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I've got a 1990 Colt with the 1.5L 8V motor. Over the past year, I noticed it would get harder and harder to start when it was getting cooler. I've changed coolant temp sensors, ECU, and MAF onto the car from a known running vehicle. It made no difference. It threw no codes. I did find that if I unplugged the MAF, it would default and run. I ran it like this most of the winter until recently.

Now, at random, the car won't start. I check codes and it throws codes for the MAF (3 total) and 2 other codes for top dead center sensor and crank postion sensor. I'd expect the codes for the MAF. Are the codes for the TDC and crank position typical for the distributor? My repair book shows that they are in the distributor (even though I don't see a wire leading into the distributor?) Has anyone had similar issues and found it was the distributor? When it wouldn't start and threw the distr. codes I swapped ECU's just to check and that did not fix the issue. It threw the same codes and would not start.

The same thing happens to my '89 colt 8v. It's harder to start when it's cold, but I'm in Florida so it will start on the 2nd or 3rd turn. I'm interested to see if anyone knows what it could be aswell.