
2001 Subaru Forester S 2.5L MIL Lamp on
This car is back with same code and not really sure where to go. Front A/F sensor is at 1.500 and rear appears to be working o.k. I unplugged A/F and still had 1.500 on the scan [...] throttle and the A/F may drop to around 1.200 and goes up to 2.800 and then ...
FIX posted 4/2/2011
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Message Closed w/FIX
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VIN | JF1SF65591 |
Engine | 2.5 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2001 Subaru Forester S
VIN | JF1SF65591 |
Engine | 2.5 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |