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I have a 1993 80 2.0e auto which keeps cutting out when warm. It happens most in stop start traffic conditions and has my VAG trained fitter neighbour scratching his head. It has a new cat, new lambda probe, and shows up no faults on the VAG diagnostic fault code reader. It is however running rich according to the black sooty plugs. This is intermittent and simultaneous with the kangarooing when cruising (neither accelerating or decelerating). Although this kangarooing is intermittent(as is the black plug colour) it is becoming more frequent. My neighbour suggests changing the temp sender that supplies the gauge (the other has been replaced recently) but I am not convinced as the gauge appears to display temp accurately. Fuel economy is about 19.9mpg currently although that dropped to 13.4mpg towing my 1140kg caravan 200 miles recently. When smoothly and slowly pressing the accelerator, the engine initially picks up but then drops off only to recover after further pressing. Quick depressions in neutral are less likely to stall the engine than coming off the gas quickly. A sporadic throttle potentiometer fault did register twice out of many many tests, but the VAG reader shows a very reliable smooth transition from closed to fully open resistance readings.
My wife refuses to drive it for fear of embarrassing stalls. It is a lovely car to drive other than these extremely irritating faults. If I can't get it sorted, it's going to have to go.
Anybody got any suggestions?
My wife refuses to drive it for fear of embarrassing stalls. It is a lovely car to drive other than these extremely irritating faults. If I can't get it sorted, it's going to have to go.