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  1. Coolant temp sensor ohms

    Range Rover Classic
    I am wiring in some aftermarket gauges. Just oil and water temp Does anyone know what the ohms of the sensor is? Reason I ask is my gauge is reading approx 50 degrees F hotter Sensor number is PRC7918 The gauge instructions say "Water Temperature Gauge ( 100 - 250 "F) = 560 - 37 ohms" Is...
  2. Completed list, headlight power feed, correct internal temp

    Range Rover Mark II / P38
    Three things here, but it's probably good etiquette to avoid multiple new posts. Having got to the bottom of a not-huge list of things to fix, I can tidy up a few minor bits and pieces. That is correct; My 2001 P38 now works perfectly now that I've addressed all the usual issues, a project...
  3. Setting a different "default" temp on temperature controls?

    Range Rover Sport / L320
    Setting a different "default" temp on temperature controls? Hey guys, I searched, but didn't find anything on this. It just seems like there has got to be a way to do this, but perhaps not. I would assume everyone else's vehicle is the same way but every time I get in the vehicle, it's set...
  4. 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...
  5. Tach and Temp Gauges INOP - not sure why??

    Range Rover Classic
    Hello all My '88 RRC has been running pretty well since tinkering over the past few months, and much thanks to all here. Two issues I'm still encountering that confuse me are that both my Tach and Temp gauges are inoperative. The rest of the gauge cluster works fine. I thought these issues...
  6. HEVAC ECU checks the coolant temp sensor after 5 minutes on

    Range Rover Mark II / P38
    Greetings from a wintery Melbourne, Australia. It's getting cold so it's time to get the heating working properly. My issue was that the car would go both to HI and LO on the temp controller but not hold correct temp in between. All checks done on the HEVAC test page and all seemed well...
  7. 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...
  8. Can You Display Oil Temp Coolant Temp, Trans Temp etc...

    Range Rover Sport / L320
    Good evening... Interested to know if there is a way to display fluid temps and pressures on 2010 RRS SC. I have searched to no avail. I will admit quantity of research time does not equate to quality of results. In otherwords, I am terrible at finding results or they do not exist... Either...
  9. 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...
  10. Wont reach operating temp in cold

    Range Rover Mark II / P38
    Here's the story. Truck needs consistent refills at reservoir. Been just using distilled water. I feel as though by now it's a system with nothing but water. It's now cold in Texas. It wont reach operating temp. Stays in the blue or just above. Do I add green or orange coolant. And what...
  11. engine operating temp.

    Range Rover Classic
    Hi, all! Is there anyone here who runs on 4.6 with 14CUX hotwire installed in RRC with standard cooling system? I've swapped my 4.2 with 4.6 and since that I've got operating temp a little bit higher than it was before. In the same outside conditions it runs about 95 C degrees with brand new...
  12. no start temp in red

    Range Rover Mark III / L322
    so i am have a 2003 range rover hse 4.4 the temp gauge is in the red and there is no crank there is also no check engine light coming on with the key, i have plugged in a regular auto zone scanner and it just reads a p1844 no engine codes at all befor this issue i had 2 codes with a...
  13. P38 Cluster temp guage repair

    Range Rover Mark II / P38
    Group, Bosch/Thor having what I believe is a bad cluster temperature circuit, I currently use a Bluetooth dongle app for my temp reading. The temp sensor is reading fine (replaced already). I have checked the grounds and my data PID is good via OBD2. Feeling the gauge in the cluster was at...
  14. P0116 Engine Coolant Temp

    Range Rover Mark III / L322
    Hello, my 2006 RR 4.2 Supercharged is throwing this code. I've read the other threads on this forum but I'm not sure if I should replace the temp sensor or start with the thermostat. It seems for some people it was a thermostat issue and for some the top sensor and others the bottom sensor...
  15. 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...
  16. 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...
  17. 2012 headlight bulb (D3S) color temp (kelvin)?

    Range Rover Mark III / L322
    I know the 2012 takes a D3S HID bulb, but does anyone know what color temp is OEM? This would be measured in Kelvin. Thanks!
  18. 06 SC engine oil operating temp?

    Range Rover Mark III / L322
    Hey guys. I have always felt like the engine oil is not coming up to temp in my 06 SC. I always read the oil should be at least the same temp as the coolant, but usually warmer. My engine oil, in the winter or summer, always reads lower than my coolant. Say coolant is avg. 93c, tranny is...
  19. 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...
  20. Installed Lower temp thermostat, 87 deg C vs 105 deg C

    Range Rover Mark III / L322
    In an attempt to bring oil pressure up at idle, I installed a lower temperature thermostat. This is a 2003 Range Rover with the BMW 4.4L, 166k miles. The stock thermostat is 105 deg C, I ordered an 87 deg C. Supposedly, some models/years/climates used 87 deg C stock, and the switch to 105 deg...
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