need help with my 1991 chevy lumina 3.1

20

Asked by JAYYORK Jul 27, 2020 at 12:04 PM about the 1991 Chevrolet Lumina Sedan FWD

Question type: Maintenance & Repair

this car ran fine.then i got a chevy s10 pickup so the lumina sat for over a
year and a half untill a friend said she wanted to buy it.i went over to the car
and it fired right up several times.so my friend comes over and drives off with
it.about 15 miles it just dies so she has it towed to her house.i went over
there the next day and put on a coil pack and it fired right up but the battery
was weak so i brought her a battery the next day and would not start.so i
towed it back to my place and sprayed starting fluid in the intake and it would
start so i  put on a new fuel filter and would not start so i bought a fuel
pressure tester and it was like 30lbs when i just turned the key onso i figured
to low of pressure so i put on a fuel pump which was a big pain.then i
checked the fuel pressure with just turning the key on and it had 42lbs of fuel
pressure so i thought i got it.i tried to start it and it would not not start.i pulled
fuses and cvhecked them they was good so i put them back.i had just left the
fuel pressure guage hooked up.next morning i went out and it started right up
like 6 or 7 times so i took it out for a test drive and got about half a mile and it
just died and would not start so i got help and they towed me back home and
here i am on here asking for help from anyone that might be able to help so
please somebody give mme some advice.thank you

2 Answers

26,790

If you think the problem is temp related, check the coolant temp sensor. Don't replace anything unless your testing points in that direction.Test when the problem is ongoing. Have helper crank it while you check for spark at the plugs--use a gage and check proper fuel pressure--check fuel injector pulse. I realize the engine may be hot, so wear gloves. If your by yourself when it stalls, it's a pain to do testing. Any applicable trouble codes? your obd 1 so you should be able to check some codes, yourself, if the cel still works.

40,150

did you drain the fuel or add some stabilizer to it? After a year and a half, the fuel is shot.

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