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Hard/impossible nearly to start 740 Regina, runs fine when started 700 1992

posted by  mr.zorak on  Wed Dec 31 04:02 CST 2008
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last visit: Thu Jul 3 10:08 CST 2014
[RELATED]

The 740 runs when started, but is almost impossible to get started. I cleaned the throttle body and it fired up fine about a week ago. I went out this AM after it sat unstarted a few days (about 40 degrees temp) and it would not turn over. I have read problems concerning the cold start injector and/or the fuel pressure regulator. When I turn the key on, I do hear the fuel prepump in the back of the wagon turn on and then shut off (like it always does). I have to crank and crank before it starts, and then it runs like a top. What is the easiest way to diagnose a FPR problem or a pre-pump problem? Or am I missing something obvious? The relay is brand new. I have not pulled any codes, in the check engine light is not lit, although I will check it this afternoon. It seems to me in my simple mind to be an electrical or fuel problem. I am putting the emphasis on EASIEST. Thoughts?
--
93' 240 Classic Wagon 220K & 92' 740 Wagon Regina/Rex 90K






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