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1990 Cadillac Seville 4.5L Poor Idle Quality, Hesitation, Poor Fuel Economy
Posted to GM Driveability on 2/7/2003 7 Replies

This one is making us go gray faster than when want. Engine has lack of power and is sluggish upon take off and acceleration. Engine vacumm is 12 at idle, timing is set at 20 degree advance to get the vacumm, Spec call for 10 degree. Timing chain is new and th...

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Message Closed w/Summary

car Vehicle Data

1990 Cadillac Seville

VIN 1G6KY5338L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsUs Fed
SymptomsPoor Idle Quality, Hesitation, Poor Fuel Economy
OccursAlways
Message Closed w/Summary

car Vehicle Data

1990 Cadillac Seville

VIN 1G6KY5338L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsUs Fed
SymptomsPoor Idle Quality, Hesitation, Poor Fuel Economy
OccursAlways