CAR RUNS REALLY ROUGH/ SKIPS MISSES/WANT SMOOTH OUT AT ALL WHAT CAN I DO NOW? on 1990 Cadillac DeVille

HAVE CHANGED WIRES,INJECTORS,DISTRIBUTOR COIL.CAP,PLUGS,MODULE, TPS SENSOR,AIR CHARGE SENSOR

by in Albany, GA on December 15, 2011
1 answer
ANSWER by on December 15, 2011
stop with all the parts replacing and go back to basics. you need to do a compression check to verify the motors ability to work well. you need to do a vacuum test and test for vacuum leaks as well. you need to find the reason before replacing parts. Roy
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