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  1. Jimmy Brooks

    Persistent misfire under load only

    the tool won’t even go as far as giving me a misfire counter for live data… I’m going to purchase this new tool to properly diagnose. In the meantime, does anyone have any ideas why fixing a small leak in the PCV system would make a misfire/stutter in rpms so much worse?
  2. Jimmy Brooks

    2016 LR4 Landmark SCV6 Engine Failure at 65k. WWYD?

    When you do this make sure the hood is open.
  3. Jimmy Brooks

    Persistent misfire under load only

    What does the codes mean vs gap. If I got a code for misfire on cylinder 4 on the gap tool would that mean drivers side middle cylinder or drivers side front cylinder? I wouldn’t have a problem pulling another injector if it is the middle cylinder
  4. Jimmy Brooks

    Persistent misfire under load only

    Is the SSD cheaper than the upgrade?? I’m just not trying to spend more money than I have to on a tool that realistically I would only be using on one car. I can’t get the money back that I already spent on the gap tool.
  5. Jimmy Brooks

    Persistent misfire under load only

    I read the forum and I did the thing where you unplug the coil and see what it labels each cylinder. When I did it I unplugged cylinder 2 on the V6 layout and it called out cylinder 2 when I put the ignition on engine off. Did the same for cylinder 3 and it labeled it cylinder 3. Do you think...
  6. Jimmy Brooks

    Persistent misfire under load only

    It’s because this is discovery 5 and I’m using a gap tool G3 which doesn’t have the full reading capabilities, I know it’s weird but the information it provides is accurate, the actually issue is that it doesn’t provide much information. What I mean by that is I don’t have access to all of the...
  7. Jimmy Brooks

    Persistent misfire under load only

    SCV6 Hey all, Just have some more updates: So I was snooping around last night and found that the PCV system had a leak. The pipe that comes off of the intake duct and goes into the PCV system for bank 2 was cracked where the male side of the pipe fused to the intake duct. I sealed it shut...
  8. Jimmy Brooks

    Persistent misfire under load only

    Update: no difference. I replaced plugs coils and injectors, nothing. Side note: I noticed that if I put the car in park and put my foot on the throttle in a fixed position rather than the rpms going to a certain speed and remaining there they will actually fluctuate about 300-500 rpms. When I...
  9. Jimmy Brooks

    Persistent misfire under load only

    Update: I am a huge *****. I’ve been doing research on the issue trying to make sense out of everything before pulling the trigger to upgrade my IIDtool. While doing research I had an idea to check if I had any lean/ricg codes stored in the PCM when I took a screenshot of the misfire code last...
  10. Jimmy Brooks

    Persistent misfire under load only

    I would’ve provided this data already but unfortunately the G3 gap tool shows limited live values on the D5. I’m going to have ti talk to the Gap team about upgrading, I’d really like to get the discounted trade in price for the G4 tool. I believe the discounted price is around $170 while the...
  11. Jimmy Brooks

    Persistent misfire under load only

    I know, which is why I did coils plugs and injectirs on cylinder 3 on the V8 pattern and the V6 pattern no difference.
  12. Jimmy Brooks

    Persistent misfire under load only

    Hey all, Getting a lot of similar symptoms with a D5 which has the SCV6. The misfire only happens under load and is mostly noticeable when the car is cold (oil is below 180) when first starting to drive. The misfire only happens around 2500-4500 RPM when under load in any gear from 4th to 6th...
  13. Jimmy Brooks

    Door deadening

    I did mine on the inside of the door cards because they would rattle like crazy with my music turned up.
  14. Jimmy Brooks

    Coolant Temps

    Good to know, thank you @Rover Range . I’m guessing it runs higher temps because of the colder intercooled air? Does the SCV8 run this way as well?
  15. Jimmy Brooks

    Coolant Temps

    did you ever figure this out? I’ve got a 2017 Discovery with the SCV6 that I just replaced an injector on. While test driving it I was running temps and started to notice that the coolant temp climbs to pretty high temperatures. Was climbing up a hill for a couple of minutes and the temp touched...
  16. Jimmy Brooks

    Diagnostic Trouble Code: B1A85-96 (28)

    I’ve had this fault for years, both codes and everything. I’ve never had an issue or noticed anything wrong, everything works as it should. If I didn’t see the code I would have no idea it existed.
  17. Jimmy Brooks

    150k miles, time for differential and transfer case fluids

    what fluids have you found that match the specifications that aren't going to drain my wallet? I saw Atlantic British had a rock oil Gearaxl https://www.roverparts.com/differentials/gearbox-oil/IYK500010/ not sure if this meets specification for the transfer case? would their rear differential...
  18. Jimmy Brooks

    Why Compomotives?

    Love my Tuffant Steelies. They look bada$$, but they very heavy, kills gas mileage.
  19. Jimmy Brooks

    Increasing approach angle?

    I love my ASFIR skid plate. I’ve banged mine up a bit but it still holds strong. I think the highlight of it is the value. I got mine for $319 and it covers the front where the tow eye is, the radiator, and the entire engine all the way to the sway bar. I remember seeing the other skid plates...
  20. Jimmy Brooks

    How fast MPH can you shift into 4L?

    I think it’s under 25 or 30 for H-L and if I remember correctly I think you can switch from L-H up to 50 or 70 mph. Think they have this for towing usages so you can start in low and switch to high to put less stress on the transmission when towing heavy loads. If you want the most accurate...
  21. Jimmy Brooks

    P0526-17 (28) Fan speed sensor circuit - General electrical failure - circuit voltage above threshold

    Yup! That’s the same code. Weird, I’m very sure it’s voltage related and we probably have the same issue. I’ll be around the car more in the summer to tinker and play with a few things. I’ll keep you posted if I find anything but I suspect it’s ground related (I’ve replaced the alternator so I’m...
  22. Jimmy Brooks

    P0526-17 (28) Fan speed sensor circuit - General electrical failure - circuit voltage above threshold

    I've had voltage issues for a long time with my car, some that I'm still chasing down. I tend to get this code along with a fuel pump code (if i remember correctly its one of the high pressure fuel pump) for the circuit staying high. What I noticed is that it would trigger when my voltage would...
  23. Jimmy Brooks

    Sudden Hissing near Valve Cover (5.0 V8)

    Definitely PCV valves. Funny story I had the same issue minus the white smoke. Ironically I had also just done a decarb on the intake valves right before I noticed the hissing so I assumed that I didn't seat the intake right. So I took another 2 hours pulling off the intake, seeing that all the...
  24. Jimmy Brooks

    2016 LR4 Landmark with bi-colored hood

    Wonder how much more value it would bring to the table if it were a 10-13 with the V8.
  25. Jimmy Brooks

    Where is my coolant going??

    I would do a combustion leak tester on the expansion tank just to rule out the worst. in all honestly I have the same problem right now and haven't gotten around to testing it because I've been away from my LR4. checked water pump and cross overs when I did an intake decarb in December and they...

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