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  1. 2010 Temp gauge dropping

    Range Rover Mark III / L322
    Hi All just picked up a 2011 HSE with 82k. The temp gauge climbs to normal while driving but as soon as I idle it starts dropping back to almost all the way cold. No codes pulled or anything. it is the strangest thing. it does not overheat adn comes up to temp under load only. Any thoughts...
  2. 05 Ranger Rover LSE Temperature Gauge Spike

    Range Rover Mark III / L322
    I have a 2005 Range Rover HSE with about 115000 miles. After the coolant temp gets up to normal operating temperature, the gauge will spike from the normal range to the red zone, for about 7 seconds, then return to normal. It will do this multiple times during a normal drive. I recently found a...
  3. Installing aftermarket gauge, help with dash light

    Range Rover Classic
    Hi All I am about to wire in aftermarket water temperature and oil pressure gauges. I've been trying to find a walk-through or an article showing where to splice for the instrument lights. Is it as simple as a splice from the output lead at the dimmer switch? Any better way to do it...
  4. Temp Gauge Not Working

    Range Rover Mark II / P38
    Hello all, I am the proud new owner of a forest green 1999 Range Rover 4.6 HSE. I have always wanted a Range Rover--especially the P38--so I am very happy to have purchased one for cheap with only 117,000 miles. There were, however, some faults with the car when I bought it. One such problem is...
  5. Throttle Hesitation and Weirs Temp Gauge

    Range Rover Mark III / L322
    I was driving my 2006 supercharged the other evening and immediately upon starting out noticed there was some hesitation in the throttle. It felt almost like it did when the fuel pump went out earlier this year. I continued to try and make it home from work, but noticed the temp gauge was...
  6. 1988 Classic Coolant Gauge and Heater Issues

    Range Rover Classic
    Hello, On my recently acquired '88 Classic with a 3.5, the coolant temp hangs around too close to the red, overheat section of the gauge. This is far more than my previous Classics. I replaced the thermostat, water pump, coolant temp sensor, fan clutch, and the overflow cap with the correct...
  7. Range Rover Hybrid - Fuel gauge query

    Range Rover Sport II / L494
    Hi All, Just joined the forum, we picked up a P400e Hybrid Range Rover Sport Autobiography - generally very happy with the car over the first 3 weeks. Apart from one issue, we had to call out the Assistance company as car completely broke down, on a return journey with the batttery range...
  8. Diagnosing a dead coolant gauge?

    Range Rover Classic
    Hi all, Owner of a 1995 LWB with the 4.2. This summer a buddy and I rebuilt the engine from the crank up. After sorting out a few ignition wiring issues, the car started right up and idles very strong now. However, the coolant gauge is pegged to the cold side, even after ~20 minutes of...
  9. gems vs thor temp gauge

    Range Rover Mark II / P38
    hi guys, Are the temp gauges calibrated the same between the two variants or will an early cluster read low in a thor car? I bought a thor 4.6 with the heads off. have it running and driving now, but the temp gauge reaches only about a quarter of the way up. I cross checked with a cluster from...
  10. Erratic temp gauge, coolant leak and dash removal

    Range Rover Mark II / P38
    Greetings from Melbourne Australia. This post will be long but I’ll be as concise as possible. A quick search from previous posts didn’t reveal a similar problem with my RHD 2001 P38. But there is always someone here who knows or can help. My temperature gauge started behaving erratically; it...
  11. Gauge cluster milage

    Range Rover Mark III / L322
    I have a 2004 l322 and my gauge cluster has dead pixels, plus the RPM gauge was just hanging until i went it higher RPMS, so I bought a used gauge cluster off a car with almost 250k miles on, but my car only has about 93k, when I plug the cluster in will it just reset to my milage of 93k or stay...
  12. Lost speedo, tach,fuel gauge, temp gauge, indicators & HEVAC

    Range Rover Mark II / P38
    Lost speedo, tach,fuel gauge, temp gauge, indicators & HEVAC As Title: Lost speedo, tach,fuel gauge, temp gauge, indicators & HEVAC HEVAC still works but have lost display. Out and about so have pulled all small fuses for a visual check under seat and in engine bay and look OK. P38 4.6 1996...
  13. Coolant temperature gauge erratic

    Range Rover Mark III / L322
    Hi everyone, I’m in need of some help. I noticed a couple of weeks ago my rig was running cold according to the temperature gauge in the truck. Considering it’s an 06, 4.4 jag engine full size with 100K+, I assumed the thermostat was stuck open or faulty. I ordered the replacement from Atlantic...
  14. Added Oil Pressure Gauge

    Range Rover Mark III / L322
    I bought the gauge on Amazon, I like the 270 degree sweep, and it also has a digital display. It also has a wire for dimming, and you can select 3 brightness levels. I bought an M12 1.5 coupler with a 1/8" NPT side tap for the gauge, so the stock Rover pressure switch is retained...
  15. RR 3.6 td fuel gauge issue

    Range Rover Mark III / L322
    Hi there, Glad to join into the madness that is RR ownership. I know that this is a common fault but just thought you might be interested. The fuel gauge on my 3.6TD RR has worked properly since I have owner her. The last time I filled her up the fuel gauge worked properly until I had...
  16. Dead gas gauge

    Range Rover Classic
    My gas gauge has never worked but I assumed it was bc 1: I had very little gas throughout the restore, and 2: the fuel pump was bad. So I put $20 I need the tank after putting in a new pump. Still dead. What else am I missing? '92 3.9 if it helps.
  17. dash centre message: TEMP GAUGE FAULT on RR P38 1997

    Range Rover Mark II / P38
    Hello, I have a Range rover P38 1997. I had a message that appeared this morning on the dash centre message: TEMP GAUGE FAULT. So the gauge needle was in the middle as usual and suddenly went down on the left, then goes up to the on the red line, and red light illuminates. Then got back to...
  18. No fuel gauge or tachometer!

    Range Rover Mark III / L322
    I changed the fuel pump out yesterday in my rover. After getting the battery recharged, i got the truck running again but noticed that the tach and fuel gauge are not working. The car is also stuck in "DE" mode, meaning i can't switch it back to english in the menu settings. Any thoughts? I have...
  19. 2010 RR Sport Fuel Gauge Issue After Battery Disconnected

    Range Rover Sport / L320
    Howdy All Have an odd issue with my 2010 RR Sport Fuel Gauge. I had an issue with the analog clock on the truck and mechanic removed the wires from the terminal and replaced to try to reset the clock; which it did... Afterwards noticed the up one touch window program only worked on down not up...
  20. Installing Rover Gauge Software Windows

    Diagnostic Equipment
    I am in the midst of trying to solve a rough idle/poor fuel mileage issue on my '93 LWB. Before I start throwing new parts at it, I want to take a look at what the ECU sensor data looks like using the Rover Gauge. I have the serial cable ready to go, but I cannot figure out how to compile the...
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