2001 Chevrolet S10 2.2L MIL Lamp on
This truck came in with new plugs and wires, new O2 sensors, converter. Code. PO 420 converter efficiency. The truck runs and idles great, the front 02 looks good on the scope, the rear O2 stays below one volt and has intermittent spikes. I have never seen a r...
Summary posted 6/5/2008
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Vehicle Data2001 Chevrolet S10
Trouble Codes
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Message Closed w/Summary
Vehicle Data
2001 Chevrolet S10
VIN | 1GCCS19501 |
Engine | 2.2 L / 4 cyl / FLEX |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Every 2 Weeks |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |