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1991 Cadillac DeVille 4.9L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire
Posted to GM Driveability on 7/31/2012 17 Replies

Vehicle was brought into town by a used car dealer. When first brought to my shop engine had a rough idle and surge. Found 2 injectors not spraying properly, egr valve leaking vaccum and plugs fouled. Injectors, egr valve & plugs were replaced and remainging i...

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car Vehicle Data

1991 Cadillac DeVille

VIN 1G6CD53B2M
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsFED EMISSIONS
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire
OccursCold, Hot, Intermittently
Message Closed w/FIX

car Vehicle Data

1991 Cadillac DeVille

VIN 1G6CD53B2M
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsFED EMISSIONS
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire
OccursCold, Hot, Intermittently