Question about 1991 Chevrolet Lumina

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1991chevrolet lumina will not start when hot has

1991 chevrolet lumina will not start when hot has a 6 cy 3.1 runs great when cold if you turn it off after it gets hot it will not crank until its cold we have replaced Coils plugs & wires

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  • Chevrolet Master
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Could be bad coils,that are over heating.

Posted on Jun 18, 2009

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Posted on Jan 02, 2017

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1991 chevy lumina wont start after sitting when you drive it


Just because you replaced the fuel pressure regulator does not mean it is working correctly; which is the most common cause of your problem. Hook up a fuel pressure guage and watch what happens when you are starting it cold - it should go up to about 47 PSI and once started it should read between 40-47 PSI, then when you turn the engine off: Does the pressure drop? There is a check valve built into the fuel pump also; that can be faulty and if the pressure is generally reading low and the check valve is bad- this can also create your problem. We have run into this before also; When the fuel pump is cold the internal pump seals are sealing great, but after a period of running time the pump seals lose sealing power and if you try to start it again it will be hard to start. The biggest thing with this situation is getting the fuel pressure readings at the following points of time:: Start-up, running cold, running at normal operating temp, engine off, engine re-start.
Pete/ Bambenek Auto LLC

Apr 15, 2014 | 1991 Chevrolet Lumina

1 Answer

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

91 Lumina won't stay running; see lots of same question for same car but no problem solvers....Please help.


On electronic fuel injection pumping an pumping an pumping the gas pedal does nothing without the engine running ! Pushing the gas pedal to the floor will cause the PCM - engine computer to go into clear flood mode .

You have some very interesting ideas here , but not really how it works or is !

The vehicle will go into closed loop fuel control when the engine coolant temp reaches a definded temp an the O2 sensor get hot.

She would run for a couple minutes and die which is open loop when running, closed loop is when the sensors kick and it would die. Pulled spark plugs, they were black meaning no spark. Can only be 2

Black spark plugs indecate a rich condition , over fueled , wet spark plugs indecate no spark .

Mar 07, 2017 | 1991 Chevrolet Lumina

1 Answer

On my 1991 3.1 chev lumina when it get warm you step on the gas and it die's what the heck? can anyone help


some common problem in the summer when car get hot over and over the ignition (coil) is affected it will make your car cold run fine but cuts off when hot if occurred look for the coil
if you let car cools down for an hour then it started and work fine until cut off when hot again sure it is coil .

Jun 08, 2011 | 1991 Chevrolet Lumina

1 Answer

Bought 2001 Lumina.. head gasket was leaking. fixed that n noticed cooling fan motors were not running. Replace all 3 relays n ect n fans started working. Drove it two days n it started runnin hot pulled...


I had a similar problem. Is your temperature gauge pegged to the right as very hot? Or reads always cold, even when hot. If it is a 3100 motor their is a coolant temperature gauge sending unit under the air breather intake that is right next to where you replace the thermostat.

Get a haynes repair manual at a parts dealer, Amazon, or your public library.
On the Chevrolet Lumina, Monte Carlo, & Impala FWD 1995 to 2005 it's under section 3-8 on page 3-6. It goes into great detail, and it's too complicated to explain here. If your sensor is bad, but the wires and fuses are good then the fans won't run.

Your second fan only runs when the air compressor is turning, If your ac compressor is not running then the sensor will not have the passenger fan run.
You have to see if the fan motors are good and then the wiring is good, and no fuses blown. You might blow fuses so have extra blue ones if I remember right. Recheck fuses after testing.

Feb 24, 2011 | 2001 Chevrolet Lumina

1 Answer

I need the firing order for a 1991 chevy lumina 3.1 euro


1991 Chevrolet Lumina 3.1 liter V-6 VIN "T"

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Hope this help (remember rated this post).

May 14, 2010 | 1991 Chevrolet Lumina

1 Answer

1991Chevy Lumina does not start


I didnt see it in your list, so I would suggest the O2 sensor, usally found on the exhuast pipe near the engine or on the back of the engine

Sep 21, 2009 | 1993 Chevrolet Lumina

1 Answer

2000 chevy lumina. Is fan supposed to come on when car started


no fan comes on when engine cold start up .but it will come on when you turn on air conditioning or defrost on .if engine idling a while when temp get 190 degree the fan will kick on.if over heating you got air in system .wait until cools check coolant add more .crank engine let it idle few. minutes when start warming up turn off engine wait a while before removing radiator cap so you wont get scald.add more coolant .crank it again starting warming up turn off engine wait a while .add coolant .keep doing this procedure until your coolant stop dropping off .if you do this more than 6 times you got a leak some where.check crank level for signs.if oil level higher than normal.if everything looking good.when engine cool make sure add coolant to over flow jug cold level mark.

Apr 28, 2009 | 1999 Chevrolet Lumina

1 Answer

2000 Chevrolet Lumina


Your thermostat may have been installed upside down. Very common mistake. Was your vehicle running before the maintenance was done?

Mar 15, 2009 | 2000 Chevrolet Lumina

3 Answers

My 1992 lumina euro 3.1 chugs alot and stalls out to. Most of my friends say its the fuel system and others say it needs a tune up. I need help please car runs great dont want to get rid of it


hi f1
im dave
if thats all it does i wouldnt get rid of it .
does it stall out at idle or while driving?
while cold or hot?
there are many possibilities.
but a common problem on these 3.1s is the IAT motor or idle control motor attaching to the throttle body.
post me back

Jul 17, 2008 | 1991 Chevrolet Lumina

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