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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), GMC Mechanic
Category: GM
Satisfied Customers: 5787
Experience:  GM Grand Master Technician 2007. 14 years experience.
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I have a98 gmc sierra truck. it has been and to start. I

Customer Question

I have a98 gmc sierra truck. it has been harder and harder to start. I have check the fuel pressure and it has the correct pressure while running and when I turn it off . Ialso check the water temp. unit and I get 0 ohms across the terminal ,. Is this correct what is my next step? Oh I can smell raw gas when it does not start?
JA: How many miles are on the car? Have you had the fuel pressure tested recently?
Customer: 140000 miles Yes I check fuel pressure today
JA: What is the model of your '138000 GM?
Customer: 3/4 ton serra p/u 1998
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Test fuel pressure and I have the water temp. device out and I read o ohms across the terminals
JA: Anything else you think the mechanic should know?
Customer: no except I have put injector cleaner thru the gas tank
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the GM Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: GM
Expert:  Gary replied 1 year ago.

when its hard starting how do you end up getting it to start up ?

what was the fuel pressure reading key ON engine OFF ?

what size engine is in this truck ?