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1998 Cadillac DeVille Concours 4.6L Poor Idle Quality, Surge, MIL Lamp on
Posted to GM Driveability on 8/31/2011 5 Replies

i ran test for icm wiring all passed replaced icm no change in code surges...car surges at idle and intermittent code for pcm memory code any help would be great

5 Replies Received (View Replies)

  Related Documents & Media  1998 Cadillac DeVille Concours

 
Message Closed w/FIX

car Vehicle Data

1998 Cadillac DeVille Concours

VIN 1G6KF5491W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, MIL Lamp On
OccursAlways

Trouble Codes

P1376IC Module Ignition Ground Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

1998 Cadillac DeVille Concours

VIN 1G6KF5491W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, MIL Lamp On
OccursAlways

Trouble Codes

P1376IC Module Ignition Ground Circuit Malfunction