2001 BMW 740i 4.4L MIL Lamp on
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...
FIX posted 1/6/2011
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Message Closed w/FIX
Vehicle Data2001 BMW 740i
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2001 BMW 740i
VIN | WBAGG83451 |
Engine | 4.4 L / 8 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | After a Hot Soak |
Trouble Codes
0171 | Too Lean Bank 1 |
0174 | Too Lean Bank 2 |