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1996 Buick Roadmaster Collector's Edition 5.7L Misfire, MIL Lamp on
misses on cyl # 4 continuosly backfires through exhaust instaled new cap ,rotor,wires,plugs twice still misses cyl 4. installed new injector no change compression 180 fuel pressure in spec vaccum excellent valve springs not broken rockers ok pushrods ok in ori...
FIX posted 10/9/2009
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Message Closed w/FIX
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21 Replies Received
21 Replies Received
Related Documents & Media | VIN | 1G4BT52P2T |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
1996 Buick Roadmaster Collector's Edition
| VIN | 1G4BT52P2T |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video