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Hi,
My car is an 81 240 dl wagon with 107k. It's been having fuel related
problems for about 1 year. Initially it would not restart intermittently.
I pulled the in tank pump and found the hose and filter nearly destroyed.
I figured that out from finding a relation between the amount of fuel in
the tank and the incidence of occurrence. I also replaced the relay.
Somewhere along in this period another infrequent problem became more
frequent. The motor would start in the morning but would barely idle and
would not rev. I put it in neutral, nursed it to rev normally and then it
would be ok for the rest of the day.
Also fuel related but I think a different symptom was black smoke from
the exhaust after a rough start. This only happened 2 or 3 times. After
this stopped the car was pretty much normal.
The other afternoon after sitting for a couple of hours, it would not
start but it had spark at all the plugs and was getting fuel in the
cylinders. I thought it was flooding. A couple of hours later it tried to
kick but couldn't quite make it. I puzzled about that overnight and the
next day had an idea that if I removed the cold start valve electrical
connection something might happen. Sure enough it started.
I think there's a temp sensor in the cold start loop. Would that or the
valve be the more likely culprit or something else? Where is the temp
sensor? my manual doesn't seem to show it . Is there a microfiche on the
internet?
Thanks,
Hal
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