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Check engine light

Tiny
DRIPPER
  • MEMBER
  • 1997 NISSAN TRUCK
  • 227,000 MILES
Check engine light came on. Read code po 302 number 2 cylinder misfireing, went out and wiggle wire on injector did not clear code a few days later the light went out. What up
Sunday, June 17th, 2012 AT 5:05 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
P0302 means a misfire and it can be due to spark plugs, wires and the injetors. Something was not working correctly and it sems the problem has righted itself thus no more indictor light but the code would still be recorded in the engine computer.

Misfires are sometimes difficult to diagnose as there are too many possibilities.
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Sunday, June 17th, 2012 AT 5:21 PM

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