
2003 Cadillac DeVille 4.6L Misfire
This car came in with a misfire. We replaced plugs and coil packs. All a/c delco. The misfire is #3 and #4 cylinders. We did a compression test 175psi across the [...] does have spark and pulse at the injector. Fuel trims are at zero. We smoked tested with...
Summary posted 10/25/2021
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Message Closed w/Summary
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VIN | 1G6KD54Y83 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Always |
Message Closed w/Summary
Vehicle Data
2003 Cadillac DeVille
VIN | 1G6KD54Y83 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Always |