Having problems with your 1999 Hyundai Accent ?
Bad oil smell +O2 sensor reading bad
\015 1999 hyundai accent looks like burning oil, had to fill 1/2 quart 1500 miles from oil change. There is a check engine code that no one has P034. It also irregular cycling on the engine when waiting at stoplights. So much that it can jump forward a few inches.\015
Please VERIFY!? P034? NOT P0340? My research reveals you are correct.. there is no such code as P034!!!.. there is P0342 & P0343!! Both are CAM POSITION SENSOR codes. Perhaps this MIGHT help (no guarantee).. Disconnect both battery cables from the battery (+) & (-)... touch these cables together for 30 seconds (nohwere near the battery posts)... then reconnect them to the battery... see what happens. There may be 'JUNK' in the computer memory.. this will erase it and set the computer back to 'DEFAULT' RESET condition (that is, if the computer isn't the problem to begin with OR there's some other sensor/component (like the CAT (catalytic converter) which might be burned out and clogged up). Without actually diagnosising this vehicle myself, there's really no accurate way of pinpointing the problem. Hope this is helpful.
Repair Help & Product Troubleshooting for 1999 Hyundai Accent
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