Trouble Starting - 2002 4.3L Safari

Trouble Starting - 2002 4.3L Safari

Postby oneilldm [OP] » March 11th 2013, 10:44pm

My van use to start up on the first twist of the key. Now it can take two or three tries.

If I've been driving and I stop and run into the store... it seems to start normally when I come back out. It's usually only after the car has been sitting a while. Although... sometime when I come to a red light that I know is going to make me sit there for a couple of minutes... I'll cut the engine off. It will start back up ok but when I go to accelerate it starts to bog out.

Other than the fuel pump and filter... is there anything else that people have found that causes this problem with this engine?

Thanks
2002 GMC Safari SLE 2WD
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Re: Trouble Starting - 2002 4.3L Safari

Postby oneilldm [OP] » March 31st 2013, 12:21am

Update - Today my Check Engine Light came on. I'm getting p0171 & p0174 codes (... too lean).
Any suggestions where to start? Common vacuum leak...?
2002 GMC Safari SLE 2WD
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Re: Trouble Starting - 2002 4.3L Safari

Postby chevymaher » March 31st 2013, 12:22am

Fuel pressure check.
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Re: Trouble Starting - 2002 4.3L Safari

Postby Corsemoto » March 31st 2013, 1:38am

I second that emotion
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Re: Trouble Starting - 2002 4.3L Safari

Postby 2002Safari » April 1st 2013, 4:44am

Check your fuel filter, as it may be causing low fuel pressure.

Take a look at http://repairpal.com/OBD-II-Code-P0171-and-P0174
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