What could cause Hyundai 2013 Accent to blow smoke out exhaust and shake upon starting or accelerating?


Asked by Mar 15, 2015 at 11:41 AM about the 2013 Hyundai Accent GLS

Question type: Maintenance & Repair

2 Answers

Tom Demyan

Could be a few things, like misfires, head gasket issue. What color is the smoke?


The smoke is blue and i have been told today it probably is the PCV valve and they cost $5.39 and easy to replace. The oil usage related to the valve makes sense, because it was using oil like crazy and NO SIGN WHATSOEVER of any leaks...couldnt figure out where it was going. The check engine light would come on for few days or a week then it would be off for awhile. When the shaking started was two days ago while accelerating on highway it began to shake, and wasnt taking gas or accelerating..I pulled over checked oil etc. Started up and drove fine from Gainesville to Dallas Tx. Then this morning when i started it in parking lot after it had sat all night the smoke returned and a lot of smoke and ut shook for few seconds. The smoke is very sporadic it can be 6 weeks no smoke running fine then it will appear again. Always on the initial start of day. The Check Engine light has only been on then off for padt month but the smoke issue has been almost since i bought it...about 30 days after. I bought it used and it currently has about 73k miles on it.

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