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Yes broken connector. Just replaced it.....difficult to find replacement....

Hello.....the injectors are wrong. I was given wrong data. They are from a 2004 and are underrated for my application I know realize. I'm going to have to order a set.

Thanks again. I did purchase an upgraded fuel pump I've yet to install. I figured I would need upgraded injectors and was unclear which ones to purchase...….For some reason I read the 6L injectors...

Thanks for the reply. As for break in..... I plan on running the truck for the summer and over the next winter I'll add a turbo kit I've purchased. I was hoping to get the truck to at least idle so...

Yes motor is Gen 4. I've installed Lingenfelter crank trigger switch. I'm using stock MAP sensor from LM4. My intake is stock with cathedral port. I have adapter plates from square heads to cathedral...

New to HP Tuners......Installed a factory GM crate LS3 525 crate in 2003 Sierra. Using factory 6.0 intake for break in motor. Can't get motor to idle. Stock 6.0 injectors and MAP and injector...