Rough idle when warm. Cold engine starts with no problems.

Rough idle when warm It only does this occasionally, and only noticed this when engine is warm. Last night the truck just died and the cam postion sensor was bad. Oct 1, 2022 · i must admit, i'm a little perplexed by this. Aug 26, 2018 · Once warmed up, the car idles really rough in gear (Drive), RPM really starts to fluctuate between 500 and 700, the car kinda shakes, and the engine is likely to stall if I leave it in gear (and with car not moving) for much longer. After being on the water for a while it becomes hard to start after it is turned off. Toyota scanned and showed random misfires on 1,3 and 4. Jun 3, 2016 · 1. 3, 4L60E, Z71, 4x4, has 79,000 miles. The culprit can come from a bad ignition system, malfunctioning infection, a clogged air filter, or even when your car has a low compression ratio. Jul 2, 2005 · rough idle when hot Jump to Latest 4. unless it's trying to idle cold A cold start results in a quick fire up, but then it wants to putter down to below a low idle (near 500 rpms, droooping lower) and obviously doesn't like running that low of idle, It becomes a problem if i cold start it in town after school and pull up to a stop light or sign Aug 11, 2016 · Air temp sensor resistance is fine for ambient temp but did not warm with a hair dryer or put in the refrigerator to check for any change in resistance. Dec 4, 2016 at 7:38 AM #1 #1. The weird thing is that it's not regular. When cold, at light throttle input, a stumble/stutter around 1,700 rpm that almost felt like a transmission slip. Mar 1, 2015 · The reasoning behind the rough idle after warm up (again, IF it's caused by the O2 sensors) is that the fuel system works in an open loop until the engine warms up -- I believe the exhaust temperatures have to be something like 600 *F before the O2 sensors kick in, and then they measure the oxygen content before the catalytic converter (i. Jul 7, 2010 · Truck runs great when cold but once it warms up it gets a rough idle. Feels like an intermittent miss while driving and gets worse at a stop to the point of stalling. It's worse on hot restarts. 0 Powerstroke about a month ago, it ran good for a week then one morning I pulled into work and parked and let it idle it started idling really rough, normally my truck idles at a little under 1k rpm but when this issue starts the trucks RPM will jump slightly up then dive down to 500 RPM, all the while it seems like the engine is trying to bring the idle RPM Aug 11, 2016 · Air temp sensor resistance is fine for ambient temp but did not warm with a hair dryer or put in the refrigerator to check for any change in resistance. after a longish drive, when I pull up at a traffic light the car seems to idle a bit rough, not too rough but noticeable enough for me to realise it's maintaining idle RPMs. warm off idle is there again as well but only in Oct 9, 2015 · Runs rough as it heats up. Does not have long crank times either. Feb 22, 2022 · Also might need to do the "idle re-learn" which is basically disconnect the battery for a while (about 20 minutes) to reset the computer, then start the engine from cold and let it warm up for a few minutes at idle, then turn on the A/C and let it continue to idle for a while. And also a noticable loss in power once up to temperature, really runs terrible once up to temp. 4L with 85k on it. They suggested I bought some bad gas that may have water in it. Understanding the common causes of rough idle can help you diagnose and address the problem, ensuring your Jan 22, 2013 · It was doing it during the warm idle. Jul 28, 2014 · Even in warm, but not hot, weather, if I let the truck sit and idle in park for 10-15 minutes, it seams to get "hot" and will start the rough idle. Shaking noticeably. Sep 5, 2015 · Over the last 4 months, have developed constant rough idle when hot outside and when oil was fully heated up. Starts and idles fine when cold. Stock engine/drivetrain Just replaced plugs about 2k miles ago. Re: HELP!!!: rough idle when cold, fine when warm, 22RE « Reply #12 on: Sep 11, 2014, 09:33:34 pm » You can replace it with an electric IAC when running MS, but without it you would need to hold the gas while the engine warmed up. Basically the o2 sensors are ignored until the engine warms up. Later in the day, driving for lunch or back home in traffic the problem starts. 12. Absolutely amazing car. Upon warm restart, engine idle would drop below 500 rpm and almost stall, 3. 8 runs great, but when it gets to operating temperature it will idle rough run rich. Ignoring this issue can lead to serious engine problems such as: Increased exhaust emissions and poor fuel economy Dec 5, 2014 · BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > UPDATE 2/3/15 - It's Back - My Rough Idle at Warm Start Google Search Apr 24, 2017 · So I've recently been having problems with a rough idle when the engine is warmed up. Stuttering/low idle/near stall/stall when stopped in gear 2. 