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  • D4D Chips...

    So, I’m interested in a performance chip for the D4D. I've read hundreds of threads and loads of company website with proposed figures but would like to hear from the real man on the street.

    My question,

    1) Have you chipped you Prado 150 D4D and if so, which brand?
    2) If you've had one fitted, have you had it dyno'd and what calibrated improvements did you actually get?

    Please be honest as I am genuinely interested in all results from the $150 ebay resistors boxes to the 3k chip and exhaust systems!

    Darren

  • #2
    Re: D4D Chips...

    Gday Darren 253,

    Yes I have added the DPChip to my 150 GXL Diesel Auto about 10,000km ago (at 5000k)..I had issues with the first box as it was sufferring Electromagnetic interference (see listing)
    No I havent had it on the dyno but i think the figures listed on their website for power increase are optimistic the torque figures seem plausible though.
    On the road it holds higher gears a lot easier and pulling a load is fantastic....is it worth $1500?..probably not. I understand there is a lot of other cheaper models however the only reason I went DP was it comes with the drive train warranty.
    One of the best driveability improvements came when I had the auto "flashed". It tightened up the changes and selects the right gear most of the time.

    Comment


    • #3
      Re: D4D Chips...

      "had the auto Flashed" What is this? Looking at chip to enhance towing 1800kg van.
      Mike

      Comment


      • #4
        Re: D4D Chips...

        There is a number of threads on this site devoted to the auto in the 150 either overheating or slipping. If you explain the issue to Toyota they will flash the ECU with a revised shift pattern. The alteration holds gears better and shifts earlier when required.
        My take on the issue is Toyota needed to show the market it was improving fuel economy (from 120 series to 150 series), instead of playing with the engine (which they did recently) they changed the auto to change slower and hold higher gears...EVERYWHERE...The change will improve towing.

        Comment


        • #5
          Re: D4D Chips...

          I have put a CHIP IT module on my 150 Auto GXL - It's brand new - the first 1,000 kms saw fuel economy at 11.5 - The chip has been on for 300kms. Acceleration is considerably improved, fuel economy now down to 8.3 for simmilar driving. Early days, but looks very promising. No I have not had it on the dyno.
          I chose Chipit as it is Australian Made - 7 day Aus support and the tunes are developed on aus compliant vehicles. I paid 630 on ebay.

          Comment


          • #6
            Re: D4D Chips...

            Only 630?? Arent dpchips going for 1500ish?
            [COLOR="black"][b]William[/b][/COLOR]
            [SIZE="1"][COLOR="gray"]Prado 150 GXL D4D Auto in White![/COLOR][/SIZE]
            [url=http://www.pradopoint.com/showthread.php?18483-William-s-150-GXL-D4D][U][COLOR="blue"][SIZE="1"]My Rig Build-up[/SIZE][/COLOR][/U][/url]

            Comment


            • #7
              Re: D4D Chips...

              Originally posted by William
              Only 630?? Arent dpchips going for 1500ish?
              Normal price of the Chip IT chip is around $799 so $630 is very good. I know some one who has one installed in his 200 and he thinks they are unreal. He has also used DP Chip in his older vehicles. Chip It have indicated in emails that I've received (I think from Robert) that the other manufactuers overcharge by $500-$600.
              [COLOR=#000080]Nick[/COLOR]
              [URL="http://pradopoint.com/viewtopic.php?f=38&t=5308&sid=bcbebadd30673f1ac72047e6e8a93d79"]2006 TD GXL Evolution & Trips[/URL]
              [URL=http://www.fuelly.com/driver/Schaffer/prado][IMG]http://www.fuelly.com/smallsig-metric/45547.png[/IMG][/URL]
              [img]http://i929.photobucket.com/albums/mm286/Schaffer71/Avatar/CooperCreek.jpg[/img] [img]http://i929.photobucket.com/albums/mm286/Schaffer71/Avatar/BendlebyRanges.jpg[/img]

              Comment


              • #8
                Re: D4D Chips...

                Originally posted by Schaffer
                Normal price of the Chip IT chip is around $799 so $630 is very good. I know some one who has one installed in his 200 and he thinks they are unreal. He has also used DP Chip in his older vehicles. Chip It have indicated in emails that I've received (I think from Robert) that the other manufactuers overcharge by $500-$600.
                Interesting... I'm not saying DPchip are any better than ChipIT as I've never used either of them... but of course, any seller would say their competitors are overcharging rather than saying their own product is inferior.

                I'm surprised so many people with the D4D have installed chips knowing it would void warranty, especially since it may have to go in under warranty (even without a chip) due to the injector problems everyone speaks of. Yes I've read that the chip is installed after the ECU and is hence undetectable once removed, however, some people have compelling arguments against this.
                [COLOR="black"][b]William[/b][/COLOR]
                [SIZE="1"][COLOR="gray"]Prado 150 GXL D4D Auto in White![/COLOR][/SIZE]
                [url=http://www.pradopoint.com/showthread.php?18483-William-s-150-GXL-D4D][U][COLOR="blue"][SIZE="1"]My Rig Build-up[/SIZE][/COLOR][/U][/url]

                Comment


                • #9
                  Re: D4D Chips...

                  Chipit chips have the ability to adjust boost. Do any of you know if this is done in the prado tune?

