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Re: 1997 gmc k2500 cranks but won't start, need some help!
Quote:
Originally Posted by bluex
If you cant hear the pump running, it or the relay is bad. It could also be the oil pressure sender, but the pump should still prime.
Have/can you check the fuel pressure?
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I have not check the fuel pressure. And it has a brand new oil pressure sending unit that I put in when I did the overhaul. I have only put about 1,000 miles on it since I bought it a year ago.
Also when I bought it had a newer fuel pump in it. (They cut a hole in the bed to changed it)
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1997 GMC Sierra SLE K2500, 350 Vortec, 4L80E 
1978 Chevy Silverado K10, K20, K30... 400 SB, Turbo 350 (my hybrid) 
1973 Chevy Custom Deluxe K20, 350, SM465 (parts)
1988 Chevy Scottsdale C10, 4.3, Turbo 400 (parts)
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