4L 3V Triton V8 engine will have a rough idle when warm. Timing has been rechecked a dozen times. My last set of coils held only ~6k miles Appreciate 0 Nov 13, 2012 · got the new IAC valve installed, and i still have the rough idle. In this article, I will go through all the possible rough idle causes together with an explanation of how you can test them. 5K views 8 replies 3 participants last post by c5d Jul 6, 2005 Aug 11, 2016 · Air temp sensor resistance is fine for ambient temp but did not warm with a hair dryer or put in the refrigerator to check for any change in resistance. 4L engine. Jun 15, 2020 · Having an issue with idle on the ‘86 951. Mar 16, 2024 · Hi all, I just got a 2004 F350 6. I've noticed that sometimes, once the car is warm, the idle is a bit rough. It seems especially bad when shifting from drive into reverse - it almost hesitates before moving. Again, its only missing while warm. Regards, May 29, 2016 · 1994. If I ease on the shifter and wait then slowly hit throttle it doesn’t surge or buck. Called dealer, they gave me the wrong part no. Apr 27, 2012 · No rough idle, did this again in park, rough idle. I added a can of sea foam and filled w quality gas. I've noticed when I restart the car while warm it tends to be a little rough and it did die once. Jul 29, 2022 · Car idles fine until it starts to warm up and then the idle becomes very rough almost to the point of stalling. Discussion in '1st Gen. A few weeks ago I used the truck to pull our RV, and after arriving at our destination the truck was idling really rough, the worst it’s been. I've logged blocks 91 and 92. When idleing it turns on and off at about a 3 second cycle. Feb 14, 2013 · Hi, Recently I have been experiencing some rough and low idles with my 1MZ-FE 05' Camry. The motor seems to sputter and run rough. Thinking maybe that's what it is. Picked up a 2019 GT 6 speed last Friday. That said, there are many factors that can make it worse/better. From cold the engine idles as usual, but as it warms up the idle becomes increasingly unsteady, until it gets to the point of roughness in the video. Jan 23, 2024 · The maf is a tad high maybe, 3-4 g/s is normal on hot idle, so id say its close enough. Car has new: Opti(last summer) Dec 27, 2016 · General F150 Discussion - 2007 5. If the coolant leaks into the cylinders, it can cause a misfire and result in shaking or vibrating of the engine. The truck hitches slightly when taking off from a stop light when left to coast ahead on its own without touching the fuel pedal. if i do push the gas down it hesitates then bogs down and is slow to accelerate. Sep 11, 2019 · Rough idle when warm - HELP! Jump to Latest 1. Shakes the whole truck! Would always clear up once driving (increasing RPMs). Feb 19, 2024 · The idle should briefly increase in RPM and run better. Makes it idle funny but is totally normal. e Aug 11, 2016 · Cold engine starts, idles and drives easily. The causes of a rough idle range from minor issues to more significant mechanical problems. About 2 years ago, after a major service (approx 110K) I noticed that the idle was a little odd and seemed to hunt slightly on occasions. When the car is in closed loop I'm not getting misfires nor shaky idle under the same conditions as described. View Profile View Forum Posts Jan 3, 2025 · Internal coolant leaks can lead to rough idle when the engine is cold. It was warmer today nearly hit 60 F. The issue goes away if: You put in park and rev the engine You give it gas and get going. Stomp test workers before starting the car but after I shut it off when the idle becomes rough, the stomp test no longer works. It will shut down the rear cylinder at idle to help keep the engine cool. Aug 8, 2021 · Rough idle engine shaking after car is warm Hey all this is my first post here I am at a lost of what is going on with my 2014 f32 435i. When I start the boat when it is cold (on the muffs or on the water) it starts right up and idles ok until it is warm then the idle settles down and it purrs along nicely. It does the same thing if I am cruising down the road, so it revs like snot and then dies out, revs like snot and then dies out etc. OBD2 reader said misfire, not good. Tacomas (1995-2004)' started by cantaffordamechanic92, Dec 4, 2016. When I put it in P ou N (sometimes in D but never in R), the idle gradually rises to 1500rpm then goes down to 500rpm and so on. I ran my car for another week and the light Sep 27, 2021 · When the engine is cold and I start up the car it idles fine but after it gets warm and I turn off the engine then start it up again after some time the rpm suddenly drop to 500/600 (it does the same while I'm driving and put it in neutral). 