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nm did running rough driving me crazy

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  • nm did running rough driving me crazy

    So cruising on the motorway,10-30 kays,no problem. Then sometimes will feel a miss for a kay or two. Sometimes tachometer will dance around & sometimes it will drop right down. My mechanic blocked off egr & " three bonded" inlet manifold. No codes on CPU. Drive to work at Yatala & English light comes on & goes into limp mode. Restart after a while no worries. Two mechanics & Mitsu dealer can't find any fault codes.
    Take a punt & go to Fraser Is last week,all good till I start coming home. Pushing through soft sand near Eli Creek the car goes into limp mode. Restart after a while no worries for a few kays then tachometer drops to zero,car stutters then surges with no throttle. This happens several times down to the barge,then back on the black top no worries apart from a few misses all the way back to the Gold Coast.
    Sorry about the long post but I thought I'd put down everything I could think of.
    P.S I have read other posts regarding speed sensors on the injector pump & mentioned it to all the mechanics but they don't seem interested in them.
    Regards Pete
    02 NM DID 3.2 GLX Auto, 2"lift, BFG all terrain tyres, cargo barrier, snorkel, bulbar, hella driving lights, diff breathers, dual battery, roof racks, h/duty steps, tow bar, TJM under body protection.
    UHF radio, rear storage with fridge slide, pack rack (home made)

  • #2
    Bloody spell check, it's supposed to be engine light.
    02 NM DID 3.2 GLX Auto, 2"lift, BFG all terrain tyres, cargo barrier, snorkel, bulbar, hella driving lights, diff breathers, dual battery, roof racks, h/duty steps, tow bar, TJM under body protection.
    UHF radio, rear storage with fridge slide, pack rack (home made)

    Comment


    • #3
      Any white or black smoke for the exhaust when it cuts out or on restart.
      MY05 NP DiD Auto Platinum. Custom scratches. ARB bar & 12000lbs winch. Maxxis Bighorns. BushSkinz Bash plates & slidders. TJM auto guard. Gear box, trans & diff breathers. Rhino racks & Pod. Awning with LED. Dual batteries. HID Narva 225's. Airtec snorkel. 2" Lovell/Bilstein lift. GME TX3500. Wetseat covers. Pioneer BT deck. Cargo barrier. Beaudesert exhaust. Rear storage & CF80. ARB onboard air. NS 18s for the black top, 80L LRA tank. HPD Catch Can. HPD Intercooler.

      Comment


      • #4
        speedsensors on the fuel pump?
        faulty injectors?

        and check this

        http://www2.pajeroclub.com.au/forum/...ad.php?t=33738

        go down to post #7

        and lastly worst of all could be a dieing fuel pump
        My Car is up for Sale => Link to Market Place

        Has a current Vic roadworthy (valid from the 28/04/2016)

        Comment


        • #5
          Most likely speed sensors, hence the impact on the tacho, a crock injector won't effect tacho
          There are 2 on the pump, lots on posts on this, both can be replaced on the job, both May may not log fault codes, the wonders of electronics
          Muzza
          2014 NW VRX , Alloy ECB bar, Poly air bags, EGR fixed. EDS scan gauge, lockup mate.
          2003 NP DID GLS retired and gone to a good home
          2007 21' Lotus spirit caravan

          LH Torana

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          • #6
            I'd change the fuel filter first. Then go from there.
            04 GLS NP 3.2 AUTO Diesel, Safari Snorkel, Dual Battery, 81L Aux Tank, UHF Roof Console, Alloy Bull Bar, Lovell 36mm Nitro Gas Shocks, Lovell HD 50mm Lift, Rear Poly Air Bags, 265/75/16 Falken Wildpeaks, 65L Waeco CFX Fridge/Freezer, Kings Rooftop Tent.

