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Discussion Starter · #1 ·
My 03 Silverado 1500, 4.8 started fine in the mornings, would run great until shut off. Next time it won't start. Turns over but seems to not be getting fuel. A few hours later or next morning will start and run great. One of those times it did throw a security code but hasn't again.
Anyone else experienced this? I need help!
 

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When it won't start, try spraying some starting fluid into the throttle body. A little, not a lot and not more than twice.

If it starts, you will know that its a fuel problem and not an ignition, timing or compression problem.

Rick

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