CODES P0301 CYLINDER 1 MISFIRE AND CODE 2626 02 ...

  • Tiny
  • Hellokitty04
  • 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!

Saturday, February 9th, 2013 AT 11:47 AM

1 Answer

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

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

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Saturday, February 9th, 2013 AT 12:24 PM

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