Fix my GM 6.5 diesel

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The number one thing at the core of most all the cascading issues of the GM 6.5 Diesel is the lift pump

Don't waste time testing fuel pressure - junk the OEM pump and replace it with a Sure Cure Lift Pump solution - 95% of the time it will start if the batteries are fully charged to crank the engine at 200 .rpm and above and you have good glow plugs

If not the PMD Is blown or has loose connections and / or a bad calibration resistor -  actually caused at the root by the lift pump too - replace or repair it and it will start

95% of the time start with getting rid of the OEM lift pump completely

If you have bigger problems than that above - this article will not help you

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