sixmen

hi everyone,i have a 5000cs audi,when i drive the car,in about 10 minuits the car would just cut out.i would start it again,drive for about the same time,and it would cut out again,the hotter the car get the more it would cut out.need help.

boxerfan

Pull codes... search forum for technique... hth.

865ks

What condition is the cat in?

SteveJ_in_TX

Common problem on these cars.

Or your fuel pump relay is heating up.

What is reading on the temp gauge when this happens?

Also, is it like hitting a brick wall? Or does it do the 'stumble stumble stumble die' thing?

How long has it been doing this?

Is the gas in the tank new?

Have you bought your parents a Christmas gift yet?

sixmen

the fuel pump would just start humming then the car would cut out.

RussB

I recently encountered similar but less frequent unexplained loud fuel pump hum for about 30 seconds, followed by the engine dying.

I have no idea of the age of the fuel pump, but suspect that it may have been the one that was fitted to the car when it was built.

I replaced the fuel pump and the fuel pump relay and the problem has disappeared. While we had the old pump out, Tom Serrago and I examined the interior of the tank with a flashlight and, contrary to our expectations, there was no sign of the fuel tank lining disintegrating.

YMMV.

My car: 1988 5000CSTQ

sixmen

this month is one year old for the fuel pump,and a new fuel filter,also i put in a new fuel pump relay.all of this was done last year.