Recent content by Tapps33

  1. Tapps33

    Strange errors occurring randomly 2012 LR4 HSE

    Nice find! Glad you got it! Those grounding issues are ALWAYS a pain to track down!
  2. Tapps33

    Strange errors occurring randomly 2012 LR4 HSE

    Everything you’re describing sounds like there’s a CANBUS issue…which is usually caused by some sort of corrosion. Typically it’s a corroded ground, but every now and then, it can be a bad module. The usual suspects are the ground points behind the passenger and driver’s footwell kick...
  3. Tapps33

    Strange errors occurring randomly 2012 LR4 HSE

    I saw your other post directing me here, just wanted you to know! This has got grounding issue written all over it. If the car stays running and just the displays shut down, then as far as I can tell, your BCM is most likely fine. If it goes out, the car is gonna quit as EVERYTHING talks...
  4. Tapps33

    5.0 supercharged into an LR4?

    Actually, it’s significantly easier than the NA to SC swap. Let me caveat this with, i haven't done it myself, but the systems and software interface in the SDD tool is all the same Swapping a V8SC into a V6SC’s place is ALMOST plug and play. The intercooler pumps and plumbing are all the...
  5. Tapps33

    Struggles to start and single bank misfires only when cold?

    I went ahead and pulled the live data for the throttle body. This is before start with the engine on Here’s the data for “high idle” just after start: And finally, here’s the info for idle: It sorta seems to me that the throttle is open more than it’s supposed to be? This causing the...
  6. Tapps33

    Struggles to start and single bank misfires only when cold?

    Ok folks, I've been trying to locate this particular gremlin, and I'm hoping someone else has experienced it. It started shortly before I swapped my chains out roughly 25K miles ago...or about 3 years ago. (Yes, I've been trying to sort this for a while) Here are the symptoms: When it's cold...
  7. Tapps33

    Misfires on one side 3L SCV6 2015

    On mine, I was getting misfire codes every time I started up. Along with “too rich” on both banks. I started with the O2 sensors as I thought I had good MAF’s. Even though there were no O2 sensor codes, almost all my misfire codes went away. Then, I swapped the MAF’s out and all was good to...
  8. Tapps33

    Entire bank 2 misfire

    So, I’m jumping in here as I’ve been trying to diagnose something similar in my 2010 LR4. So, this started about 3 years ago. I thought I’d get it when I did the chains. FYI, when I did the chains, I replaced the injectors, plugs, coils, can variators, water pump, front and rear cross overs...
  9. Tapps33

    Finally finished, Bosch for Denso Infotainment Swap

    I totally agree! That's the tact I'm taking with my 2012. The engine....which I almost had running and had to break it down again....then suspension....Brakes are sitting in the garage waiting to go on, but need be able to afford the new 22" tires for it first....then the rest....So much to do...
  10. Tapps33

    Finally finished, Bosch for Denso Infotainment Swap

    Ok, one final post and this one is important if you're thinking of doing any sort of OE system upgrades. So, while my system has been up and running for a year or so now, my son has had the car at school, and I only got it back this summer. One of the final "glitches" I've been trying to...
  11. Tapps33

    Finally finished, Bosch for Denso Infotainment Swap

    Honestly, now a days, there are a lot of aftermarket units that will function with our systems. There are so many different ones, I don't know that I could recommend one over the other as I have never personally tested them. I know a lot of guys like the simple bluetooth dongle that allows...
  12. Tapps33

    Project Dark Knight Rising

    Hey All! It's been a hot minute, and I've been making progress, it's just been slow. Hand sanding the block is taking forever, especially since I can only get to NJ roughly every other weekend. That said, the left bank was way out of whack all over, and I'm just now getting it back into...
  13. Tapps33

    Exhaust solutions?

    My plan for my "milder" LR4, is to install 2 aero turbine 2.5" mufflers in place of the stock muffler and resonator. Then install two 2.5" aero turbine resonators just before the end of the exhaust pipe. That'll open it up, and should sound A LOT better, but not have too much drone.
  14. Tapps33

    Bad ECM or something else?

    They will get hot, but typically they’re only gonna get hot when you’re really Pushing the engine hard and it’s hot out. Sitting at idle, there’s no requirement for charge air cooling as the SC really isn’t working, and hence the pump will not turn on. If the pump’s not on, it won’t push...
  15. Tapps33

    Bad ECM or something else?

    A couple thoughts… I think you’re looking in the wrong place. If the whole OBD2 system is down, I would be checking the connector ground behind the footwell kick panel. (Both sides just to be safe). The PCM being down won’t cause full loss of communication, heck I’ve only had 1/2 my modules...

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