Question about Cars & Trucks
My BMW 1999 Model E46 is showing an error of A9 throttle shut off after diagnosis error , this is causing the car to misfire and fail to rev above 2500rpm and cant go beyond 80 km/h , fuel consumption is also high , kindly advise on solution , i have changed the coils , the vent valve , the computer box , the throttle body and now thinking of changing the cables, please advise
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Posted on Jan 02, 2017
Is there a leak in one of the fuel lines? Check the length of the fuel lines from the pump (you may need an extendable mirror to see the top of gas tank) right up to the point where it enters the fuel rail on the engine. Take special note of the junctions and try to do it with the car running and at a slight idle so fuel is pumping. Check next for a smell of too much gasoline along the fuel rail as one of the injectors may be improperly seated and or broken and leaking. Has the service engine check engine light come on at all or come on and gone out. If your o2 sensor(s) go you use more fuel. If they go there should be a code stored in your PCM (computer). You can pull any codes out of that car by finding the connector and jumping it. Also if your air element(filter) or any pipes are clogged in that system up to the throttle body you will use much more fuel.
Let me know how these tests go
Posted on Jul 15, 2008
oNCE THE BATTERY LIGHT COMES ON, IT MEANS THAT THERE IS A PROBLEM WITH UR CHARGING SYSTEM. mOST LIKELY THERE MIGHT BE A PROBLEM WITH UR ALTERNATOR. u SHOULD LIAISE WITH AN AUTO-ELECTRICIAN
Posted on Jan 19, 2009
If is for a 3 series compact (318ti most common) then
P2799 is the intake air tem sensor 2
Which would explain the high idleing. Probably a sensor problem (bmw will charge) a competant mechanic should do it easily.
Posted on Apr 27, 2009
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