4. It was not drivable so I had it towed home. 0 Liter mercruiser and an alpha one outdrive. I've got a good lift pump on and 100hp injectors. See full list on cartreatments. I figured this was because pulling the trailer got the engine hotter than normal so the oil was even thinner exasperating my warm engine rough idle issue. It only does it once in a while. Thanks, May 8, 2018 · Hello, I'm experiencing Rough idle when WARM and 2 fault codes: p0171 and p0174. Has anyone experience this problem on N53 engine? I can't find any videos or chat about N53. 1 10 of 12 Go to page. Apr 13, 2005 · This seemed to help, however now the car seems to run beautifully when cold, however starts stuttering and running rough when warm. 4L Intermitent Rough Idle When Warm - I have a 05 fx4 5. 4L 3v) I bought back in July of 2016. Jul 27, 2015 · The rough running at idle when warm is probably the EITMS kicking in. Here is a test that will help with this: Nov 9, 2024 · Hi everyone, my E81 with N43B16 with 127. Lpop not checked but factory gauge shows normal icp pressure WOT reaches 2800+/- at 42% duty cycle at idle when cold icp 512-520psi at 12. 3 volts on alt. Take it for a short ride, turn it off, and when I restart it 30 minutes later the idle is very low and rough. My guess is that it is time to replace the ICV. There are several reasons why your 5. Recently, I brought the car in to have it inspected, and the problem seemed to start happening during the inspection process at one point Whether your car idles rough during a cold start or once it warms up, it’s a sign that an essential car component needs attention. Also, letting it sit for 10 minutes or more when engine is warm, it's hard starting. Mar 6, 2020 · Rough Idle when warm got a 05 2wd just put all new injectors and fpr in it and it is rough in park and neutral only when it gets up to temp, in drive its perfect, on the road perfect, it's drivin me nuts. Jun 8, 2018 · Rough idle is characterized by the engine shaking or vibrating, fluctuating RPMs, or unusual noises when the car is stationary or in neutral. While I was driving it suddenly started to idle VERY roughly and would not stay running at less than ~ 1000 RPM. Mar 18, 2010 · idles fine cold, runs smooth, once warm engine stumbles and has rough idle. Go. Nov 12, 2018 · Hello gang, My 2016 LR4 runs very smooth at initial start up and when driving, but after coming off the highway and the vehicle is warmed up, the idle seems rough. Unfortunately, I bought from an auction and the 30 day warranty expired before I realized the May 22, 2004 · Rough idle when warm. My 2000 all of a sudden idles rough when cold, smoothes out when it warms up. 12K on the odometer and has been well taken care of. 4(130K miles) that will start and run fine. 1-14. Cold starts may be slightly better than warm. I cant understand why it only happens when the car is warm and i let it sit 10 minutes or so before i start it back up. Jul 13, 2010 · Rough Idle When Warm Jump to Latest 10K views 37 replies 6 participants last post by astroturf Sep 30, 2010 Mar 9, 2023 · By understanding the causes of a car engine that has a rough idle, you can resolve the issue easily. 8L 78K miles Car has rough idle after warm up, idles perfectly at about 800RPM before warm up. 0 192 with automatic transmission. When it gets warmer or if the outside t is high, rough idle starts. Apr 15, 2012 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Jun 21, 2012 · Experiencing Rough Idle when Warm? pdavis ». Mar 31, 2008 · My car has a rough idle, but only when the engine is warm. After about 10 seconds it clears up and idles fine. Idle is low based on what I always saw, about 800 rpm seem to be normal. This seems to only happen when the truck is warmed up and when slowing to, or at a stop in idle. Changed just about everything electronics. this only happens at stoplights or when parked after a drive, but it runs great during the drive. THere are a ton of vacuum hoses under the plenum, they are probably dry rotted and leaking, causing multiple vacuum leaks. I'll replace them soon as well. It started gently and got progressively worse. dukcaln · Registered. Truck works but still rough idle when warm. Let’s begin with a quick look at the reasons. I've had absolutely 0 issues with it but I do have a question. Boggled. The truck has a 5. It’s important to check for internal coolant leaks as part of troubleshooting rough idle issues, especially in colder temperatures below 60 degrees Fahrenheit. Post Reply. When driving at very low throttle, as in pulling into my garage, it almost sounds like it is going to die. The mild rough idle once the car is warm improved drastically. I could smell May 2, 2021 · I have idle issue for several months now with my MINI Cooper S F56 2. If i turn it off and start it right back up there is no problem at all, but if it sits for 10 minutes or so it gets a rough idle when i start it back up. Mar 2, 2019 · rough idle when warm Jump to Latest 5. Cheers! Todd Jun 19, 2012 · I have a 99 2500 5spd with the fass 150 and a scheid lightning VP pump. when going down road, car runs ok as long as i dont mash the gas or need to accelerate fast. Sometimes it idles normal but more often acts as I’m describing. UPDATE 11/16/10: Plug/Coil boots replaced earlier today. At start up, and while the engine is cold, it's fine. It acts as if is flooded. 