HAVE MISFIRE ON 1 AND 4 CYLANDERS CHANGED PLUGS...

2003 Kia Sedona

Tiny

almorgillo

October, 22, 2012 AT 11:05 PM

Have misfire on #1 and # 4 cylanders, changed plugs, wires, coil, checked for vacume leak found one in plenum change lower half, have any suggestions thankyou

FOUND 2124 RELATED QUESTIONS

Mis Fire -

17 ANSWERS
11 IMAGES

1 Answer

Tiny

ASEMaster6371

October, 22, 2012 AT 11:26 PM

Start with a compression test to verify the motor is good.

Check fuel pressure as well.

Check the injectors and wiring as they can contribute to this issue as well.

Roy

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