Question about 1991 Chevrolet Lumina
So, driving home from a friends house, going down a road where the
speed limit is 50, me, graciously approaching 50, look down at my
speedometer and my car won't accelerate. I instantly expect that it
died because that's just my luck. It died, so I pulled over into the
parking lot of some auto repair place ironically enough. I pull over,
pop the hood, and look at everything.
Looks fine. Try to start it? Starts up. Alrighty... pull out of the parking lot, drive like 100 yards then it dies again. I pull into the next parking lot and it starts again. Then I drive it 100 yards again. I repeated this about 4 times until I had a friend pick me up about a mile from my house.
I don't get it.
I have no clue.
Ok this was all after the car was all warmed up how far can you go from a cold start until it "dies:?
I want to suspect a crank sensor or ignition module just because of the symptoms if nothing happens until the egine gets hot ,typical of a failing crank sensor andignition module, always replace them togother.
But there is one more culprit, the catalytic Converter, see they break up inside and over time the catalyist bounces around and becomes a ball, on acceleration the presssure of the exhaust pushes the "ball' of caytlist into the exhaust pipe opening restricting it until it shuts off the car. You pull over the pressure goes away the "ball" falls back into the cat, you start again and it starts all over again. I would hve the cat tested and you can do a test yourself hit the cat on the bottom with a hammer and if you hear some rattling inside when you hit it yhe catalist is broken and is likely your problem.
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the above website is my own experiences in my automotive diagnostic shop for 14 years check out the FAQ and BLOG I believe your symptoms are listed there
Posted on Aug 11, 2008
I would check the fuel pressure regulator. It might be dumping your pressure after you start it. Check your running fuel pressure at the fuel rail and watch it for a drop.
Posted on Aug 11, 2008
SOURCE: Lumina Starting/Dying Problem
this could be one of the two things that I am thinking it is...it is either the throttle position sensor or it si the fuel pump getting too hot and cooling off slightly enough to restart the engine. Both are related but separate systems. The throttle position sensor is on the side of the throttle body and it merely tells the computer where the throttle plate is in the throttle body to create the proper fuel mixture for the injectors. The fule pump ios loccated insid eof the fuel tank it either runs or it doesnt usually. If it gets hot it is about to go completely out all together.
Posted on Dec 07, 2008
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Posted on Jan 02, 2017
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