Toyota Avalon owners have reported 3 problems related to engine noise (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Toyota Avalon based on all problems reported for the Avalon.
Car makes a very, very loud screeching sound when started with a/c or heating on (but more commonly with a/c). The sound will sometimes die down or stop once a/c is turned off, but not always. Puddles can trigger the sound as well. Sound can be heard mainly upon inital startup but can occur after car is in motion.
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all problems of the 2004 Toyota Avalon
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Tl the contact owns a 2005 Toyota Avalon. While driving, the contact depressed the brake pedal and the vehicle came to a slow stop. The contact stated that the engine made a revving noise, but the accelerator pedal was not depressed. There were no warning indicators illuminated. The vehicle was taken to an independent mechanic where it was diagnosed that the computer needed to be reprogrammed. The computer was reprogrammed; however, the failure recurred. The vehicle was not repaired. The dealer was not contacted. The manufacturer was not notified of the failure. The approximate failure mileage was 81,000.
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all problems of the 2005 Toyota Avalon
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Excessive engine noise when cold -
when the wife notices this problem, it is pass time to report it !
I have noticed it for years ! just getting worst.
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all problems of the 2006 Toyota Avalon
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