Engine stalling

Asked by May 25, 2018 at 07:00 PM about the 1991 Buick Park Avenue

Question type: Maintenance & Repair

My car cranks and runs really rough for
about 5 minutes or so and dies. I've replaced
the fuel pump, filter and injectors, the coil
pack and ICM, crankshaft position sensor,
purge valve solenoid, O2 sensor, idle air
control, mass air flow sensor and throttle
position sensor. I've done a tune up and oil
change. But for some reason it just keeps
dieing on me. I drove it about a month ago
and it cut off while I was driving. Please,
please please someone help me. I'm at
wicks end. I don't want to sell my car
because it's very reliable.

3 Answers


Sounds like you have a clogged catalyst converter or muffler.

1 people found this helpful.

I had it cut out probably 3 or 4 years ago


Anyone end up with a conclusion to that? I've got similar problems with my 97 Park Avenue Ultra 3800 Series 2. If it is the Cat, what would have caused it to all the sudden stall on me on the freeway? Prior to that, it had been making loud knocking sounds. I suspected Rod Knock, but I am vigorously seeking alternative endings to this story.

Your Answer:

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