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  1. Range Rover Mark II / P38
    I just finished changing the heads on my 99 Bosch P38 and I keep getting a drop on RPMs frequently until it stalls out. Could it be the shim I used for the rocker arm was too tall? I torqued the rocker arms bolts one by one using the thickest shim of the 3 (forgot size specs) till it reached 30...
  2. Range Rover Mark II / P38
    Anybody know a source for the front fuel lines for a 2001 bosch 4.6? The molded 2 pipe rubber over plastic one that runs from the fuel filter/tank return up and over the transmission? I can't even find a picture of one. Mine apparently came unclipped from wherever it was clipped to and fell...
  3. Range Rover Mark II / P38
    I have been having some uneven running and lack of power issues. Checked my fault codes and after checking various posts on here concluded a good place to start was the MAF sensor. I was heading towards a Bosh genuine, again as a result of sage advice here, but was concerned at the cost. After...
  4. Range Rover Mark II / P38
    I have an Alpine White 1996 that I've been working on for a winter vehicle. I've noted that the seats were not nearly as comfortable as my 2000 H+H. Looked and there is a Rhino edition in the junk yard near me with complete interior, any reason why I wouldn't be able to switch the seats and...
  5. Range Rover Mark II / P38
    I have had my white 02 stored in the shed in Hawaii for the last 4 years. (warm and humid) Last November, I drove it quite a bit, but mostly 1/4 mile trips (moving stuff) When I then took it out on the road to town, I got SES light flashing. "Catalyst damaging misfire" according to the Nano...
  6. Range Rover Mark II / P38
    Hey Everyone! New to this forum and hoping to get some help. I've had some recent overheating issues with my P38. When I purchased the vehicle I was able to drive it 70+ miles (highway) with no issues. It is mainly for driving around town and not really mean't to be a road trip vehicle...
  7. Range Rover Mark II / P38
    Hello, forum I'm toying with the idea of taking the full specs i.e. (ID) and (OD) plus length and bends, to a custom hose shop in my city. Does anyone have the full specs of all the cooling system hoses? I just cant justify spending $320+ dollars on a kit from Atlantic British. If I have to I...
  8. 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...
  9. New Parts
    Fuel Injector BOSCH 62120-Set 4 - $271.38 Use coupon code ForumFan5 at checkout and receive an additional 5% off any purchase at NewParts.com! Part # 62120 Interchange Part # LR069897, C2D45736, 0 261 500 298 / 0261500298
  10. Range Rover Mark II / P38
    The truck sat for a over a year before I bought it. I replaced the BECM, ECU and instrument cluster and it started to run. I replaced the leaking heater core o-rings (the carpet on the right hand side was soaked). I replaced the spark plugs and did a compression check. a couple of cylinders...
  11. Range Rover Mark II / P38
    I am buying a replacement airbox, I don't have the original airbox. The vendor seems to think that they are different 4.0 vs 4.6. Are MAFs different on 4.0 vs 4.6? What's the most reliable way to identify the engine? I am thinking transmission data plate (4hp22 for 4.0, 4hp24 for 4.6)?
  12. Range Rover Classic
    This is a strange one. Last night I noticed a rough running condition on my 94 RRC. There would be a misfire every few seconds accompanied by a tick from under the hood. With the truck running I can see arcing and electrical energy flow from the +/- terminals on the coil to the coil...
  13. Range Rover Mark II / P38
    Based on my research so far: P38 with Thor engine use Bosch Motronic 5.2.1 ECU. A very similar ECU is commonly found on various BMWs of the same vintage, E38 and E39 come to mind. The ECU uses DS2 serial protocol for diagnostics. The protocol is well known and documentation is available...
  14. Range Rover Mark II / P38
    New to me 4.0 HSE with Bosch engine. The truck sat for over a year. The battery is brand new, Deka 31P, 950 cold cranking amps, good stuff. Various contacts and ground connections cleaned, seem good. I replaced the fuse/relay box under the hood and the driver's door lock today with brand new...
  15. Diagnostic Equipment
    I did the search and some old threads seem to suggest that Nanocom was lacking come of the features of Faultmate. One such feature is ability to direct read BECM memory, which faultmate can do using SM035 and nanocom can not do. Since this feature requires BECM disassembly and soldering some...
  16. 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...
  17. Range Rover Mark II / P38
    In the process of switching out my radiator on my 98 p38 4.6 gems engine. I was at the junkyard and I came across a 99 RR 4.0 with the Bosch engine. I seen the radiator and thought WOOHOO found a radiator well I take it out and all get home about to rip my old rad out cuz as you can see it is...
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