Mechanics

HYUNDAI ELANTRA SENSOR PROBLEM

2004 Hyundai Elantra • 160,000 miles

Codes p0301 cylinder 1 misfire and code 2626 02 sensor 1 bank 1 pumping current trim circuit open. Car just started keeling rough and running rough. Already changed spark plugs!
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Hellokitty04
February 9, 2013.



Miss fire is from compression, plug, wire/coil, injector, vacuum leak and wiring.

Have these checked and resolve this first, then see if the o2 sensor code is still active

Roy