Chevy HHR ecotec runs rough, misfire, check engine light on, P0300, head gasket? (Operation Zombie)

This Video shows the process I took to check a chevy HHR that was running a little rough at idle and had a check engine light on. Follow along with me and let's see what we find. Please Subscribe, Like, Share and comment.

• #autos_vehicles
• #chevy
• #hhr
• #ecotec
• #runs_rough
• #misfire
• #check_engine
• #light_on
• #p0300
• #head_gasket
• #compression_test
• #wet_test
• #engine_diagnosis
• #diagnose
• #diagnostics
• #troubleshooting
• #garage
• #hobby
• #mechanic
• #mechanic_work
• #auto_repair
• #automotive
• #engine_repair
• #fix
• #trouble
• #shoot
• #low_compression
• #car_channel
• #projects