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Emission Control Problems of Toyota Avalon



Toyota Avalon owners have reported 8 problems related to emission control (under the engine and engine cooling category).

car image   Emission Control problem of the 2005 Toyota Avalon 1
Failure Date: 03/01/2012

2005 Toyota Avalon. Consumer writes in regards to faulty with oxygen sensor the consumer stated the lights on the dash illuminated when nothing appeared to be wrong with the vehicle.

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car image   Emission Control problem of the 2006 Toyota Avalon 2
Failure Date: 03/06/2008

The contact owns a 2006 Toyota Avalon. When depressing the accelerator pedal from a dead stop, the engine idles and the vehicle does not respond. The contact took the vehicle to the dealer and was informed that the failure was possibly due to the emission control. When the contact took the vehicle to a different Toyota dealer, they stated that the failure may be due to the transmission. The failure does not occur when traveling uphill. The current and failure mileages were 23,000. Updated 03-25-08 the consumer stated at low speeds the engine revs and after informing the dealer he was informing NHTSA the dealer found a fix for the defect. The consumer stated still shifts unevenly. Updated 03/25/08.

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car image   Emission Control problem of the 2000 Toyota Avalon 3
Failure Date: 01/11/2006

Engine warning light and vsc and vsc off light went on while driving. Dealer indicated that a valve in the charcoal canister and the canister itself needed replacement. The components are part of the emissions system and the vsc is part of the same circuit hence both sets of warning lights went on. Dealer indicated that if you top off the tank the extra gas spills over into the canister and can overwhelm the valve causing excessive usage and possible shorting. I indicated that I have never topped off the tank in this car, dealer had no other explanation. Part is not covered under the Toyota $1800 extra care gold extended warranty, and cost to replace canister was $285. 00, and $31. 00 for valve, plus $285. 00 labor. Note:78k miles on vehicle, same exact problem on three other occasions: 6/11/03 new valve, vacuum swi installed, total charge $152. 11 52,587 mileage 10/16/03 diagnosis & clean sensor reinstall code, total charge $130. 50 56,694 mileage 6/24/04 diagnosis & reinstall code, total charge $43. 50 60,252 mileage.

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car image   Emission Control problem of the 2001 Toyota Avalon 4
Failure Date: 11/28/2003

Engine warning light and vsc and vsc off light went on while driving!. Dealer indicated that a valve in the charcoal canister assy. Was shorting out. The component is part of the emissions system and the vsc is part of the same circuit hence both sets of warning lights went on. Dealer indicated that if you top off the tank the extra gas spills over into the cannister and can overwhelm the valve causing excessive usage and possible shorting. I indicated that I have never top'd off the tank in this car, dealer had no other explanation. Part is not covered under the Toyota $1200 extra care gold extended warranty, and cost to replace unit was $507. 32, including $85. 00 charge for computer diagnostic. Note:53k on car and have had no unscheduled work done on car sinced it was purchased new.

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car image   Emission Control problem of the 2000 Toyota Avalon 5
Failure Date: 05/13/2002

Engine check light came on. We took it into the Toyota dealer who said that the charcoal cannister in the emissions system had to be replaced. The service people also indicated that they have had to replace a lot of cannisters on various Toyota models.

car image   Emission Control problem of the 2001 Toyota Avalon 6
Failure Date: 07/13/2001

When fill ing up with fuel indicator lights come up on dashboard. There was a problem with fuel. Consumer took the vehicle to dealer three times because the engine light kept coming on gas, then they discovered the flexhose had come off the charcoal canister.

car image   Emission Control problem of the 1997 Toyota Avalon 7
Failure Date: 05/22/2001

Engine check light kept coming on. Oxygen sensor and other components had gone bad. Consumer will add additional information.

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car image   Emission Control problem of the 1996 Toyota Avalon 8
Failure Date: 11/18/1996

Canister assembly and vaccums failed.

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Other Common Engine And Engine Cooling related problems of Toyota Avalon