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1997 Toyota Tacoma DLX 2.4L MIL Lamp on
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...
FIX posted 1/3/2006
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Message Closed w/FIX
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18 Replies Received
18 Replies Received
Related Documents & Media | VIN | 4TANL42N5V |
| Engine | 2.4 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Hot |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
1997 Toyota Tacoma DLX
| VIN | 4TANL42N5V |
| Engine | 2.4 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Hot |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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