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Old 05-31-2011, 10:28 PM   #1
crisco
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Join Date: Nov 2006
Location: rochester
Posts: 71
Hard starting 87 TBI Suburban

My 87 suburban with a 350 TBI has an odd problem I can't nail down.

If I get in, turn the key, and crank it won't start for a good 5 seconds.

BUT if I get in, and only turn the key to the crank position for a second, wait a second, then do it again it starts instantly.
It seems like the pump isn't priming unless its cranking?

Any ideas?
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