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1997 Toyota Tacoma DLX 2.4L MIL Lamp on
Posted to Asian Driveability on 11/30/2005 18 Replies

Started with P0420, cat eff. code. Checked front and rear o2'[...] mimiced [...] cat. Same problem. Looked at front and back oxygen sensors. Front has great movement. Rear has none until RPM reaches 2500 then it mimics front. I checked both waveforms using OTC...

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  Related Documents & Media  1997 Toyota Tacoma DLX

 
Message Closed w/FIX

car Vehicle Data

1997 Toyota Tacoma DLX

VIN 4TANL42N5V
Engine2.4 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursHot

Trouble Codes

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

car Vehicle Data

1997 Toyota Tacoma DLX

VIN 4TANL42N5V
Engine2.4 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursHot

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)