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1995 Cadillac DeVille 4.9L Excessive Emissions, Poor Fuel Economy
Vehicle is rich, O2 sensors read correctly (fixed .998v) and are new, LTFT 128 (fixed) both banks, STFT 128 (fixed)both banks . Fuel trim does not respond until I perform a reset with the Mastertech (output tests), Then the LTFT stays near 102-104, STFT varies...
FIX posted 3/6/2009
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Related Documents & Media | VIN | 1G6KD52B0S |
| Engine | 4.9 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / PFI |
| Emissions | Not OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Fuel Economy |
| Occurs | Hot, Cruise, Idle, Intermittently |
Trouble Codes
| E040 | p/s pressure switch circuit repaired |
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Vehicle Data
1995 Cadillac DeVille
| VIN | 1G6KD52B0S |
| Engine | 4.9 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / PFI |
| Emissions | Not OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Fuel Economy |
| Occurs | Hot, Cruise, Idle, Intermittently |
Trouble Codes
| E040 | p/s pressure switch circuit repaired |
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