
2003 GMC Sierra 1500 HD SLE 6.0L Mechanical
need a little help!!!! i have misfire on #5 and #6 checked for spark has good spark. tried switching coil,plugs,wires and injectors with no change. both misfires are both same. checked compression it was at 150 psi. checked for busted valve spring both wer...
FIX posted 11/16/2020
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VIN | 1GTGK13U03 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Message Closed w/FIX
Vehicle Data
2003 GMC Sierra 1500 HD SLE
VIN | 1GTGK13U03 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |