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Re: 84 745i Fuel Problem....HELP..... (archive)
[ Follow Ups ] [ 7-series (E23) Message Board ] [ Msg. Board FAQ ]
Posted by Edward on October 25, 2000 at 21:04:24:

In Reply to: 84 745i Fuel Problem....HELP..... posted by Ari on October 25, 2000 at 16:57:29:

Sounds like a throttle position sensor... Your right, they never came with O2 sensors, they were installed by compliance importers to pass DOT/smogging issues. Might also have a bad fuel pressure regulator located on the fuel rail at the front of the motor, OR bad fuel pump/sender...

Edward

84,85,86 745i's
85 745i (bad wreck - only 45,XXX parts car)
87 535is (for sale)
88 750il (for sale)


My 745i is running rough. I suspect that it might be the O2 sensor. It looks very old and bad. I thought I read somewhere that these cars originally didnt have O2 sensors and when they were DOTEPAed O2 sensors were added. I disconected my O2 sensor and now the car wont stay alive. my O2 sensor has a single wire.
I want to know if the car will run better without an O2 sensor. please help me out. Before i disconected the wire the car would sometimes start and it would rev very low with a rough idle and die.




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