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2003 Toyota Corolla P0171 P1346 P1349

Tiny
LUISFER
  • MEMBER
  • 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 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,724 POSTS
Has the timing belt ever been changed?
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Thursday, June 5th, 2014 AT 12:00 PM
Tiny
LUISFER
  • MEMBER
  • 2 POSTS
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
  • MECHANIC
  • 109,724 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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