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            • #7
              Hi guys
              Should have mentioned I had a full service 3 weeks ago when local mechanic blocked egr. Also I did notice once on my many stops getting off Fraser that I had black smoke after shutting down engine. I actually took my foot off the accelerator pedal & the car kept on going with a surge & stop motion. I had to put my foot on the brake to stop it, kicked it up to neutral & it started to rev its tits off. When I shut it down I noticed some black smoke drift over us. The car has never blown any smoke at all, has 149k on the clock & full Mitsu service history.
              Pete
              02 NM DID 3.2 GLX Auto, 2"lift, BFG all terrain tyres, cargo barrier, snorkel, bulbar, hella driving lights, diff breathers, dual battery, roof racks, h/duty steps, tow bar, TJM under body protection.
              UHF radio, rear storage with fridge slide, pack rack (home made)

              Comment


              • #8
                I still have some of those speed sensors I brought in from China.
                Sold one pair, but still don't have any feedback for sure they're right.
                Should be, same part number, brand new, but I haven't had to use them myself and I guess the bloke who bought a pair from me hasn't either (or hasn't let me know they were fine).

                Cheap though, waaaaaay cheaper than MM :-) so if you need a set, I have a few spare pairs of them.
                ________________________________
                NM 2002 3.2DiD Chock full of Mods :-)
                www.stickeroz.com

                Comment


                • #9
                  Originally posted by Possum View Post
                  Also I did notice once on my many stops getting off Fraser that I had black smoke after shutting down engine. I actually took my foot off the accelerator pedal & the car kept on going with a surge & stop motion. I had to put my foot on the brake to stop it, kicked it up to neutral & it started to rev its tits off. When I shut it down I noticed some black smoke drift over us.
                  Gday Pete. I was thinking it would be the speed sensors for sure until you wrote the above..... I wouldn't have thought the speed sensors would cause this sort of drama but you never know. It may pay to pick up a cheap set of speed sensors from Tom, just to rule them out of the equation.
                  Generally speaking, speed sensor faults reportedly cause the tacho to drop to zero and the engine to stall. Here is a link to the speed sensor dramas that Pat had: http://www2.pajeroclub.com.au/forum/...ead.php?t=8664
                  My Paj was surging and misfiring when I bought it. Turned out to be the pump unfortunately..... http://www2.pajeroclub.com.au/forum/...ad.php?t=12461
                  Keep us posted with how you go....
                  Cheers, Dan.
                  2004 NP DiD GLX, 5 spd Manual with SMF, ARB Bullbar, Ironman 12000lb winch, Lightforce Genesis lights, Airtec Snorkel, 81L LRA tank, Unifilter, GME 3500 UHF, Redarc elec brake controller, ARB dual Batt tray with 60AH Deep cycle Batt & Redarc Isolator, Bushskinz Sliders, intercooler and sump guards, Lovells raised HD springs, Polyairs & Bilstein shocks, Milford Cargo Barrier, Philips +100 globes, 2nd set of rims with 245/75x16 Bighorns, Waeco 60L Fridge & a Cavalier camper trailer!

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                  • #10
                    I had the speed sensor cause tacho "dancing" as well. It would be the first place to start on this fault. A few have come up with these symptoms since mine started the trend

                    Pat
                    16 Mitsu NX Pajero GLX
                    10 Ford LV Focus ST / XR5

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                    • #11
                      Cheers Dan & Pat, I've read both your posts a few times just to get my head around things. While I'm certainly no mechanic I am a fitter/machinist by trade so I have a bit of mechanical aptitude. I had my local mechanic put his diagnostic & from memory it showed codes 31,51 & 52. He cleared them & recommended a mobile diesel specialist. He found no codes, checked for metal in the 'gauze filter' before the IP, which was clear then charged $300 plus. Also took it to MM dealer on the Gold Coast. They took it for a drive with the MUTT attached. It played up for him but nothing showed on MUTT except code 15 which is unrelated. When I went to Fraser Is last week I had 4 adults,2 tents & a chocker block full truck & apart from 2 'bleeps' while cruising at 100km/hr,it was fine using only 32 ltrs fuel for the 360k drive to Rainbow Beach. Buggered if I know. The missus has the shits with it & wants to get rid of it & buy a Toyota. Personally I think the car is basically great with the set up I have if only I can get it fixed. I'll try another 'specialist' on the coast this week although I'm already up to about $500 without any answers.
                      Thanks guys
                      Pete
                      02 NM DID 3.2 GLX Auto, 2"lift, BFG all terrain tyres, cargo barrier, snorkel, bulbar, hella driving lights, diff breathers, dual battery, roof racks, h/duty steps, tow bar, TJM under body protection.
                      UHF radio, rear storage with fridge slide, pack rack (home made)

