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2012 Hyundai Elantra GLS 1.8L Poor Idle Quality, Surge, Misfire
Posted to Asian Driveability on 8/27/2021 7 Replies

This Elantra will misfire at idle in gear mostly when the ac is on. I can leave running at idle with ac and it will eventually throw misfire codes. I checked the plugs and coils on cylinder 1 and 4 and they look ok. I cant get it to misfire off idle. I che...

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  Related Documents & Media  2012 Hyundai Elantra GLS

 
Message Closed w/Summary

car Vehicle Data

2012 Hyundai Elantra GLS

VIN KMHDH4AE4C
Engine1.8 L / 4 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / Sfi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Misfire
OccursHot, Idle

Trouble Codes

P0301Cylinder 1 Misfire Detected
P0304Cylinder 4 Misfire Detected
Message Closed w/Summary

car Vehicle Data

2012 Hyundai Elantra GLS

VIN KMHDH4AE4C
Engine1.8 L / 4 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / Sfi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Misfire
OccursHot, Idle

Trouble Codes

P0301Cylinder 1 Misfire Detected
P0304Cylinder 4 Misfire Detected