The latest 'charactor trait' of my '92 740T wagon...it won't start when I've parked on a slope where the engine is higher than the tank. The engine starts right up when I park on a level or a downward grade, and after I move the car to either position. It's pretty obvious that I have a fuel delivery problem. However, the car runs fine otherwise so I don't think the fuel pump is the problem. I think I've got a leaky fuel line and I'm drawing in air someplace (and likely squirting out feul when the engine is running). Anyone ever experience this problem?
740T won't start when parked on a slope
Oct 16, 2006
2 Replies
Does the problem occur when the gas tank is full?
If not, I would suspect a tear or separation in the rubber fuel connecting line in the trunk, at the fuel pump.
It is a common problem.
My guess is that you have a bad pre-pump in the tank.
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