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2005 Lincoln Town Car Signature Limited 4.6L Excessive Fuel Trim
Posted to Ford Driveability on 1/29/2008 12 Replies

after clearing codes and perform drive cycle, both banks long term will go to 35% after 25-30 miles driving. after clearing (kam), stft 36.1%. performed smoke machine test, found egr valve diaphram leaking. replaced egr valve retested no leaks. on start up stf...

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  Related Documents & Media  2005 Lincoln Town Car Signature Limited

 
Message Closed w/FIX

car Vehicle Data

2005 Lincoln Town Car Signature Limited

VIN 1LNHM82W55
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Fuel Trim
OccursAlways

Trouble Codes

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

car Vehicle Data

2005 Lincoln Town Car Signature Limited

VIN 1LNHM82W55
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Fuel Trim
OccursAlways

Trouble Codes

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