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2001 Ford F-150 XL 4.2L MIL Lamp on
Posted to Ford Driveability on 1/17/2009 16 Replies

Replaced upper intake gaskets and isolator [...] Frame Data show cold @ 168F. vehicle still runs lean. Bank 1 show to be running leaner than [...] we swapped injectors. Results the same. Fuel pump at 30 Psi@idle. 35Psi@ [...] [...] injectors with topend [...] ...

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  Related Documents & Media  2001 Ford F-150 XL

 
Message Closed w/Summary

car Vehicle Data

2001 Ford F-150 XL

VIN 1FTZF07291
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCold

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/Summary

car Vehicle Data

2001 Ford F-150 XL

VIN 1FTZF07291
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCold

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)