1997 GMC JIMMY
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DAVIDMCCOY
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97 jimmy 4.3 runs when you pour gas into throttle body, fuel pumps is putting out 55 to 56 psi.has spark at plugs.replaced fuel filter.checked all fuses.could this be the fuel regulator?
Jan 28, 2013 at 10:36 PM
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HMAC300
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fuel pressure if csi is 60-66 psi minimum if sfi it shold be 56-62 min. which do you have? vin will tell what sfi or csi
Jan 29, 2013 at 2:55 PM
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HMAC300
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scan for codes too
Jan 29, 2013 at 2:55 PM
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