Question about 1993 Chevrolet G20

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I have a chevy van g 20 with a 350 engine. It drive fine at time but it will start loosing pressure and it turns off and start chocking. I placed in in the computer and it said it was the fuel pump. I changed the fuel pump, stainer, and filter and it continues to turn off and choke while driving. It can go days working fine and then it stats again.

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Loosing fuel pressure, have you replace fuel pressure regulator, if the regulator is bad, it will have not enough pressure in between the injectors and the regulator. the fuel regulator maintain a proper pressure so the injectors will spray the correct amount of fuel every time the computer tells its to. weak pressure will cause injectors not to spray correct amount of fuel into the intake although will cause your engine to starve for fuel just like you have explained. the parts cost around 135 bucks and easy to replace.

Posted on Sep 25, 2009

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