Re: E46 3 series 1.9 idling problems (2002)

Hi the fault with the car is probably due to the engine getting unmeasured
air from somewhere, and the air mass meter cant compensate for it. it seems
like the fault only occurs when load { a/c, demister }is placed on the
engine.Also check the engine temperature reading in the DME control unit.
You may have a faulty sensor there.

Clive B
"EdinburghRoss" <RossK1981@xxxxxxxxx> wrote in message
news:1176664225.361014.74990@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
My E46 is suffering from a strange problem.

The revs drop down to 500rpm and the engine almost stalls before
shooting back up to a normal 800rpm idle.

This happens usually when the clutch is dipped and accelerator
released when the car is cold and/or heated rear window / aircon is
on.

Anyone experienced similar problems or have an idea on a solution ?

Had the car in at the dealer and under extended warranty they have
replaced:

-reversing sensor cone
-full heated rear windw
-heater fan
-offside rear light cluster
-wiring leading to each rear light cluster

I cant complain about getting an X3, Mini Cooper S or 320d from the
dealer for a day every week but its not solving the core problem...

Lastly, car is a 2002, fsh, only 45k



.

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