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1998 Ford Explorer Sport 4.0L MIL Lamp on, po171 po174
Posted to Ford Driveability on 2/2/2008 50 Replies

hello this is the explorer from hell. Came in with po171 & po174, smoked and found intake gaskets leaking. Replaced upper and lower plenum gaskets. Problem still persists. maf reading is okay. At idle shorterm=3% longterm=2%. of idle and while driving shortter...

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  Related Documents & Media  1998 Ford Explorer Sport

 
Message Closed w/FIX

car Vehicle Data

1998 Ford Explorer Sport

VIN 1FMYU22E0W
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Po171 Po174
Misc.VIN E Sohc

Trouble Codes

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

car Vehicle Data

1998 Ford Explorer Sport

VIN 1FMYU22E0W
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Po171 Po174
Misc.VIN E Sohc

Trouble Codes

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