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2008 Chevrolet Suburban 1500 LTZ 5.3L Misfire, Misfire
Customer returned with Check engine light on for po300 history missfire on #6 and #8. Test drove did not get a misfire fuel trims at idle are around (-6% sometimes would hit -11%) Cruise fuel trims are around 0-3%. when you clear the P0300 drive at 50mph a...
FIX posted 4/6/2022
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Message Closed w/FIX
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8 Replies Received
8 Replies Received
Related Documents & Media | VIN | 1GNFK16368 |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, Misfire |
| Occurs | Cruise |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2008 Chevrolet Suburban 1500 LTZ
| VIN | 1GNFK16368 |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, Misfire |
| Occurs | Cruise |
Trouble Codes
| P0300 | Multiple Misfire Detected |
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