Question about 1997 Dodge Intrepid

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Engine is running at 1800 RPM at idle. It runs very smooth without any missing or vibration. It doesn't matter if the engine is cold or warmed up it still does the same 1800 for an idle speed. Then every once in awhile the idle speed returns to normal.

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You have abad idol sensor

Posted on Oct 07, 2009

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2003 Kia Sedona what is the RPM supposed to idle aton cold start an in warm weather


Idle speed depends on a number of factors; for instance it may idle faster when the air conditioner is on. Instead of a fixed idle speed, as in the old cars, the engine computer sets the speed to whatever is needed to run any accessories and maintain smooth operation, but generally not more than that. That's under normal circumstances. There are several failure modes that cause erratic idle speed; usually the engine will also run roughly.

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2007 V8 diesel sport. Missing badly at idle (650 RPM) when cold, runs smoothly if revs raised to 1000 RPM. Does not appear to miss under full power, and will generally run smoothly at idle when warm.


most likely bad injector tips
have them serviced and raise the idle to 750 rpms as the lower idle speed may not be raising the combustion pressure temperature to ignite badly sprayed fuel ( diesel has to be atomized not squirted )

Dec 01, 2016 | Cars & Trucks

1 Answer

Engine miss when cold, engine light on, new gas, air filter. fuel pump in tank. hot engine loght goes on off, when off at stop stalls out engine light off.


Diagnose Engine Misfire - Auto Diagnosis Repair Help

www.aa1car.com/library/misfire.htm
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What is causing an intermittent misfire only when engine is ...

community.cartalk.com/.../what-is-causing-an-intermittent-misfire-only-...
Jun 27, 2013 - NOTE: You MUST restart the engine for the misfire to go away. ... in an expert to do that test, but it might be worth it to prove/disprove the injectors being thecause. 0 ... The first is that the car should run fine even on cold starts.

Engine misfires when cold but runs fine after warming up few ...

https://answers.yahoo.com/question/index?qid...
Mar 24, 2009 - They also gave it to me because of this misfire problem it has. ...Engine misfires when cold but runs fine after warming up few minutes later? ... and you start next morning will also cause a misfire until it burns off the coolant.

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Dec 16, 2015 | Cars & Trucks

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Engine cranks for 8-10 seconds before it starts when engine is warm


you must RUN the SCANNER/computer for better diagnostic and fix it. YOu can have some faulty like: PCM+BCM+ignition coil, sensor, etc. see the diagram attached.
God bless you225004b9-8d42-483d-a0e8-ee6550772ecc.jpg8c2fbe48-c384-4953-ac1d-abce3867e5a4.jpg

Jul 27, 2013 | 2000 Chevrolet Astro

1 Answer

I replaced the governor diaphragm in my 2h in my hj47 1984 ute and now the engine is hunting at idle between 650 and 860 rpm, it doesn't matter if it is cold or warm. Engine doesn't hunt at hi


You may have this posted in the wrong product category. Please select another category appropriate to the problem and re-post the problem so the correct expert will see and respond to the question..
This is for car and truck problems related to factory installed systems not add on aftermarket systems.
This post can't be removed or moved, please re-post the question in the correct product category. Thanks

Oct 11, 2012 | Cars & Trucks

2 Answers

Engine vibration at idle, goes away after a little acceleration, mostly when the engine is still cold..


Check the rpm gauge while running. If the RPM needle fluxuates while idling that is caused by a defective spark plug and or a spark plug wire

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1 Answer

2000 durango 5.2 cold starts, engine stalls or rpm surging


i know this may sound stupid but if your battery is old or a little weak on this vehicle the idle air control solenoid will act speradicley hunting for were it should be and the vehicle will stall.replace battery

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1 Answer

1991 dodge colt won't idle when engine is cold.


probably oil, it may be too thick when it's cold but once it warms up it liquefies and your engine runs smoothly. you could try changing oil, I'm guessing if you have a high performance oil the chances this is the problem may be greater since high performance things are usually geared towards working well when everything is hot

Jun 29, 2008 | 1991 Plymouth Colt

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