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1989 740 b230f auto, cranks but wont start when fully warm, starts fine cold.

I have an 89 740 GL that wont start fully warmed up. I know it isn't the in tank fuel pump or the in-line pump and filter, replaced them as a preventative measure since they were original..but the issue continues. The fuel main relay is fine, I have swapped out relays with my other 87 740 volvo which runs. I swapped out coils, then the coil wire, still no start warm/hot...but cranks fine! Any help would be greatly appreciated. I can swap parts out easily for both cars are next to each other in the garage! :-)






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New 1989 740 b230f auto, cranks but wont start when fully warm, starts fine cold.
posted by  dodger1  on Fri Jun 1 14:24 CST 2012 >


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