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1999 Cadillac Catera 3.0L MIL Lamp on
dtc's set at freeway speed long term fuel trim goes to positive 25 at freeway speeds both pre cat 02 sensors have been replaced condition still the same fuel pressure within spec fuel filter new no apparent vacuum leak check with smoke and carb cleaner
FIX posted 5/22/2014
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Message Closed w/FIX
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10 Replies Received
10 Replies Received
Related Documents & Media | VIN | W06VR52R6X |
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
1999 Cadillac Catera
| VIN | W06VR52R6X |
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video