000 kms started having a rough idle a few months ago. com, gmfullsize. 9K views 3 replies 3 participants last post by Big Dave Sep 12, 2019 Jul 23, 2010 · a rough idle when warm is pretty normal for an s38. By now I had 230,000 miles on it and there was dozens of things that might be wrong with it. I purchased an '08 F150 about 6 months ago, and have a problem that two mechanics haven't been able to solve. Wtf! Nov 10, 2017 · I recently had a Bank 1 Sensor 1 oxygen sensor go bad, the front sensor on the driver's side of the engine, and that caused a rough idle when warm and a stumble when tried to accelerate. Jul 29, 2014 · In the last few months it has developed an issue with rough idle. After sitting for 90 minutes while waiting for the tow truck I started it and it ran fine for about 20 seconds and then idled roughly again. May 21, 2012 · Here’s the deal: it starts easily and runs normal when cold, but once warm it tends to idle rough. It cranks 2-3 seconds max. Upon close inspection, the injector bucket seals are noted to be cracked thus causing a rough idle when warm. After the car is warmed up at normal driving temp, whenever I stop at a red light, the engine gives little jumps, each lasting less than a second. The truck is a 2005 sierra 5. 5-14 % duty cycle at idle when warm icp 408-476 psi at 9. Basically straight pipe past 02 sensor, no cat just muffler. Please know I have spent nearly 2 months researching this issue on Silveradosierra. But on the hard hot start, idle is at about 600 rpm. 3 manuel 4x4 with 165000 kms on the 8 hour ride home i noticed it ran good at cruzing speed but when i slow down for stop lights it has a very rough idle and shakes like crazy and somtimes catches itself and smooths when my car is after 30 minutes drive on highway (thus hot) and then in idle (and in closed loop) I'm having rough (shaky) idle and when I blip throttle I'm getting misfires (mostly on cylinder 2). Jul 28, 2022 · 1987 - 1996 F150 & Larger F-Series Trucks - Rough idle when warm - When cold 5. It is also slightly noticeable Jan 8, 2014 · P0171 with rough idle when WARM Jump to Latest 6. May 11, 2017 · Rough Idle / Hunting Idle Hi All, 3000 miles in and the car just makes me happier and happier. Put the truck in reverse and pushed throttle pedal it started loping/surging real bad, once shifted to park it stops. CELs immediately turned off. When I start the truck cold, it will idle fine, can drive it, start, stop, and it will operate smoothly. Problem was with the shift selector switch on the transmission, prone to corrosion. Once the temperature gauge gets close to normal operating temperature, halfway up, the idle is rough. Jan 24, 2017 · Around this time last year, my 4runner began to rough idle. 8K views 17 replies 6 participants last post by ZeGerman Dec 16, 2012 Jan 23, 2019 · 1. Also, the parts changed on the car are: Ignition coil, Throttle position sensor and Idle air control valve. Motor and trans mounts are new. I replaced ALL the motor mounts and brackets last weekend, but the engine still bounces around. Starts fine cold but if I drive for 10+ minutes and then turn off to go in a store or something, when I start back up it idles rough. Jul 15, 2019 · Small update on the truck. This happens continuously, when at idle, when driving normally as well. Jun 24, 2010 #1 Jun 24, 2010 #1 Dec 4, 2016 · Rough idle once engine is warm. Once you find the spot that causes the idle to change, you just need to replace the part with the leak. Dec 27, 2001 · It then idles really rough, almost to the point where it is going to stall. 5 - 1997 7. 0 Powerstroke about a month ago, it ran good for a week then one morning I pulled into work and parked and let it idle it started idling really rough, normally my truck idles at a little under 1k rpm but when this issue starts the trucks RPM will jump slightly up then dive down to 500 RPM, all the while it seems like the engine is trying to bring the idle RPM Oct 2, 2014 · Fuel pressure under load at WOT never drops below 60psi, 70 at idle 14. 