I have a 1990 740 GL. This is a non turbo car. It started giving me problems starting. If I got is started it ran fine. I have changed the fuel pump relay, pressure regulator, fuel filter, and the fuel pump. This is the single pump regina system. It seemed to work fine for a couple of days, now my has the car at college and had to have it towed back to campus. It would not start. Someone mentioned the ECT sensor. Is this difficult to change and how expensive is it. I am about ready to take to someone to diagnos before a spend more money. I had the relay and regulator, but had to buy the filter and fuel pump. Any other suggestions would be appreciated. You can email me at science@bytheshore.com or post.
Thanks
Lou
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