
2003 Chevrolet Suburban 1500 LS 5.3L Hesitation, Surge, Misfire
GM Guys HELP!! I have this 2003 suburban in my shop that has a really bad shudder right around 55 mph that feels like a really bad misfire. pulled codes and found p0300. misfire history shows high misfires on 4 and 6. when problem occurs it does not log mi...
FIX posted 11/29/2018
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Message Closed w/FIX
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VIN | 3GNFK16ZX3 |
Engine | 5.3 L / 8 cyl / FLEX |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / sefi |
Emissions | OBD-II Compliant |
Symptoms | Hesitation, Surge, Misfire |
Occurs | Hot, Under Load, Cruise, Intermittently |
Trouble Codes
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Suburban 1500 LS
VIN | 3GNFK16ZX3 |
Engine | 5.3 L / 8 cyl / FLEX |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / sefi |
Emissions | OBD-II Compliant |
Symptoms | Hesitation, Surge, Misfire |
Occurs | Hot, Under Load, Cruise, Intermittently |
Trouble Codes
P0300 | Multiple Misfire Detected |