We have changed the map sensor, the oil pump sensor, the fuel pump and regulator,the line is clear, we have changed the whole computer. we have changed the whole distributor and it is getting spark air and fuel. it quits below 3000 rpms. we have checked all the fuses, what could this be because ive tried all these different things and im not getting anywere and its beginning to get frustrating.
It could be fuel filter, or fuel pump relay
SOURCE: Service Engine Soon Light and Rough Idle (Below 1200 rpms)
do you get check engine codes?..have you done a leak down test and compression test to determine mechanical engine health?
SOURCE: 91 firebird wont start
I had the same problem with mine. I have a 91 trans am, and My problem was a temp sensor on the motor. I put a new one on, and it fired right up. Hopefully that helps you out a bit.
SOURCE: I have 96 gmc 350 vortec. missing really bad. Ive
ou need to check compression on all the cly. do you know which cly is dead?
SOURCE: 1995 Lexus ES300 car wont start, tried alot of
check your fuse box. you might have a blown fuse
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