                      Comment


                      • #12
                        Originally posted by Possum View Post
                        Cheers Dan & Pat, I've read both your posts a few times just to get my head around things. While I'm certainly no mechanic I am a fitter/machinist by trade so I have a bit of mechanical aptitude. I had my local mechanic put his diagnostic & from memory it showed codes 31,51 & 52. He cleared them & recommended a mobile diesel specialist. He found no codes, checked for metal in the 'gauze filter' before the IP, which was clear then charged $300 plus. Also took it to MM dealer on the Gold Coast. They took it for a drive with the MUTT attached. It played up for him but nothing showed on MUTT except code 15 which is unrelated. When I went to Fraser Is last week I had 4 adults,2 tents & a chocker block full truck & apart from 2 'bleeps' while cruising at 100km/hr,it was fine using only 32 ltrs fuel for the 360k drive to Rainbow Beach. Buggered if I know. The missus has the shits with it & wants to get rid of it & buy a Toyota. Personally I think the car is basically great with the set up I have if only I can get it fixed. I'll try another 'specialist' on the coast this week although I'm already up to about $500 without any answers.
                        Thanks guys
                        Pete
                        tell her d4d motors tend to explode/break at around 100~150000km needing a rebuild and to give you time to isolate the issue.
                        ]
                        why not borrow the set that was mentioned before and change them to see if it i occurs again... or get your own cheap set and replace the sensors.. but first....

                        why not get the fuel,air and oilfilter kit off ebay for $65 and do a service and see what happens.. cheapr to get that than each.. then try the sensors.
                        My Car is up for Sale => Link to Market Place

                        Has a current Vic roadworthy (valid from the 28/04/2016)

                        Comment


                        • #13
                          Hey easykill full service done 3weeks ago
                          Pete
                          02 NM DID 3.2 GLX Auto, 2"lift, BFG all terrain tyres, cargo barrier, snorkel, bulbar, hella driving lights, diff breathers, dual battery, roof racks, h/duty steps, tow bar, TJM under body protection.
                          UHF radio, rear storage with fridge slide, pack rack (home made)

                          Comment


                          • #14
                            Originally posted by Possum View Post
                            Hi guys
                            Should have mentioned I had a full service 3 weeks ago when local mechanic blocked egr. Also I did notice once on my many stops getting off Fraser that I had black smoke after shutting down engine. I actually took my foot off the accelerator pedal & the car kept on going with a surge & stop motion. I had to put my foot on the brake to stop it, kicked it up to neutral & it started to rev its tits off. When I shut it down I noticed some black smoke drift over us. The car has never blown any smoke at all, has 149k on the clock & full Mitsu service history.
                            Pete

                            This sounds like a possible oil leak into turbo/intake manifold. Has MM checked that out?

                            Comment


                            • #15
                              Check the vac hoses around the throttle butterfly. If they disconnected those while doing the EGR it will cause problems. Pop the inlet hose off at the throttle body and start it. You should be able to see it open when the throttle is blipped and it should close at ignition off.

                              Also, my experience with the engine speed sensors was that it would throw faults that seemed to point at the pump, not the sensors. And at other times it would throw no faults at all. Confused the hell out of the techs.

                              Pat
                              16 Mitsu NX Pajero GLX
                              10 Ford LV Focus ST / XR5

                              Comment

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