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2001 Toyota Tacoma DLX 2.7L MIL Lamp on
Posted to Asian Driveability on 11/11/2008 12 Replies

vehicle came to us with the upstream o2 sensor, and the cat back exhaust replaced. customer stated that light came on after muffler was replaced. a/f sensor was replaced and he said mileage improved. we assumed it was stuck and had overheated the pre cat, sinc...

12 Replies Received (View Replies)

  Related Documents & Media  2001 Toyota Tacoma DLX

 
Message Closed w/FIX

car Vehicle Data

2001 Toyota Tacoma DLX

VIN 5TEWM72N21
Engine2.7 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/FIX

car Vehicle Data

2001 Toyota Tacoma DLX

VIN 5TEWM72N21
Engine2.7 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)