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2004 Lincoln Navigator 5.4L MIL Lamp on
Posted to Ford Driveability on 3/7/2013 17 Replies

Well I have this thorn in my side called a [...] mil is on for the ever so common p0171 and p0174.I smoked the intake to start with and found the EGR valve leaking [...] I know that's common on fords but how much of a leak is too much?The fuel pressure was at ...

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  Related Documents & Media  2004 Lincoln Navigator

 
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car Vehicle Data

2004 Lincoln Navigator

VIN 5LMFU28R64
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

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

car Vehicle Data

2004 Lincoln Navigator

VIN 5LMFU28R64
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

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