1996 Buick Roadmaster Collector's Edition 5.7L Lean at Idle
This is a well maintained unit It came in for CEL and I found PO174. Replace O2 sensor and the light has not reset but if you watch the fuel trim it is always adding fuel at idle, and especially bank 2. At cruise, the trim will fall to +- 2 % stft and bank 1 L...
FIX posted 11/12/2004
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Message Closed w/FIX
Vehicle Data1996 Buick Roadmaster Collector's Edition
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1996 Buick Roadmaster Collector's Edition
VIN | 1G4BT52P7T |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Lean at Idle |
Trouble Codes
P0174 | Fuel System Too Lean (Bank 2) |