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.
Oct 18, 2010 at 11:02 PM
When accelerating, a cluttering noise can be heard from the engine, especially if accelerating up a hill?
1998 TOYOTA AVALON
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Your engine is equipped with a knock sensor, which adjusts the ignition timing to the computer. Yours may not be functioning properly.
Oct 18, 2010 at 11:04 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.