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2002 Toyota Tacoma DLX 3.4L MIL Lamp on
Posted to Asian Driveability on 3/25/2010 5 Replies

hey everyone;

from the info i have found the upstream sensor should be at 3.3v, if it is above that it is running lean.

the only thing that i know of that can cause that and still have fuel trim in check would be maf. do those numbers seem out of line? ( in ...

5 Replies Received (View Replies)

  Related Documents & Media  2002 Toyota Tacoma DLX

 
Message Closed w/FIX

car Vehicle Data

2002 Toyota Tacoma DLX

VIN 5TEHN72N02
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

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

car Vehicle Data

2002 Toyota Tacoma DLX

VIN 5TEHN72N02
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)