1K views 10 replies 6 participants last post by ahull Sep 10, 2024 Dec 21, 2020 · Hi guys. If you could be of any assistance that would be awesome. Jan 28, 2024 · It still idles silky smooth when cold, steadily develops a rough idle and slight misfire when warm. rinse repeat). I don't have any check engine light. Changed the cam position sensor. Despite this, the truck starts warm or cold always. And, on a hard hot start, the car feels very weak. Mine too idles rough only when warm. sometimes shifting into neutral stops the roughness, sometimes it doesn't. 9K views 3 replies 2 participants last post by bertymini Mar 7, 2019 Apr 2, 2024 · Got the same rough idle after cold start and i was unable to start driving without rpm drops or enginge off for the first 60 seconds. com Aug 7, 2020 · Discover the causes and potential solutions for a rough idle when warm in your vehicle, with a vacuum leak being the #1 cause When your car runs good but idle rough or stalls when it gets warmed up, a lean condition (too much air, not enough fuel) is NOT always the case. To explain exactly what was happening, intermittantly when the motor had a load on it the idle would get rough and it sounded like a cylinder was shutting down for short periods. This leads me to believe it's an issue in the HPOP system. I went ahead and replaced all 4 oxygen sensors so they would be the same age. 8-12. The car has a stumble and will "clear up" once giving the car more throttle. The car runs idles perfectly fine and drops to the correct idle when cold, however if the engine has been running at normal temperature and started again soon after the idle drops extremely low until the throttle is opened. It is a lumpy type of idle (as opposed to a high/low idle, where it is bouncing up and down), almost as if it is "missing". Could this be a connector or ECU issue with the TPS? Things replaced-o2 sensor--- Bosch 15718 Jul 14, 2015 · 2004 - 2008 Ford F150 - Very rough idle after warm-up - I have a 2004 4x4 with a 5. When cold and in 5th gear but low speed of around 40 mph, the car actually bucked. This only happens when the engine is warm. Jan 26, 2019 · 2013 Chevy Cruze 1. After a week of rough idling, the check engine light went off. Aug 27, 2021 · I have a similar issue with the new engine that I had with old and that's when it's warmed up it idles rough and shakes. (obviously a 20 min log file is too large to post) E60-21 - Logged idle after trip to lunch E60-22 - Idle after trip back from lunch E60-23 - Drive home from work same deal, cut out the middle, only left in startup idle and warm idle at end of trip. Show Printable Version; 04-15-2012, 11:57 AM #1. Jump to Latest 14K views 13 replies 5 participants last post by 04ccdmax Aug 16, 2014 Mar 10, 2010 · Bunch of rough idle threads but none this specifc. It's still there a tiny bit, but we found that my plug boots have some cracks in them. Idle is not smooth. Jun 10, 2010 · I'm having the same issue on my W107 450SL. The lean air-fuel mixture will cause problems disregarding whether the engine is hot or cold. Jul 7, 2014 · rough idle when warm. So once it is warm if it is running rough then the o2 sensor could be giving faulty information. Jump to Latest 181 - 200 of 229 Posts. It has never died. Next day, same rough idle at start up, then smoothes out 10 Apr 15, 2012 · Thread: Rough idle only when car is fully warmed up? Thread Tools. Idle improved a bit more once warm. The last possible cause since this seems to happen after it is warm is a possible o2 sensor issue. Go through the different possible causes starting from the simplest to the most complex. gzGo2e07S1o So far I've changed injectors and coils Mar 13, 2012 · After cleaning the IACV the idle is a little higher and doesn't miss as much while its idling while warm. It is more noticable in drive than in neutral. Dec 9, 2016 · Before I get flamed for posting yet another rough idle post. Nov 3, 2011 · C4 General Discussion - Rough Idle when engine is hot, SOLVED - So I was working on the vette again cause the rough idle when hot came back. This method is more dangerous as the engine is running, and the cleaner is flammable. Joined Feb 11, 2010 · 2005 Duramax Rough Idle Jul 19, 2023 · If you still experience rough idling when the engine is warm after replenishing lost oil, then your problem could be a failing VVT solenoid or oil pump. A fueltrim around 8% is like the lowest point a vacleak would be visible only by ftrims, meaning its small enough to be handled by DME rather ok. A few days ago it started acting up by surging/rough idling but only after starting up again after I shut it off when the engine is warm. 0 Powerstroke about a month ago, it ran good for a week then one morning I pulled into work and parked and let it idle it started idling really rough, normally