                  Increasing boost has the potential to increase stress on engine components.
                  2019 GXL, Bullbar, UHF, Redarc Brake Controller, Tow Bar, Secondary Fuel Filter

                  Comment


                  • #10
                    Re: D4D Chips...

                    Originally posted by William
                    Only 630?? Arent dpchips going for 1500ish?
                    Yes - they usually sell for $799 for the base chip. There is also the option of of a secondary chip that monitors the exhaust gas temp which sells for another $399. Purpose of this is to revert the tune back to factory setting if the exhaust gas temp gets too hot. When buying together, Chipit provide a warranty over any damage caused that Toyota won't warrant. I have not installed the second chip yet. That will be next weekend's job. The chipit only has two plugs, one for the map sensor and the second for the common rail sensor, so easy to take on and off for servicing. I can't answer the question on turbo boost - in my reading there is no mention of Chipit adjusting the turbo boost.

                    Comment


                    • #11
                      Re: D4D Chips...

                      I have a chipit chip installed and love it. It has not been dynoed but I would believe the 25% claims. I also installed pyrometer and boost gauges to monitor EGTs and boost.
                      The Chipit does indeed increase the boost, however this can be a good thing. The one thing that kills diesels is high EGT, caused by an excessively high fuel:air ratio.
                      Hence, by adding a small amount of boost (air), you can reduce the EGT for the same ammount of fuel injected . The Prado runs a conservative max 14 PSI stock anyway and on my current tune runs 17. Compare this with Mitsubishi and Nissan engines which run over 20psi stock. The Prado also runs low EGT when compared to the other makes and as long as you keep and eye on these parameters I am convinced there should be no problems. It does seem like a very well designed engine, only let down by the Denso injectors in the previous iteration.

                      Comment


                      • #12
                        Re: D4D Chips...

                        Schniff,

                        Let us know how you go with fuel economy in town and on the highway as I'm considering fitting one to my 120 series D4D. I'm after a little more power when towing but also an improvement in fuel usage on the highway and town by not having to hold the throttle down so far and for so long. I

                        've heard two lots of feedback from owners which chips:

                        1. Car goes great. Get better towing economy but worse around town.
                        2. Car goes great but costs me in fuel.

                        Thanks,
                        2019 GXL, Bullbar, UHF, Redarc Brake Controller, Tow Bar, Secondary Fuel Filter

                        Comment


                        • #13
                          Re: D4D Chips...

                          Originally posted by Schniff
                          The one thing that kills diesels is high EGT, caused by an excessively high fuel:air ratio
                          I'm no diesel mechanic but my experience with high performance petrol engines is that a high fuel:air ratio reduces EGT due to fuel cooling. Does that not correlate with diesel engines?

                          (Fuel cooling is described as the latent effect of condensing excess fuel in a rich mixture, which may not be applicable in this situation: honestly, I don't know)
                          2008 D4D and a very long dog
                          [url=http://pradopoint.com/viewtopic.php?f=38&t=5318&p=74777&sid=afe8667706bc76d907c8fa81464352d4&sid=1d0b38233e6e0a28f012b5561ec1d59e#p74777]Our Prado[/url]

                          Comment


                          • #14
                            Re: D4D Chips...

                            Originally posted by William
                            I'm surprised so many people with the D4D have installed chips knowing it would void warranty, especially since it may have to go in under warranty (even without a chip) due to the injector problems everyone speaks of. Yes I've read that the chip is installed after the ECU and is hence undetectable once removed, however, some people have compelling arguments against this.
                            I've heard of vehicles being delivered from the dealer with chip installed. Even Toyota sell a chip altough it's not directly available in Australia and has to be purchased from Europe. The chips shouldn't "void" your warranty as you have suggested. It may impact upon a warranty claim but then Toyota would have to prove that the warranty issue is directly caused by the chip. It would be like saying putting aftermarket suspension on your vehcile voids your warranty. It does not.
                            [COLOR=#000080]Nick[/COLOR]
                            [URL="http://pradopoint.com/viewtopic.php?f=38&t=5308&sid=bcbebadd30673f1ac72047e6e8a93d79"]2006 TD GXL Evolution & Trips[/URL]
                            [URL=http://www.fuelly.com/driver/Schaffer/prado][IMG]http://www.fuelly.com/smallsig-metric/45547.png[/IMG][/URL]
                            [img]http://i929.photobucket.com/albums/mm286/Schaffer71/Avatar/CooperCreek.jpg[/img] [img]http://i929.photobucket.com/albums/mm286/Schaffer71/Avatar/BendlebyRanges.jpg[/img]

                            Comment


                            • #15
                              Re: D4D Chips...

                              Originally posted by Schaffer
                              Originally posted by William
                              I'm surprised so many people with the D4D have installed chips knowing it would void warranty, especially since it may have to go in under warranty (even without a chip) due to the injector problems everyone speaks of. Yes I've read that the chip is installed after the ECU and is hence undetectable once removed, however, some people have compelling arguments against this.
                              I've heard of vehicles being delivered from the dealer with chip installed. Even Toyota sell a chip altough it's not directly available in Australia and has to be purchased from Europe. The chips shouldn't "void" your warranty as you have suggested. It may impact upon a warranty claim but then Toyota would have to prove that the warranty issue is directly caused by the chip. It would be like saying putting aftermarket suspension on your vehcile voids your warranty. It does not.
                              Spot on - like any other accessory, it has no bearing on warranty. Our consumer protection laws are pretty good in this area.

                              Comment

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