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  1. Replace 4.6 Thor with a gems engine.

    Range Rover Mark II / P38
    Is it possible to fit a gems engine to a Thor vehicle bearing in mind I know I will have to swop a lot over including all sensors
  2. Bosch 66156 Fuel Pump is Thor Fuel Pump Assembly WFX101390

    Range Rover Mark II / P38
    Hi all, As often as this subject comes up I wanted to let any North Americans looking for new fuel pumps that I found a local source: Bosch 66156 Fuel Pump on Amazon . The housing and wiring colors were identical to the OEM assembly that I removed, the fuel pump said BOSCH but I didn't note a...
  3. Thor adaption reset

    Range Rover Mark II / P38
    Hi Maybe a silly question, but if the engine isn't running right but think you've fixed the primary cause, is an adaption required, or can you go the long way around and do a drive cycle followed by a long drive too give it chance to update? Thanks
  4. 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...
  5. ongoing intermittent misfire

    Range Rover Mark II / P38
    Hi I've had this problem for quite a while now, ever since I replaced the head gaskets, but I've been busy with work and just not had the time to spend on it. I've finally 'given in' and let the local garage take a look and see what he can find out. He's come back to me and said he's put an...
  6. thor rough running/poor power - new MAF fitted

    Range Rover Mark II / P38
    hi guys, i recently purchased a thor 4.6, which had suffered a head gasket failure (loose bolts, compression leakage under the exhaust manifold). the car came to me with the right head off. i rebuilt both heads and replaced the cam/lifters. during cam break in, it was clear it wasn't running...
  7. Building a biomethane 4.0 THOR engin

    Range Rover Mark II / P38
    Hello members, I’m new to the forum even though I’ve had a LPG converted P38 for over 5 years and gone through all the normal blown head gaskets etc.. It has been a labour of love.8-) Even so I am planning to build a ‘reliable’ P38 that will run on petrol, LPG and biomethane as a demonstrator...
  8. Gremlins in the system........

    Range Rover Mark II / P38
    Dear all, Well, here's the story so far... Been sat for a while after just spitting out the dummy... 2000 Autobiography P38, LPG, great car behaving itself, the next morning, every single light, warning, you name it, and a no crank turno' the key. All codes are now clear, and it sometimes...
  9. It won't f*cking start....!

    Blog
    Dear all, Well, here's the story so far... Been sat for a while after just spitting out the dummy... 2000 Autobiography P38, LPG, great car behaving itself, the next morning, every single light, warning, you name it, and a no crank turno' the key. All...
  10. Range Rover P38 Thor 4.6

    Range Rover Mark II / P38
    Hi guy advice needed here. Bought this car in May and gearbox oil was low so did a service on it and drove fine (new filters and oil) in September when she was MOT'd I collected her and ever since when pulling away there were a clonk ( not saying mot related just for reference) the I had an...
  11. 4.0 Thor - Poor (very) MPG and low power

    Range Rover Mark II / P38
    Bonjour all ! I've read and read these forums, but I can't for the life of me figure out what's wrong with Bob, my MY99, Prins LPG equipped 4.0 Thor P38 ! The symptoms : - Very poor MPG (i'm talking 70 mile range with half a tank) - Lacks a lot of power. Starts, idles fine, and, drives fine...
  12. 4.6 Thor V8 2000 Crankshaft Sensor Code "MISSING"

    Range Rover Mark II / P38
    Hi All, So i found myself having some starting issues and she even cut out while running. This happened over three days untill a complete refusal to start had me call the AA, the mechanic who came out tested for codes and got nothing (I carry my nanocom with we all the time and also got no...
  13. Thor idle speed too high

    Range Rover Mark II / P38
    Hi all, having recently sorted a missfire with a new HT lead, the engine is running smoothly except the idle speed is too high. Generally about 800 but sometimes 1200 plus. Today I was in a line waiting and it wanted to crawl along on its own with the idle about 1400. I switched it off, left...
  14. 2002 HSE Bosch missfires

    Range Rover Mark II / P38
    Hi I an a new P38 owner. It had 186,000 miles and a blown head gasket when I bought it. Had it trailered to my mechanic and bought a used set of heads and and rebuilt them and had mechanic install with new bolts plugs and wires and water pump. It had a slow leak in LR air bag and a manual...
  15. Thor vacuum pipes

    Range Rover Mark II / P38
    Hi, I've just noticed after rebuild of my 4.6 Thor engine that I'm a vacuum not short ! It's the small one on the rh end of injection, anyone got any idea where this comes from , thanks in advance
  16. Thor intermittant misfire at low rpm

    Range Rover Mark II / P38
    Hi all, I'm now to this site. I have a 2000MY 4.6 that had a factory replacement engine in 2008. Done 30,000 since. It has an intermittent misfire, which feels in old type engines as rich running. It was quite bad recently and I stopped at a petrol station to fill up. When I restarted after...
  17. P38 Thor Transfer box replaced, now have a few problems

    Range Rover Mark II / P38
    Hi all, Just picked up the car after having the transfer box swapped over. No more slipping of the chain - can plant your foot and away she goes however i have a few issues now. 1 - dash display has 'Select Neutral' permanently displayed. 2 - if I try and transfer over to low range, it does...
  18. 4.6 thor break down/failure to start

    Range Rover Mark II / P38
    Hoping that I will be able to get some advice on a 1999 4.6 p38 with the thor management. The car was running and driving fine until the other day when it cut out while driving and hasn't shown any signs of life since It is sparking, but the fuel pump relay isn't getting a signal to switch on...
  19. cold start THOR 4.0

    Range Rover Mark II / P38
    Hi all New member here. I've exausted other foums and several garages on this one so would love to hear your views! I have a well maintained 4.0V8 Thor which runs beautifully. Sadly, if it is below 5 degrees, it won't start. Starter spins, engine turns, but no start. Once the air temp gets up...
  20. Thor - put a battery behind the battery?

    Range Rover Mark II / P38
    Hi All, Has anyone fitted a small battery in the empty box behind the battery? Just wondering if I could fit one as a backup ....
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