2001 Toyota Tacoma DLX 2.7L Which Cat Bad ?
Normally this is kind of cut and dried that there is a cat problem. I graph and monitor the front and back 02s and see the similarity of the graphs.I cant see the front on this vehicle because it is a california version and thus has an a/f mixture sensor in fr...
FIX posted 1/18/2009
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Message Closed w/FIX
Vehicle Data2001 Toyota Tacoma DLX
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2001 Toyota Tacoma DLX
VIN | 5TEWM72N61 |
Engine | 2.7 L / 4 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Which Cat Bad ? |
Occurs | Always |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |