Car - 91 Chevy Corsica 3.1 (160,000 miles)
Problem - Car struggles (no power), bucks and eventually stalls on inclines. If I wait about an hour, it will starts up OK and runs until it warms up.
Then it starts all over again - No power when I hit the accelerator while climbing up a hill or navigate steep country roads.
My speed drops down to 35-45 an hour, and stalls if I try to go any faster.
Garage work done:
The Check Engine Light was on - Replaced 2 of the fuel injectors, the Cat (old one was clogged) and EGR value.
I was told the other 4 injectors were tested and were OK.
It ran great for about a week before same problem came back. Note: The check engine light did go away, but someone told me it was probably reset. Not sure.
I had another mechanic run extensive diagnostics (with the car on) with a expensive meter. He was able to duplicate the stalling. The only error code from the scan pointed to a bad ignition module.
It was replaced, along with all the coils.
The problem did not go away.
Other things replaced or tried:
Coolant temp sensor
New spark plugs and wires
Fuel injector cleaner additives
Fuel pressure was checked - it's good
I'm a big fan of your web site; so I'm hoping you might be the one to figure this out.
I'm a senor, living on a very fixed income and I need the car to get to my job.
Without the car I can't make enough to fix the car properly or get another.
Do you have any thoughts on what the problem is and what I can try?
I've exhausted all my funds trying to fix the problem.
I've gone through 5 different "street mechanics" and no one seems to have a clue.
Please help me
Tuesday, August 14th, 2012 AT 5:14 PM