1986 GMC Sierra heavy gas smell

1986 GMC SIERRA
18,800 MILES • V8 • 2WD • AUTOMATIC
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MAARGUIJO
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  • 1 POST
Their is a rich fuel smell
Jul 21, 2009 at 5:40 AM
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GRAYTA
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  • 13 POSTS
I would take a look at the fuel pump while it is running. There is a weep hole on the topside of the pump, and when the diaphragm wears out it will leak out the top, sometimes squirting pretty good.
Jul 23, 2009 at 4:19 AM
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