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MMackb23 replied to the thread 99 Tahoe 5.7 vortex P0300 code HELP.So, I replaced the injectors and fuel filter, pretty sure that took care of the problem, but now it’s got this tick that accelerates...
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MMackb23 replied to the thread 99 Tahoe 5.7 vortex P0300 code HELP.I’ll have to check that and get back with you tomorrow.. so everything I’ve done since replacing the engine, new wires, new spark plugs...
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MMackb23 replied to the thread 99 Tahoe 5.7 vortex P0300 code HELP.I did look inside the throttle body and it’s pretty gonked up rhough
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MMackb23 replied to the thread 99 Tahoe 5.7 vortex P0300 code HELP.And yeah as far as I can tell everything is intact and no leaks as far as intake and exhaust goes
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MMackb23 replied to the thread 99 Tahoe 5.7 vortex P0300 code HELP.
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MMackb23 replied to the thread 99 Tahoe 5.7 vortex P0300 code HELP.This is a brand new spark plug from cylinder 1, 1 of the cylinders that I’m getting misfires at
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MMackb23 replied to the thread 99 Tahoe 5.7 vortex P0300 code HELP.Could it be my fuel injectors are bad? Again though, I didn’t have this problem before I changed the engine
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MMackb23 replied to the thread 99 Tahoe 5.7 vortex P0300 code HELP.Sorry for the late response, been a busy week but here’s an updated data screen to temp
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MMackb23 replied to the thread 99 Tahoe 5.7 vortex P0300 code HELP.So this is what I’m currently looking at in park.
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MMackb23 replied to the thread 99 Tahoe 5.7 vortex P0300 code HELP.Okay yeah they’re original. Came with the new motor, I’ll get some, I also just changed the MAP sensor, what’s the best way to check the...
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MThey can seep oil over time, wouldn’t hurt to swap them if they’re original. They’re the same part for both valve covers. As others...
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MMackb23 replied to the thread 99 Tahoe 5.7 vortex P0300 code HELP.Will be here Monday, thank you!!
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Mhttps://www.amazon.com/BAFX-Products-Wireless-Bluetooth-Diagnostic/dp/B005NLQAHS?tag=tahoeyukonforum-20
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MMackb23 replied to the thread 99 Tahoe 5.7 vortex P0300 code HELP.Unfortunately I don’t have the OBD scanner anymore so now I’m at a loss
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MMight be helpful to post new short- and long-term fuel trims after your initial repair.
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