Question about 1987 BMW 3 Series
I have a 1987 BMW 525e that produces black and smelling balck smoke. If also has bad idling and hessitates when accelerating. The problem first started when mechanics installed a starter relay after the car had starting difficulties. I requested them to remove it and the smoking stopped. But the starting problem did not go away so I went to another mechanic who also installed the starter relay and the problem appeared again. Likewise I requested them to remove it and the smoking problem stopped. I left teh car with them to see how they could repair the starting difficulties but they failed. Unfortunately when I got my car back, the smoking problem and hessitation on accelation was seen. They claim to have changed the injectors, one sensor on the engine that I forgot the name of, checked the wiring, etc. But the problem of smoking is still there. In addition, my temperature gauge does not show the temparature anymore. Can anyone tell me what the problem could be? Your help will be appreciated.
Ther are 2 sending switches at the front of the engine pop them off and look in the ends of the 1 of them has one prong the other has 2 make sure they were returned to the correct unit as they will plug on to each other. I had this same issue it also will effect how the car runs as the 2 prong one goes to the ECM to adjust the fuel mixture when the engine is cold.
Posted on Dec 08, 2008
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