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

 

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cadillac1, Albany, GA, December 15, 2011, 16:31
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HAVE CHANGED WIRES,INJECTORS,DISTRIBUTOR COIL.CAP,PLUGS,MODULE,
TPS SENSOR,AIR CHARGE SENSOR

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  • Answer #1

    mastertech6371 December 15, 2011, 20:48
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     Master

    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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