1990 Audi Quattro Repair Question
Car stalls, low mileage
1990 Audi Quattro V8 Four Wheel Drive Automatic 110000 miles
Please help me find out why my car stalls. .
When weather is really cold, and the engine stays cold, with highway driving, it works better. When the weather is warm, or the engine warms up, the car stalls every time I come to a stop, unless I keep my left foot on the brake, and keep the engine revving with my right foot, at 800+ rpm. With warm weather, highway mileage now has dropped from 20 mpg to 10 to 13 mpg, and the plugs are becoming fouled.
My car: 1990 Audi V8 Quattro, 3.6 L
It could be that you have dirty fuel injectors.
Or it could be that you have a faulty coolant temp sensor sending wrong information to your car's computer, allowing the idle speed to drop low enough to stall out.
Either way you're going to need to take it to a mechanic.
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