2003 TOYOTA COROLLA P0171 P1346 P1349

  • Tiny
  • luisfer
  • 2003 Toyota Corolla
  • 1.8L
  • 4 CYL
  • 2WD
  • automatic
  • 100,000 miles

Hi car in idle is innestable, I change cmp and vvt-i valve and clean the filter of vvt valve and the problem persist

Wednesday, June 4th, 2014 AT 12:06 PM

3 Answers

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,410 posts

Has the timing belt ever been changed?

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Thursday, June 5th, 2014 AT 12:00 PM
  • Tiny
  • luisfer
  • Member

Not change the timing belt, change the head gasket and assemble engine came back and started making failure

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Friday, June 6th, 2014 AT 1:07 PM
  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,410 posts

You mean the problem started after the head gasket was replaced? Also, a stretched or worn belt can cause this problem. When the head gasket was replaced, was the mechanic knowledgeable regarding engine timing on a VVT engine?

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Friday, June 6th, 2014 AT 8:06 PM

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