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  1. D

    01 lb7 ecm into 03 truck

    Not sure what you mean by that. I’m not one to just say it is what it is.. that’s like accepting defeat which I don’t do. Gotta find out what needs to be done to I make it work.
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    01 lb7 ecm into 03 truck

    Can’t remember. I’ll have to put it back in and see. I got the ecm from my 03 in it and it works with that one
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    01 lb7 ecm into 03 truck

    Like I said it won’t turn over with the key.. I can jump the starter and it runs fine but when I did that the dsp5 switch didn’t do anything when I switched to any other level and in the previous truck when you switched the level with the switch you could hear the change in the way the motor was...
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    01 lb7 ecm into 03 truck

    I attempted to respond the other day but for some reason it didn’t post.. I had the vin number on the ecm changed..
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    01 lb7 ecm into 03 truck

    so I’m wondering if someone can help me out here.. so I’ve got a 03 Silverado 3500 and I bought a 01 Silverado 2500 that was wrecked and I put the motor in my 03.. didn’t have any issues swapping besides when I put the ecm from the 01 into my truck.. it won’t start with the key.. with my old ecm...
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    Thumping noise coming from intake

    So my truck started making the same noise again.. took off the driver side valve cover to find that cylinder 6 exhaust valve rocker is missing the piece on the bottom that contacts the bridge.. anyone have any idea on why now two of these pieces have fell off?
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    Thumping noise coming from intake

    Yup was still there and bridge was perfectly fine somehow.
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    Wiring for egt probe

    Anybody know the pinout for this plug. From my egt probe to my cts 3 cord? My plug got cut off and is nowhere to be found. Can’t find the color pinout for it anywhere.
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    Thumping noise coming from intake

    Yeah the nut was tight. I re adjusted all the valves. So far so good!! She’s running great again!! Thank you guys.
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    Thumping noise coming from intake

    Surprisingly looked fine. Almost finished with it. Just gotta put the air filter on and start it.
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    Thumping noise coming from intake

    Exhaust valve on cylinder 1
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    Thumping noise coming from intake

    Well I found it. Left one is the one I just took out. Right is off my parts motor.
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    Thumping noise coming from intake

    I definitely don’t think it’s normal my last motor never sounded like that and this motor didn’t sound like it does now until randomly it did a week or two ago. Don’t think sounds like that appear for no reason and are normal. Gonna take the valve covers off I think and see if I can find out...
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    Thumping noise coming from intake

    Hoping someone can help.. I’ve got a thumping noise coming from my air box that started randomly the other morning. it’s a 01 Silverado 3500 lb7. Did a compression test already and all cylinders were between 310 and 325 3 cranks cold.. it does it warm and cold. Does get faster when rpm’s...
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