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2003 Chevrolet S10 2.2L Misfire
Posted to GM Driveability on 8/2/2013 29 Replies

This one has me stumped. Came in running rough, p0303. Found mix n match plugs and wires, replaced and still had misfire. checked spark w/spark tester, good, injector pulse, good, swapped 3/4 injectors still misfires. Watched misfire counts on Modis, they go a...

29 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet S10

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet S10

VIN 1GCCS14H73
Engine2.2 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0303Cylinder 3 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet S10

VIN 1GCCS14H73
Engine2.2 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0303Cylinder 3 Misfire Detected