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1990 Cadillac DeVille 4.5L Poor Idle Quality, Surge, Cuts out
Posted to GM Driveability on 10/27/2004 4 Replies

engine ignition timing goes retard about 40 degrees from base timming. have to advance distributor just to idle [...] time [...] and dist gear [...] to disconnect iac to keep from surge condition.

4 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5334L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / port fuel
Emissionsfed
SymptomsPoor Idle Quality, Surge, Cuts Out
OccursAlways, Cold, Hot, Intermittently
Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5334L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / port fuel
Emissionsfed
SymptomsPoor Idle Quality, Surge, Cuts Out
OccursAlways, Cold, Hot, Intermittently