1998 BMW 740iL 4.4L Poor Idle Quality, MIL Lamp on
vehicle comes back with mil on, scan ecm for codes and find; p1140 maf related problem. hook lab-scope to maf and verify maf signal return volts stuck at 1.2v. replace maf sensor and road test vehicle no mil light. go to restart vehicle and mil light comes bac...
FIX posted 2/11/2006
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Message Closed w/FIX
Vehicle Data1998 BMW 740iL
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1998 BMW 740iL
VIN | WBAGJ8320W |
Engine | 4.4 L / 8 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Hot, Idle |
Trouble Codes
05005 | iac problem |
P1140 | EGR Throttle Control Circuit Open |