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Message: [QUOTE="elrodalexander73, post: 1323038, member: 16217"] Ok.... Low power checks 7.3... Hmmm, check fuel pressure at the shrader valve... Is it between 55 and 65 psi at around 1600rpm?? You need to see the ICP and is it holding steady, does your commanded IPR when it changes does the ICP change fairly quickly as well... If it doesn't with stock injectors that's a darn good indicator that your hpop isn't happy. You could have debris too in the screen of your IPR causing a slow response from your IPR. You can take brake cleaner and go around the silicone intake seals where the intake bolts to the intake and spray it around gently with a straw and if the engine speeds up you have a boost leak.. On trucks these old I know that silicone is starting to give way.. Unplug the ICP sensor and check for oil in the plug and inside the sensor plug itself... This is an indicator of a failing Oil pressure sensor.. You need to be able to see oil temp as well to see if it's reading correctly as on stock trucks this particular signal controls your injection timing and how advance you have.. Hope this helps. [/QUOTE]

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