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  #1  
Old 01-11-2013, 07:12 PM
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HELP! major problems

Im going crazy, over the last month I been installing some new parts. I just completed the install which was Ported heads, Srtmax plus cam, AR headers and Catted mids, paramount TCM, paramount stage 2 Valve body, paramount TC 3000 stall. We pulled the engine installed the cam and timing chain assembly, replaced every seal and installed the heads. installed the tranny and parts. The headers were next, what a pain in the butt! Got everything together and installed a base tune from Johan, here came the problems. After a bit of running I got P0325 bank one sensor 1 knock code, the idle was surging up and down and would die when i go in gear without giving it gas. I hit the highway and data logged 13.50 degree LT knock while moderate acceleration and up to 5 degree at idle and my base spark goes in the negative when idling while bouncing up and down. I replaced the knock sensor and inspected the plug and wire all good. Stumped i replaced the MAP sensor and still the same problem. I only run 93 octane and never had any issue of knock before swapping parts. Where do i go next, I sub co tract for a dealer and the techs are lost. Help!!!!!!
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  #2  
Old 01-15-2013, 02:00 PM
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Re: HELP! major problems

Double check the crank sensor,ecm uses that signal as a basis for all "timing" based events like ignition and injectors.
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