2001 Toyota Corolla

Tiny
MSKUMON
  • MEMBER
  • 2001 TOYOTA COROLLA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 148,000 MILES
How do I know if the piston is burned
Saturday, May 30th, 2009 AT 8:58 AM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Perform a compression test, if piston is burned, compression will be significantly lower.

It would be unusual for a burned piston in a Toyota. Generally it would be caused by a very lean A/F ratio and if just one cylinder, most likely a fuel (lack of) issue on that cylinder. It is also possible the piston was a bad casting to begin with.
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Sunday, May 31st, 2009 AT 7:07 AM

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