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2001 BMW 740i 4.4L MIL Lamp on
Posted to European Driveability on 12/29/2010 15 Replies

Car came in with both banks running lean. I replaced the vacuum lines and the intake gasket. Cleared the codes and drove it, after about 10 miles codes returned. I scoped the MAF and at idle it is a little high at 1.5 v, and the snap throtle wave form looks ju...

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  Related Documents & Media  2001 BMW 740i

 
Message Closed w/FIX

car Vehicle Data

2001 BMW 740i

VIN WBAGG83451
Engine4.4 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAfter a Hot Soak

Trouble Codes

0171Too Lean Bank 1
0174Too Lean Bank 2
Message Closed w/FIX

car Vehicle Data

2001 BMW 740i

VIN WBAGG83451
Engine4.4 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAfter a Hot Soak

Trouble Codes

0171Too Lean Bank 1
0174Too Lean Bank 2