02 Silverado 5.3L slow to start

Posted in the Chevrolet Silverado Forum

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jsimpson

Waterloo, IA

This past week my truck has been hesitant to start, but the problem is intermittent. Sometimes it pops right off, other times it needs to crank for 7-8 seconds before starting.

Fuel filter, maybe? Truck runs fine otherwise, no noticeable lack of power once started. 125K miles.

GPThree

Baton Rouge, LA

I would think the battery is going bad, or low fuel pressure (clogged fuel filter/lines or fuel pump going bad).

Jon Simpson

Cedar Falls, IA

jsimpson wrote:

This past week my truck has been hesitant to start, but the problem is intermittent. Sometimes it pops right off, other times it needs to crank for 7-8 seconds before starting.
Fuel filter, maybe? Truck runs fine otherwise, no noticeable lack of power once started. 125K miles.

It was the fuel pressure regulator! When replacing, don't forget to OPEN YOUR GAS CAP. I got a face full of gas, even after I thought I had all the pressure bled off via the service valve.

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