Question about 1993 Chevrolet Lumina

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I have a 1993 chevy lumina 4dr 3.1 it had a unsteady idle I replace the fuel pressure control an new plugs,wires,an still idles rough after u let off the accerator?

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  • Chevrolet Master
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Try not tobecome a parts replacer-buy a haynes manual instead--I believe the throttle body is filthy or an idle air valve is-there r solvents to clean this

Posted on Sep 13, 2010

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Posted on Jan 02, 2017

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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

1 Answer

I have a 98 chevy lumina with 61k miles.what can I do about these codes, P0300. P1381


P0300 is a random or multiple cylinder misfire, and P1381 is a misfire EBCM (Electronic Brake Control Module) or PCM (Powertrain Control Module) Since you mentioned replacing fuel components, it could be as simple as a fuel injector being clogged up causing a cylinder misfire. Have you checked your fuel injectors?

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1993 Chevrolet Lumina APV hesitates and dies when in gear


When it stops running and will not start back up, you'll need to figure out if you are lacking spark or fuel pressure to proceed with testing.

May 12, 2013 | 1993 Chevrolet Lumina APV

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1993 Ford F350 7.3 lacks power and idles rough sometimes


It sounds like you have fuel pressure problems and possible ignition wiring issues as well. Have the fuel pressure checked when this problem occurs is my best advice. If the spark plug wires are orig, then replace them and route just like the old one, replace any broken loom holders.

Sep 04, 2012 | 1993 Ford F350

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My 1998 chevy lumina ls is runnig rough at idle


Rough idle could be the throttle position sensor, or the idle air control valve.abs could be you need brakes or just the abs sensor is bad

Oct 10, 2017 | 1998 Chevrolet Lumina

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Changed oxygen censor, new plug and wires, new coils, cleaned the egr valve nothing worked still kinda revs up and slows down and stalls occasional haven't tried the sledge hammer yet


Fuel pressure regulator can do this. Also bad fuel pump could. Is it getting good pressure out tailpipe? Maybe plugged catylitic converter?

Aug 25, 2011 | 1990 Chevrolet Lumina

1 Answer

1990 chevy lumina, idling problem...stalling...too rich


Stalling and running rich. I have seen this before on a Camero. The fuel pump was weak. Not making enough pressure. This caused the fuel injector to DRIP gas instead of SPRAY gas. This caused the fuel to flow into the cylinder in a liquid form, and it did not burn well. We put in a new fuel pump and the car came to life. Good luck.

Dec 27, 2017 | 1990 Chevrolet Lumina

1 Answer

Car stalls


the problem sounds like it is not getting enough of fuel. check or replace fuel filter to see if this helps, also make sure fuel pump is pumping the fuel at the right pressure. have pressure checked if need be. if not enough fuel a vehicle will run at idle, but stall under pressure.

Feb 03, 2009 | 1993 Chevrolet Lumina

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