2024 Engine runs rough when warm

Engine runs rough when warm

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WebFeb 15, 2014 · Crawling with Marlin. 1985 22RE runs rough after warm. Confused? « on: Feb 15, 2014, 06:39:49 PM ». Little back story here. Head gasket went at about 60K miles on rebuilt engine. Had no issues prior to HG. Replaced head gasket with Nippon gasket from LC, ARP head studs, cleaned head bolt holes in block, reassembled everything and … WebDec 17, 2010 · A small vacuum leak won't keep it from running, it'll just run rough warm. This is a big one. Try pinching off the vacuum hose to the power brake booster to see if that helps. The booster may have gone south. Look at the throttle body - is it loose? As it's running but warming up, spray some carb cleaner around the base to test for a big leak.

My Car Has a Rough Idle When Cold: 6 Possible Causes

WebMar 22, 2016 · Mark helpful. 33,305. lrodri911 answered 6 years ago. Check oil pressure, it probably drops after it gets warmed up. If pressure drops below 30psi, the phasers won't work because they work with oil pressure. If it's low, u have internal engine wear. Time for rebuilt engine. 4 people found this helpful. Mark helpful. WebAug 5, 2009 · Rough Idle Only When Warm/Hot. I have been having this reoccurring problem for the last thousand miles or so: I have a 93 formula with 82k miles. Car runs fine for the first 8-10 min (probably until it reaches a closed loop state) then it begins to misfire or hesitate when accelerating and run rough when idling. plymouth grammar school for girls

Q: Car runs rough until warm, and then runs fine. - YourMechanic

WebJul 1, 2024 · My wife's 2003 Focus SE 130,000 miles, has recently started having a rough idle when the engine is first started in the morning. Once the engine warms up it seems … WebMar 8, 2010 · Sounds more like contaminated fuel. Maybe got some water in the diesel. Another possibility would be a plugged air filter (runs fine on startup then needs more air once warmed up). If you were running it in a dusty environment that would clog the air filter. Mar 7, 2010 / Diesel runs rough once warm? #7. WebAug 28, 2024 · Symptoms:The engine runs really smooth when cold started. It still runs good, after the choke plate has completely opened and the engine hasn't run for more than say 5 minutes. When the upper radiator hose starts to become warm, the idle gets rougher. The situation gets worse, when the engine gets hotter e.g. during city driving. plymouth government

Runs rough when engine is warm - 2CarPros

WebMar 14, 2024 · 4. Check the PCV Valve. The next component that causes rough idle when warm/hot is the PCV Valve. Fix it by repairing the components and then, make sure … Web1987 chevy r20 rough idle. Engine runs rough and/or stalls after warm up when coming to a stop (in gear) or off a high idle (not in gear). Replaced or tried a new IAC, ECU, Distributor, O2 sensor, plugs and Transmission Torque Converter. Engine vacuum is 18in idle, Fuel pressure 68lbsidle, Ignition timing 0deg TDC timing disabled. plymouth grammar school for boysWebMay 17, 2016 · The engine runs fine when it's cold. After about 10 minutes when the engine is warmed up and I come to a complete stop the idle tends to fluctuate. It will idle smooth for a few seconds then start to jump. When this happens it's like a "erratic electrical component operation" and the lights and radio flicker but do not reset or shut off. plymouth golf range

"WebAug 25, 2011 · Options. The problem that happens alot is with crank position sensors. Once they heat up to operating temperature they stop work intermittently like a faulty oil pressure sensor does. (only when the … " - Engine runs rough when warm

Engine runs rough when warm

Bucking, Hesitation, Stalling...Only After Warm-up

WebIn this video we are discussing engines that perform poor when they are hot. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How … WebAug 1, 2024 · One of the main causes of the rough idle when cold is a faulty ECT sensor. This sensor is in charge of signaling the car’s internal computer, the electronic control unit, when the engine's coolant liquid is …

