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Re: 96 gmc jimmy 4dr 4x4 cold start throttle down
well it is up and running. Fuel pressure regulator helped it keep above 55lbs of pressure for at least 7 mins. The main reason it would not start and stay running is totally different however. Not something u would think it would be. There was a leak in the heater core hose on the water pump that leaks a little not a lot. But enough that if it sits for more than a couple days it leaked below the coolant temp sensor reading level. It was enough to start it but not keep it running. Once I topped off the coolant squeezed the upper hose to push some coolant back it fired right up and stayed running. Has been perfect past couple days.
Thanks for all the help Guys appreciate all tech info.
Chris
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