1999 BMW 740i 4.4L Poor Idle Quality, Surge, MIL Lamp on
keeps setting cmp sensor codes(p0342 and p0347) 113/114 scoped cmp sensors, erratic readings, 1 volt peak square/.5 volt peak square waves tis pretty wierd, the power/ground @ sensors are good it puts out 3 high squares then some lows, then back to highs. i th...
Summary posted 12/12/2012
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Vehicle Data1999 BMW 740i
Trouble Codes
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Message Closed w/Summary
Vehicle Data
1999 BMW 740i
VIN | [No VIN Available] |
Engine | 4.4 L / 8 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
113 | cmp sensor 1 |
114 | |
134 | auto throttle actuator |
140 | electric thermostat |
141 | cooling fan ckt |
85 | air pump |