INTERMITTENT MISFIRE CODES, HELP!

1997 Kia Sportage

Tiny

t avery

October, 15, 2011 AT 8:45 PM

1997 Kia Sportage 4X4 2.0 is having intermittent misfire code PO302. Replaced wires, coil packs, spark plugs and camshaft sensor. Vehicle runs fine until parked for a short time. When restarted, it misfires again. What could it be?

FOUND 2124 RELATED QUESTIONS

Mis Fire -

17 ANSWERS
11 IMAGES

3 Answers

Tiny

ASEMaster6371

October, 15, 2011 AT 9:01 PM

You need to check compression, plug, coil, vacuum leaks around the cylinder and lastly, the injector.

Roy

Tiny

t avery

October, 17, 2011 AT 3:23 PM

Thank you for the info. What would be an inexpensive and back yard way to check the injectors?

Tiny

ASEMaster6371

October, 18, 2011 AT 4:02 AM

Remove the rail with all 4 attached and see if they hold fuel pressure with the key on.

With the rail away from the engine, crank the motor and see if they spray fuel in a nice pattern. The crank sensor signal is what triggers the injectors.

Roy

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