COROLLA SPUTTERS AND MISFIRES, MORE OFTEN UNDER ACCELERATION

  • Tiny
  • ski23
  • 1996 Toyota Corolla
  • 266,000 miles

Hi, I have a 1996 Corolla having misfire issues. I have been changing parts hunting for the fix and no luck so far. Changed EGR, IAT sensor, Plugs, wires, cap+rotor, Igniton coil, Distributor, fuel filter and still having issues. Car actually threw several codes coming home from work for random misfires before I did coil/distributor.
When the weather was colder, the car wouldnt misfire until 20 minutes of highway driving. Now with the new parts and temp outside being alot warmer, the car acts up within a block or two. Gonna start removing fuel pump next. Any other opinions would be great.

Friday, March 30th, 2012 AT 2:10 AM

2 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,550 posts

Did you have the injectors serviced? They may need just to be cleaned.

Roy

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Friday, March 30th, 2012 AT 2:12 AM
  • Tiny
  • ski23
  • Member

Fuel pump did not fix my problem. May have to have injectors serviced. Could a clogged Cat converter cause this? Maybe too much back pressure causing issues?

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Thursday, April 5th, 2012 AT 7:53 PM

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