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International Automotive Technicians Network
1999 Ford F-150 Lariat 5.4L MIL Lamp on
Posted to Ford Driveability on 1/9/2004 4 Replies

hello techs I have this 1999 f150 that keeps turning on the ses light on for code p1451 I went through the test were it want's you to check for power at the connector vpwr wire if voltage is 10.5 volts which it is 11.5v , next check resistance at the cv solino...

4 Replies Received (View Replies)

  Related Documents & Media  1999 Ford F-150 Lariat

 
Message Closed w/FIX

car Vehicle Data

1999 Ford F-150 Lariat

VIN 1FTRX08L0X
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P1451EVAP Two-Way Valve Bypass Valve Control Circuit High Input
Message Closed w/FIX

car Vehicle Data

1999 Ford F-150 Lariat

VIN 1FTRX08L0X
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P1451EVAP Two-Way Valve Bypass Valve Control Circuit High Input