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Re: 1996 Suburban wont start
You really need to check fuel pressure at the injector rail. With the key on and the engine off (sorry about that) the pressure should be around 55-60 psi. Keep in mind that the pump will only run for a couple of seconds without the engine running so you may have to cycle the key several times to get a reading. You've replaced a lot of stuff but I don't see a mention of the fuel filter?? Another possibility is a theft deterrent system??---------Steve
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