Mechanics

TOYOTA AVALON ENGINE PROBLEM

1996 Toyota Avalon • 279,000 miles

I recently encountered check engine light on a 1996 toyata avalon xl. Code p0104 came up. I replaced part # 90910-12080 with a used one to see if that would work. It worked for 90 miles 3 different times. I put the original one back in and it lasts around 15 miles each time before the check engine would come back on. The part is called the EGR VSV VACUUM SWITCH SOLENOID VALVE. Would you suggest buying a new part or bring it to the dealer for further observation
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Guest
January 11, 2013.




P0104 shows for a mass air flow intermittent, and EGR usually does not set a check engine light. EGR is usually used to limit NOX emissions.

Dr. Hagerty
Jan 11, 2013.


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