Question about 1991 Chevrolet Lumina

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My 92 lumina will run ok then the service engine light will come on and it will cut out and idle rough then it will straighten out ,i changed the map senser already but know i dont know what to do ,please help?

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  • 39 Answers

You Have Censer out Have it Checked.OK...

Posted on Aug 01, 2010

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2 Answers

My Chevy lumina is running rich and cutting out at cruising speed also rough idle please help


tun the fault codes
could be injector/s , seals/ HO2S , air leaks

Apr 09, 2018 | Cars & Trucks

1 Answer

I have 1995 chevy lumina with the3100 engine. It starts fine but idle is rough and has loss of power and smells like unburnt gas.


How long since overall tune-up? Any applicable trouble codes?
The basics for a rough idle, check for a leak of some kind, fuel--egr--vacuum, something of that nature. Does it run ok off-idle?

Feb 16, 2017 | 1997 Chevrolet Lumina

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I'm having rough idle and smoke all of a sudden with my golf mk4 The oil warning lights up in dash. Oil level ok. Spark plugs not burning well. Replace spark plugs, changed oil filter, changed


Smoke is not a good sign. Running rough is not a good sign. Oil light not a good sign. You could have a combination of bad things, most likely expensive. Suggest professional help. Smoke can be bad rings or holed piston. Low oil pressure can be bad bearing or oil pump.

Nov 04, 2014 | Volkswagen Golf Cars & Trucks

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Rough ideal after warm up have new map, maf coolant sensor wires, plugs and coil packs. no coolant leaks, no vacuum leaks. fuel pressure OK. runs great except for ideal cam sensor OK compression OK. Even...


Try the tps, throttle position sensor, and the idacv, idle air control valve. Even sometimes the temp sensor could be bad, telling the motor its cold when its really hot..

Oct 08, 2017 | 1999 Chevrolet Lumina

1 Answer

92 Thundebird 3.8...starts hard....really rough idle in any gear...sounds loud. Almost feels as if the engine is shaking


run fault codes and look for position sensors --MAP/MAF/VAF sensor problems and fuel /injector faults.

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1 Answer

1992 Lumina Backfire - I have a 1992 Lumina Euro, 77K miles, 3.1 V-6. Under moderate to hard acceleration the engine will backfire and you can smell gas. The spark control module, coils, wires, plugs,...


I know you mentioned the EGR valve has been replaced, but you may have a bad 'new' part. I know the car is electronic, but has anyone checked its ignition timing (timing belt been looked at, I know it only has 77k on it). Is the fuel pressure regulator OK and it vacumm supply?

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2 Answers

92 LeSabre idles fine, runs rough when trying to accelerate.


Some "check engine" wraning light there? If yes, I suggest scanned the computer to know exactly what fault code is stored there. Could be a problem with fuel injection system, air intake line or other sensor refer at this systems (oxygen sensor, IAC, MAF or MAP sensors).

Keep us updated.

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1 Answer

Idles okay, runs rough when gas applied


Either a bad MAP sensor, or TPS. What is the code for the check engine light? This will most likely tell you what it is.

May 27, 2009 | 1994 Chevrolet C1500

1 Answer

Engine runs rough after about ten minutes /idles really low


Just trowing some suggestions out there, but, I would check the idle air control valve (solenoid) or the throttle position sensor. If they check out then my last guess would be the map sensor or the vaccuum to the map sensor. Hope I was able to help. Best wishes.

Jan 16, 2009 | 1991 Plymouth Laser

2 Answers

Rough running and rough idle


here is a diagram of the map sensor #5.

2009-10-07_190044_3.gif

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