intermittent misfire codes, help!

1997 KIA SPORTAGE
13,300 MILES
Avatar
T AVERY
  • MEMBER
  • 2 POSTS
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?
Oct 15, 2011 at 8:45 PM
Advertisement
Avatar
ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
you need to check compression, plug, coil, vacuum leaks around the cylinder and lastly, the injector.

Roy
Oct 15, 2011 at 9:01 PM
Avatar
T AVERY
  • MEMBER
  • 2 POSTS
Thank you for the info. What would be an inexpensive and back yard way to check the injectors??
Oct 17, 2011 at 3:23 PM
Advertisement
Avatar
ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
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
Oct 18, 2011 at 4:02 AM