When accelerating, a cluttering noise can be heard from the engine, especially if accelerating up a hill?

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1998 TOYOTA AVALON
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 115,000 MILES
I have tried different types of gasoline, and nothing helps. Any suggestions as to what it could be and what I can do about it? Thanks in advance.
Monday, October 18th, 2010 AT 11:02 PM

1 Reply

Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
Your engine is equipped with a knock sensor, which adjusts the ignition timing to the computer. Yours may not be functioning properly.
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Monday, October 18th, 2010 AT 11:04 PM

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