1998 454 hard start

Posted by Regan on April 14, 2008 at 07:08:32 from (207.167.7.199):

Last year sometime I was on this board and posted that my 98 GM was hard starting ONLY WHEN HOT. I was advised to change the oil pressure sender. I did that along with the module and the coil. No change. The engine starts good when cold. When the engine is warmed up, and then shut off it will start up right away. However if you leave it for 10 or 15 min. it will crank over for ever before it fires. Could this be some kind of vapor lock? I should mention that this is a 454 in in a GMC 3500 series(1998).

Replies:

• Re: 1998 454 hard start swcash 14:24:21 04/21/08 (0)
• Re: 1998 454 hard start Regan 19:39:36 04/14/08 (0)
• Re: 1998 454 hard start Hal (WA) 17:33:28 04/14/08 (0)
• Re: 1998 454 hard start Brian J 12:49:56 04/14/08 (0)
• Re: 1998 454 hard start Regan 12:16:05 04/14/08 (0)
• Re: 1998 454 hard start Michael Soldan 11:07:17 04/14/08 (0)
• Re: 1998 454 hard start Kentb of SWMO 07:33:11 04/14/08 (0)

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