HAVE CHANGED WIRES,INJECTORS,DISTRIBUTOR COIL.CAP,PLUGS,MODULE,
TPS SENSOR,AIR CHARGE SENSOR
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1990 Cadillac DeVille Question: CAR RUNS REALLY ROUGH/ SKIPS MISSES/WANT SMOOTH OUT AT ALL WHAT CAN I DO NOW?
Answer #1mastertech6371 December 15, 2011, 23:48Master
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.