1999 Toyota Avalon XL 3.0L MIL Lamp on
I thrown the kitchen sink at this one. Vehicle won't set cat monitor and keeps setting pending code po420. Looking at repair history we done everything possible. no exhaust leaks. all other monitors set except EVAP. Need assistance or input
FIX posted 8/26/2014
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Message Closed w/FIX
Vehicle Data1999 Toyota Avalon XL
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1999 Toyota Avalon XL
VIN | 4T1BF18B1X |
Engine | 3.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Not Applicable |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |