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what changes after warmup that effects fuel delivery? 200

posted by  3volvos on  Fri Oct 24 11:12 CST 2008
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last visit: Wed Jan 28 00:45 CST 2009
[RELATED]

Fellas:
I am at the end of my wits and she is going to the shop tomorrow. I am curious what change take place at idle in park after the car comes to temp. Most of you know about my stumbling under load problem. Yesterday I even changed the main pump. So now both pumps, filters,AMM have been changed. Here is the kicker....
I came home from work this PM and went to the garage. Its roughly 50 degrees outside. I started her and she idles perfectly. I can even drive her around the block with no problem(WHILE SHE IS COLD). I let her sit in the garage just under normal idle(she does perfect for 10 mins. Then I can hear the idle change slightly. As soon as I walk over to her and either rev her up quickly or put her in gear and press the gas she dies. It will restart immediately and idle fine in park, but will not move under load(darnit). As mentioned before if I squeeze the return line on the fuel rail she will run perfectly even under load. My problem seems to be electrical and not related to fuel delivery though i didnt recheck the pressure. I can hear the change standing next to the car, and it does it when the vehicle reaches operating temp. I have been online for weeks lloking for a Brickster with similar issues but can locate anyone. One of my buds thought it was related to fuel but i told him it would always have problems, but mine only gets funky when the car comes to temp.

Help in Cleveland






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