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08 lmm with a po341 after rebuild. And no start.
Been thinking about this. Has the cam's reluctor wheel spun possibly? Getting 2 pings from the crankshaft sensor for every 1 of the camshaft? I know they come loose on the LBZ's, but I haven't seen how the LMM's work. Curious about this spring you mentioned too. Mine would have cam signal and...- acprokeith
- Post #45
- Forum: LMM
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08 lmm with a po341 after rebuild. And no start.
You are getting the full cam signal at the right time? I'd bet it's a harness issue. Wire plug should have 5v on one terminal, ground in center, and 5 volts on the other as well (signal to the ecm has 5v on it on mine). Have you looked at the pin out on alldata and checked the harness against...- acprokeith
- Post #43
- Forum: LMM
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08 lmm with a po341 after rebuild. And no start.
Any luck either of you? I'm willing to try anything at this point. Same symptoms and results with an LBZ Been through the entire truck, harness from sensor to ecm has continuity, 5v signal is there, ground is too. Tried a new ecm, few new cam sensors, new crank sensor (from GM), checked both...- acprokeith
- Post #41
- Forum: LMM