I do not here fuel pump and throttle positioning valve makes noise and 15 pounds while trying to start
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1998 GMC Jimmy Question: my jimmy will not start i have 20 pounds pressure on at test
Answer #1Action702 May 10, 2014, 19:26Journeyman
20 psi on your fuel guage tester?
Answer #2goodguy May 10, 2014, 19:33Master
sounds like you need a fuel pump
Answer #3torque wrench from Stewart's Auto Repair LLC, May 11, 2014, 06:21Master
check the pressure before the fuel filter, if you get readings in the mid to high 50's replace the filter. If still low replace the fuel pump. 20psi is not enough pressure to open injectors. Also check fuel pressure regulator and reyurn line check valve.