CAR WON'T START INTERMITENTALY
1990 Oldsmobile 98 • 170,000 miles
I have a Olds 98 with 170,000 miles on it. The car start and runs good with no warning lights or that type of thing. But twice now when I have gone to start it the car will turn over fine but will not start. Both times this has happen at night. When I have gone out the next morning to see what is wrong with the car it starts and run fine. It has not start twice now with about three weeks in between. What should I be looking for that could be causing this problem?
Fuel injector or ignition relay failure. No fuel pressure when the problem occurs. No spark when the problem occurs.
How do I check these when the cars is running fine?
How do I check these out when the car is running fine?
You don't. You check them when the problem occurs. Use a test light to check for injectors being pulsed. Use a screwdriver in the plug wire to check for spark. A fuel pressure gauge is needed to check fuel pressure.
Can anyone guide through changing the fuel pressure regulator?
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