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  1. 0

    Injector (P0204) and Misfire (P0300) help needed; 2015 - L83 Engine (5.3L)

    Problem has been solved. My plan was to replace the two injectors that were coding again. Being a DFI engine, the intake has to be removed to expose them. Last time I paid someone because of time constraints. This time I did it. Got the manifold off in about 30min. The wiring harness that feeds...
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    Injector (P0204) and Misfire (P0300) help needed; 2015 - L83 Engine (5.3L)

    Would anyone know of a good diagnostic shop in Northeast GA or SW SC that could help me? I am at my wits end. What baffles me and leads me to believe it is not mechanical in any way is that I can do a crank sensor relearn and it runs fine for about 20-30 minutes and then goes into misfiring and...
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    Injector (P0204) and Misfire (P0300) help needed; 2015 - L83 Engine (5.3L)

    Ok, scratch that theory. Was doing it this morning in 26 degrees. Ugghhh! I'm about to burn it to the ground!
  4. 0

    Injector (P0204) and Misfire (P0300) help needed; 2015 - L83 Engine (5.3L)

    Temps the last few days have been colder than normal with highs just being mid 40's. The truck has been operated in the low to mid 30's. The problem has not occurred in this colder weather. Would that indicate a problem that points more to a Mass Airflow (MAF) Sensor or Intake Air Temp (IAT)...
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    Injector (P0204) and Misfire (P0300) help needed; 2015 - L83 Engine (5.3L)

    Anybody?
  6. 0

    Injector (P0204) and Misfire (P0300) help needed; 2015 - L83 Engine (5.3L)

    Drove it some with the OBDMX hooked up to monitor several PIDS; although not real sure what I'm seeing. I definitely see different results before and during the occurrence. There is a "Fuel System Status 1 /2" PID. It shows 2.0 when it runs normal and goes to 8.0 as soon as the CEL starts...
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    Injector (P0204) and Misfire (P0300) help needed; 2015 - L83 Engine (5.3L)

    In the last few days the problem has gotten significantly worse and two new symptoms have surfaced. There is a prolonged start where the engine turns over for about 3 solid seconds before firing (seems like it is not getting fuel but does not do this every time; maybe 1 out of every 6 times. The...
  8. 0

    Injector (P0204) and Misfire (P0300) help needed; 2015 - L83 Engine (5.3L)

    Our 2015 LTZ has 175k miles on it and until the past few months has been flawless aside from the Magnetic Ride Control. We bought it used in 2017 with 80k miles on it and I immediately tuned it (93 Perf/Tow from 5Star) and disabled the AFM. The truck has been great and had plenty of noticeable...
  9. 0

    More MagnaRide delete questions

    Ok, folks....installed the Xineering delete resistors. Lemme tell ya.....ride is superb! Havent installed the Fox struts yet as I wanted to see what a difference just taking the electric current away from the MRC was. Left my rear ride sensors connected so that my auto level still works. Pulled...
  10. 0

    More MagnaRide delete questions

    Ok, Xineering full delete kit on the way along with Fox front struts (985-02-018). Not sure what I wanna do with the rear yet.....Fox's to match or AC Delco non-magnetic air rears. Will circle back once the front is done. Going to put the rear shock resistors on the rear to start and leave the...
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    More MagnaRide delete questions

    Reviving this thread as the worked solutions are still limited. Struts are toast. After the flash, there was noticable improvememt, but mechanically, they have finally failed. My question.....how do I get Bilsteins to work up front as they are not the complete strut assembly. What components...
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    More MagnaRide delete questions

    @TheEngineer......that is great info! Thank you for sharing! I had a weird turn of events right after posting this. We were on our way to the airport to depart for a cruise and the tranny went kablooey. Got it towed to the dealer, missed our flight, but still made the cruise....just barely, but...
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    Do you guys have a way to delete 15+ magnetic ride

    Never thought to look in here for info since I have a 4WD. I posed a question in another thread. Maybe folks here can offer some assistance from their experience. https://www.tahoeyukonforum.com/threads/more-magnaride-delete-questions.107060/
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    More MagnaRide delete questions

    I have a 2015 Tahoe LTZ (100k miles, so far out of warranty). It has the MagnaRide on all 4 corners with the air assist rear; Z95 I think. The truck has a 3" Rough Country lift and 305/55/20's. At one point in time, it rode decent/acceptable considering the lift. The ride height sensors were...
  15. 0

    Best handheld tuning options?

    5 Star Guys are great. Have dealt with Unleashed and MPT and 5 Star will continue to get my business. I just got a 3rd revision 93Perf tune (after datalogging) for my wife's truck and they nailed it. Huge improvement that you can truly feel in the seat of your pants. Heck....even their 87...
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    Best handheld tuning options?

    I run the Bully Dog BDX and tunes from 5 Star Performance on my wife's 2015 Tahoe because I use the same on my 2016 F150 with 3.5 EcoBoost. Two programmers, two vehicles. Very happy with them and 5 Star is a class act.
  17. 0

    Getting rid of magmatic shocks

    I'm pretty sure the rear is also Magnaride with air assist. http://www.roughcountry.com/gm-suspension-lift-kit-219c.html
  18. 0

    2015 2016 2017 Chevrolet TAHOE LED Lights TRUE MATCH HEADLIGHTS & FOG LIGHTS

    Tried Live Chat 3 different times.....no response.
  19. 0

    Getting rid of magmatic shocks

    I've got a 2015 Tahoe LTZ with MagnaRide and a 3" Rough Country Lift and 305/55/20's. Rides like a horse and buggy......did so before the lift, so its not ALL in the lift. Most of the problem is in the rear. Going over speed bumps and you'd think there are no shocks back there. It comes over...

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