
2003 Cadillac DeVille 4.6L Poor Idle Quality, Stall, Misfire
G.M. Techs your knowledge is needed.I have lost my --- on this one. Did have a bad vaccum leak,quick bucks, yea right 5 days later,1-3-5-7 missing randomly,compression chk. all above 140. Found T.S.B. on reprogram called dealer been done, hoping to pawn it on ...
FIX posted 10/21/2008
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VIN | 1G6KD54Y83 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Stall, Misfire |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |
P0506 | Idle Speed Control System Lower Than Expected |
P0507 | Idle Speed Control System Higher Than Expected |
Message Closed w/FIX
Vehicle Data
2003 Cadillac DeVille
VIN | 1G6KD54Y83 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Stall, Misfire |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |
P0506 | Idle Speed Control System Lower Than Expected |
P0507 | Idle Speed Control System Higher Than Expected |