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#1
08-10-2010, 04:25 PM
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Easy to start in morning, hard to re-start after runing? Help please
Hello,
My wife has a 02 Suburban 1500 with the 5.3. In the morning the car starts right up. If you shut it off between 1-10 minutes it starts up fine again. If you wait for about 15-20 minutes or longer you have to crank it over and give it some gas to start. No I have tried the turning the key 3-4 times to build pressure after it sits the 15+ minutes or so and it still has a hard time cranking. Any ideas. One guy sait the check valve in the pump allowing the gas to go back into the tank. But remember I have pressured it back up by turning the key and still has a hard time cranking. But in the morning it fires right up. Any ideas? Thanks in advance... 
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#2
08-10-2010, 05:45 PM
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Re: Easy to start in morning, hard to re-start after runing? Help please
Fuel Pressure Regulator might be leaking fuel into the intake. Check the vacuum hose to the FPR and see if there is fuel in it.
//2000CAYukon
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#3
08-10-2010, 07:01 PM
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Re: Easy to start in morning, hard to re-start after runing? Help please
Also have the ECT checked when hot.
__________________
57 Chevy 210 65 Olds 442 Convertible (Another one sold) 75 GMC Vandura 3/4 Ton 1999 K2500 Old Body Style Suburban (Gone but not forgotten) 05 Dodge Ram 3500/5.9 Cummins 2012 Toyota FJ Cruiser
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