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2002 Ford Explorer XLS 4.0L MIL Lamp on
Posted to Ford Driveability on 12/9/2005 6 Replies

Hello all!

Vehicle came in with a code P1131, indicating lean or sensor not switching. When first looked at, freeze frame indicated fuel trims correcting for "rich" condition, not lean. Did notice that 02 sensor took several minutes to switch normally and res...

6 Replies Received (View Replies)

  Related Documents & Media  2002 Ford Explorer XLS

 
Message Closed w/FIX

car Vehicle Data

2002 Ford Explorer XLS

VIN 1FMZU64EO2
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways
Misc.Eddie Bauer

Trouble Codes

P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction
Message Closed w/FIX

car Vehicle Data

2002 Ford Explorer XLS

VIN 1FMZU64EO2
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways
Misc.Eddie Bauer

Trouble Codes

P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction