1998 gmc truck

1998 GMC C3500
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BINK61
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  • 2 POSTS
starts and shuts right back off in 2 to 3 seconds there are no lights on like checkengine or security. starts eazy but shuts right back off.fuel pump stays running like it should
Mar 13, 2011 at 6:08 PM
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RASMATAZ
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  • 75,992 POSTS
Check and test the fuel pump and oil pressure sending unit
Mar 13, 2011 at 6:18 PM
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BINK61
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  • 2 POSTS
oil pressure goes to 60 & fuel pump stays running
Mar 13, 2011 at 6:25 PM
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MERLIN2021
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  • 17,250 POSTS
if the security light is out check fuse for it. perform key relearn by turning key to on position for 10 minutes then off repeat 2 more times and see if it helps.
Apr 28, 2011 at 10:32 AM