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Hi all my rangie has the cold start relay fitted to it and has worked well but lately I have had to give it double heat and it starts instantly but will just crank over if I only give it the once but i think the battery is'nt the best any idear's thanks in advance great site

Hi all my outside air temp is always down on about 32f when ever I get in it even over the last few hot days after you drive it for a bit it will go up to about 55f does anyone know where this sensor is located please? and my air con dont seem to be working unless I put it on auto then it is...

seem to be quite a few small minded people on this site

Why the dig about Wales then?????

Happy days then!!

thats my mates jeep and he still got it

I just took that off th p s i web site I didnt look for the range rover p38 just took that as a general outlay... I will leave you in peace I MUST BE WRONG BECAUSE I ALWAYS AM!!! like I said earlier its gone from 19mpg to 24/25mpg it must be the wind pusing it along or maybe I am freewhelling...

Standard : 150 HP 110 kW 330 Nm PSI : 170 HP 125 kW 375 Nm The PSI Powerbox increases horsepower, torque and can improve fuel consumption making for a more efficient vehicle. The power increase is achieved by dynamically re-mapping (in real-time) the can-bus digital data between the...

all I can say is what I was getting before and what I am getting now the biggest improvment I have found with mine is the extra torque and the fewer gear changes mine has to make up the many hills on my doorstep it just pulls up most hills now in top gear with very little effort and a light...

hot start problems and poor mpg !!!

although I have had discoverys for some years I have never had to browse the web to solve problems but 1week of ownership of my p38 I find myself addicted to this site loads and loads of free info best site on the net thank you all from South Wales

I have only just had my 1st p38 and was gutted when I first had it Iwas only getting 19mpg out of mine until I fitted a power box much better to drive and 24/25mpg and thats about town I havnt tried it on a run yet... try this link Range Rover P38 Diesel PSI Power Tuning Chip 95-99 on eBay (end...

where abouts is the boost sensor mate??

WOW!!!!! looks amazing hate to think how much

I just fitted a psi power box to mine great piece of kit £325 off foundry 4x4. only a case of unpluging 2 plugs 1 under the inlet manifold (this 1 is a bit fiddly need a long srewdriver to help you)and 1 by the fuel filter try this link Range Rover P38 Diesel PSI Power Tuning Chip 95-99 on eBay...

just had a good look thro the service history and since xmas it's had two Diagnostic test's where its then had new glow plugs new sender unit new compresser assy new rear springs with a bill for £1100.. will try temp sensor asap the guy must have been having starting problems with it, I have...

ok guys thanks I will have to ask him.. would this do the same as the cold start relay ??? would it be worth changing the temp sensor?

any 1 got any idea's why the garage I bought my p38 off has wired a relay up to the no4 injector???:eek: with a power supply off the starter??:doh: I have removed it now and just wired the hot start fix as written about on here start fine every time aslong has you wait for the heater plug symbol...

well I have just done 200 miles on 40quid's worth of fuel at 1.17p a litre and by my books thats not bad never mind the trip computer the fact that it is not changing gear on the hills like it was has made a massive improvment !!!!!! dont knock it until you have tried it me thinks

I anit no techno man all I can tell you is where I live is very hilly and before the chip on my way to work going up the heads of the valleys at 60mph the auto would be changing up and down up and down it just wasnt happy but now it just gets to top gear and the extra touque holds it the from...