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940 brake booster needed/what purpose does this perform 900

posted by  metacomet on  Wed Jan 29 23:39 CST 2003
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I am a nonmechanical person. I own a 940 non turbo sedan. During cold starts recently during warmup the car starts fine but then cuts out. It starts right up
but as i get moving the cars rpm swings widely as I apply the brake and then cuts out. When the car warms up it gets better the car does not cut out but the tach fluctuates when appling the brake. I have been told that I need a new brake booster. My question is would a bad brake booster cause the engine to cut out during warmup as well as when I am braking.? What is the purpose of the brake booster. Thanks for your help






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New 940 brake booster needed/what purpose does this perform [900]
posted by  metacomet  on Wed Jan 29 23:39 CST 2003 >


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