my truck idles at a little under 1k rpm but when this issue starts the trucks RPM will jump slightly up then dive down to 500 RPM, all the while it seems like the engine is trying to bring the idle RPM . As you know that is expensive, so if anyone has seen this rough idle only when warm condition, please let me know what resolved it for you. Plugged in; surging, running rough and sounds like I'm about to throw a rod, ICP pressure varying between low 500's and low 700's, idle RPM varying between mid 400's to mid 800's. 4L Rough Idle When Warm - Hi there, Been having this issue with a 2007 F-150 (5. Jun 24, 2024 · Hey yall, I recently bought a Manual 05 GT with 150k miles and after a few months of ownership the car runs perfect when cold or driven for less than 10 minutes but I'm having a rough idle when the car gets warm. 3L Power Stroke Diesel - Rough idle when warm!! Help!! - So i picked up this 95 f250 7. You need to keep it away from hot parts of the engine and exhaust to prevent a fire. Aug 18, 2023 · What Causes The Rough Idle When Warm: Find The Culprit? There are several possible reasons that can cause the idle rough of the car. Sep 15, 2010 · The rough idle on cold startup has all but disappeared. Thread starter RED98; Start date Jun 24, 2010; RED98 Member. Jan 7, 2013 · ok. It bounces around between 600-900 rpm sometimes when at a stoplight. e36ALPINE. I bought the truck from a diesel mechanic and he said that when he swapped back to stock VP the miss went away. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. 2000 Cherokee Classic 4x4 127k miles. I have 170 000 km. 5 % duty cycle Mar 20, 2005 · Rough Idle/misfire When Warm 325i Jump to Latest 13K views 12 replies 5 participants last post by 3serbmdubya Mar 25, 2005 Dec 1, 2012 · E36 rough idle until warm Jump to Latest 5. It has started ideling rough when i come to a stop light or slow down to 10 mph or less. Dec 27, 2011 · Truck runs and idles smoothly when cold but as soon as it warms up, 5 miles down the road it is like the fuel is being turned on and off. Here are ten of the most common causes of a rough engine idle. (F7TP***), bought one, went to put it on, well wont fit and wrong connector. Missing at idle and when accelerating. It never has an issue starting, hot or cold. Recently put on new motorcraft plugs (originals had 74K), and the truck idle got a little worse now. Does not smoke, ever. Dec 10, 2020 · The car will idle warm at 760 and be smooth, but I can feel the idle speed dip at times and it begins to run roughfrom there, it will occasionally misfire like in the video below. I am starting to think this has to be electrical but I just cant narrow down what to check next. Nov 19, 2004 · I have a 1987 Sylvan 18'8" with a 3. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Nov 8, 2013 · Started it up and ran fine until warm, then developed a very noticable miss at idle. Mar 12, 2012 · 2004 - 2008 F150 - Rough idle when engine is warm - First, I'm not a mechanic. Sounds like a faint miss and often wants to die at a stop sign. What's new in the new engine Temperature sensors Thermostat Knock Sep 4, 2016 · The car drives perfectly in the morning on my way to work (9 min drive, in hot Texas weather). my 2013 juke sv has a rough idle (rpm sits at about 600, then dips way down, engine shakes a little, and then shoots up to ~800, before settling back down at 600. If I press the gas and then let up, it will usually stop the problem except in the hottest weather. Oct 5, 2021 · Unplugged it again this morning and its still the same: Good unplugged; idle steady-ish 675 - 700, ICP 725psi. Fuel pressure is solid. Its just after it gets good and warm it idles very very rough, and the knocking sound is also very loud. It’s a very odd issue when the car starts in the morning it idles ok with an occasional engine shake for a second or two. May 1, 2020 · Idle seemed ok after warm on this day but I’ve noticed it’s slowly started to come back. One thing that has changed is the miss is random at idle and also under 2500 rpm. Checked the Sep 17, 2011 · 2004 - 2008 F150 - 05 5. In park that rough idle is not as bad but in reverse or drive the engine tries to tear Apr 25, 2016 · 2000 Duratec with 210 on it Run's great !. Nov 30, 2016 · My ’91 got its first ride on a flatbed for what I thought was a CTS problem. May 22, 2004 0 1 6 People's Republic of Oregon. No other Feb 10, 2010 · Rough Idle when warm. Aug 25, 2020 · Rough Idle - Warm Start 2000 Limited Runner. com, and a few others to no avail. A couple of times it has even stalled out. I went ahead and replaced the spark plugs and all coilpacks with Bosch ones but that didn't make much difference. Conclusion. Cold engine starts with no problems. nxx lvxv yqjs bnkv tskwvp fdi gjspz ahvy xbypdcn wcakai