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2000 GMC Safari SL 4.3L Poor Idle Quality, Misfire, MIL Lamp on
I have a 00 Safari running very rough at idle. Shows misfires on # 1 and 4, mostly on # 4. Fuel trim Bank1 st -7,lt -3 Bank 2 st -30 lt -3 at idle. Fuel pressure 62 at wot, it isnt dropping when shut off. Did injector flow test and all were even drops. 02 stay...
FIX posted 8/20/2012
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Message Closed w/FIX
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34 Replies Received
34 Replies Received
Related Documents & Media | VIN | 1GKEL19W5Y |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / EFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always |
| Misc. | Awd |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2000 GMC Safari SL
| VIN | 1GKEL19W5Y |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / EFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always |
| Misc. | Awd |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video