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2002 Hyundai Elantra GLS 2.0L Poor Idle Quality
Posted to Asian Driveability on 4/29/2011 4 Replies

I scanned and found a p0340 cmp ckt malfunction. I checked camtiming marks and found camshafts one tooth off. realigned per tsb of updated cam gear marks. car ran better but still had p0340 and rough idle. checked cam sensor power and ground good 12v and 0.01m...

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Message Closed w/Summary

car Vehicle Data

2002 Hyundai Elantra GLS

VIN KMHDN45D42
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAfter a Hot Soak
Message Closed w/Summary

car Vehicle Data

2002 Hyundai Elantra GLS

VIN KMHDN45D42
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAfter a Hot Soak