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2010 Chevrolet hhr 2.2L Misfire
Posted to GM Driveability on 5/5/2011 10 Replies

Came in with check engine lt on. Scan tool showed 300 miss, 172 rich, and 1174 trim balance. Swapped coil and plug with another cylinder, but miss stayed in same place. Smoke test was performed on evap system but no leaks were detected. Also, blocked off evap ...

10 Replies Received (View Replies)

 
Message Closed w/Summary

car Vehicle Data

2010 Chevrolet hhr

VIN 3GNBAADB7A
Engine2.2 L / 4 cyl
DeliveryFuel Injection / port
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways, Idle

Trouble Codes

1174trim balance
172rich
P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2010 Chevrolet hhr

VIN 3GNBAADB7A
Engine2.2 L / 4 cyl
DeliveryFuel Injection / port
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways, Idle

Trouble Codes

1174trim balance
172rich
P0300Multiple Misfire Detected