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Old 02-17-2015, 08:05 PM   #1
kevinr1970
Senior Member
 
Join Date: Aug 2004
Location: Everett, WA
Posts: 2,316
TBI fuel pump.. test?

In talking to guy about a '90 Suburban, he said the fuel pump was bad, but the truck runs real good.
I asked why he thought the pump was bad and he said that it quit running so he had a friend turn the truck over while he banged on the tank with his hand and it started right up?
He said if I wanted to see/hear it run he would bang on the tank while I started it.
Why would hitting the tank affect the pump working or not, outside of maybe a short in the wiring?
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2009 Honda Fit CfC (bsf 44.9 mpg)
2000 Tahoe Limited
1991 GMC CrewCab Dually 2wd, will end up swb, not dually and replace CCswb below
1991 GMC CrewCab Dually 4x4, just going to fix things up for now
1982/1989 K5/GMC Jimmy 2wd
1987 GMC 1/2 ton swb 2wd Crew (sold)
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