
1997 Ford F-150 Lariat 4.6L MIL Lamp on
came in with codes p0420 & p0430 no action on scan tool for either rear sensor (flat line) both have 12 volts coming to them. so i replaced both sensors and still no response. what am i overlooking here? i'm covered up with work so probably something staring b...
FIX posted 3/13/2006
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Message Closed w/FIX
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VIN | 1FTDX18W3V |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
P0430 | Catalyst Efficiency Below Threshold (Bank 2) |
Message Closed w/FIX
Vehicle Data
1997 Ford F-150 Lariat
VIN | 1FTDX18W3V |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
P0430 | Catalyst Efficiency Below Threshold (Bank 2) |