
1997 Ford F-150 XL 4.2L MIL Lamp on
The sensor comes on very slow, and never goes over .3 of a [...] does not respond to carb clean when trying to force it rich. I suspect a wiring problem, pulled the harness apart and found nothing. Not ready to swap computers just yet. Thanks for the help.
FIX posted 11/26/2013
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Message Closed w/FIX
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VIN | 1FTDF1823V |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
Message Closed w/FIX
Vehicle Data
1997 Ford F-150 XL
VIN | 1FTDF1823V |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |