2002 GMC Sonoma SL 4.3L Misfire
po300 checked fuel pressure and found low, replaced fuel pump. fuel pressure at 56 psi. still had misfire replaced fuel injector spider rail. installed cap,rotor, plugs , wires, and found still a little misfire. found clogged converter and replaced. vehicle re...
FIX posted 12/29/2009
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Message Closed w/FIX
Vehicle Data2002 GMC Sonoma SL
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2002 GMC Sonoma SL
VIN | 1GTDT19W72 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Always |
Trouble Codes
306 | cylinder 6 misfire |