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1990 Cadillac DeVille 4.5L Stall, Misfire
Posted to GM Driveability on 1/31/2006 17 Replies

This car came to me from another shop with a poor cold run problem. As it turns out the car misfires so bad it will stall. It only stalls at idle when RPMs are low but it misfires at any throttle position and any load(until it warms up). Feels like secondary i...

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  Related Documents & Media  1990 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5330L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsStall, Misfire
OccursCold

Trouble Codes

49air injection system problem
Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5330L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsStall, Misfire
OccursCold

Trouble Codes

49air injection system problem