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WebI have a 99 silverado, 5.3 liter 4x4 137k miles. Runs great when engine is cold. After about 10-15 minutes of driving when engine warms up, engine bogs down, idles rough, and dies when throttle is applied. I ran the … WebFeb 19, 2024 · Fuel pump could be running great and supplying sufficient fuel a for cold running engine and then as it heats up, with the engine, expansion of the metals in the pump or module reduces the pump output. ... I had a car do that once since when the coil would warm up it would mess with the resistance and cause it to run rough. Also, as …

WebJun 18, 2024 · Rough Idle When Warm: Check the spark plugs. Before you start replacing parts, diagnose your engine. The first step is to check the spark plugs. Spark plugs are … WebOct 21, 2024 · Air filter/PCV valve. Always check the air filter and PCV valve first. A clogged air filter starves an engine of much-needed air, skewing the air/fuel mixture. On the other hand, a stuck or dirty PCV valve allows too …

WebJan 18, 2024 · Engine runs rough when warm but fine when cold at start up, engine starts to stumble and run rough after warm up, Rough idle when engine is hot, Engine … WebJul 31, 2009 · Discussion Starter · #1 · Jul 27, 2009. I have a 350 SBC in my 1970 Nova. Here's the specs on the engine: 1) 1974 block, 4 bolt mains, steel crank, stock heads/manifold. 2) I have headers and dual exhaust, not the stock exhaust manifolds. 3) Stock Rochester 4BBL. 4) Radiator and fuel filter are new. 5) Stock air cleaner.

WebJul 30, 2024 · Engines need to run rich when cold, so the ECU dumps more fuel into the engine than is actually needed until it warms up, think of it as full choke when cold. To much fuel and weak spark will cause rough running because the engine is basically being flooded. Once warm, the fuel mixture leans out and all is well. Start with spark plugs.

WebJun 18, 2024 · Rough Idle When Warm: Check the spark plugs. Before you start replacing parts, diagnose your engine. The first step is to check the spark plugs. Spark plugs are prone to problems such as being loose or missing, damaged, worn out, corroded and covered in oil or carbon build-up. If the spark plugs appear to be working correctly then … plymouth grey masonry paint sandtexWebFeb 23, 2024 · Connect a fuel pressure gauge to the fuel rail and start the engine. Check the fuel pressure and compare it to the manufacturer’s specifications. If it is too high or too low, you need to inspect the components of the fuel system such as the fuel pump, fuel filter, and fuel pressure regulator. 5. Check Compression. plymouth grandWebRuns on choke - The vehicle may run on choke when it's warm but stalls if the choke is turned off. Idles poorly - Fluctuations in idle RPM, stalling. Engine runs hot - Due to more oxygen than fuel combustion … plymouth groundworksWebJan 15, 2015 · Rough idle after engine is warm Car starts and runs fine when engine is cold. After engine is warm it idles very - Mazda 1999 626 question. Search Fixya. … plymouth grove primary school ofstedWeb1995 CHEVROLET CAMARO. 3.4L. V6. 2WD. AUTOMATIC. 109,112 MILES. Misfire after warm up. Runs great when cold. Has new engine new plugs wires injectors when starts misfiring can shut down start back up and runs fine until a few minutes then starts again. plymouth grove manchester blood donationWebAug 26, 2024 · Rough Idle only when engine is warm. Maintenance/Repairs. saturn, sl. Rre_Eer August 26, 2024, 5:30am 1. I have a 1999 Saturn SL1. Right after a cold start … plymouth grocery storesWebFeb 25, 2024 · Joined Sep 9, 2014. 10 Posts. Discussion Starter · #8 · Oct 10, 2014. I tried putting some Heat in the gas tank along with some Lucas injector cleaner, but If that was the case, I would think it would run bad all the time. Even when its warmed up, it will idle ok for 10-30 seconds fine , and then it will sputter. plymouth grist mill tour