1991 BMW 850i 5.0L MIL Lamp on
Just replaced valve cover gaskets and now mil is on with code 78 ect short only in the cyl 1-6 computer. Scanner pid shows negative 56 degrees. Mitchell component locator says dual ect is at the front of the engine. It also says ect is on the coolant inlet. Th...
FIX posted 2/2/2011
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Message Closed w/FIX
Vehicle Data1991 BMW 850i
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1991 BMW 850i
VIN | WBAEG1314M |
Engine | 5.0 L / 12 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection / mpi |
Emissions | California emissions |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
78 | coolant temp sensor short or break |