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  1. L

    Location of Suction Control Valve on a V9X Engine

    Thank you for clarification, @Old.Tony!
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    Location of Suction Control Valve on a V9X Engine

    I am a bit confused. The mushroom-like valve on my picture, with vacuum line input and vacuum connection to turbo actuator, is electronically managed and as I understand,,this is SCV, Solenoid Control Valve. But few posts above you were talking aboit SCV, which ahould be located in front of...
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    Location of Suction Control Valve on a V9X Engine

    Hmmm... isn't this the sucker we are talking about? Interesting, I changed mine 3 times in a row, first 2 replacements were faulty new, while the 3rd one worked just fine for 2 months, now it shakes like phone on vibration and emits buzzing sound, which can be heard quite loud in the cabin...
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    V9X engine out or cabin off?

    Indeed, obviously needs attention... or I (and all mechanics till now) have been looking into wrong direction. I have a chance to sell it for pretty good price, or face all the problems and expenses for the sake of loving the car.
  5. L

    V9X PCV replacement

    Hi, I appologize for maybe duplicating the question, but I am a bit desperate. Having problems with 2010 Pathfinder with 3.0 V9X engine - a lot of smoke when accelerating between 1000 and 2000 rpm on highway, turbo lags some 5 seconds, just black smoke.... then pulls like crazy. What I noticed...
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    V9X Oil Leak

    Boosting old post, but it's rare to find somebody taking V9X engine out. I am having simmilar problems, 5-10 seconds turbo lag and a lot of smoke giving it gas between 1000 and 2000 rpm, all dirty oily back around PCV and turbo, but when turbo kicks in, it is extremely poweefull, blows out old...
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    V9X engine out or cabin off?

    Hi, It's not Navara in my case, but R51 Pathfinder 2010 with V6 3.0 engine V9X. Having problems with smoke/poor acceleration in low rpm range, also she drinks quite some oil. I suspect injectors, maybe compression, but most of all turbo - there is quite some oil and black gunk around PCV and...
  8. L

    Tire rotation and flipping

    Nice to hear! Today I drove on heavy rain and those flipped-overs behave just excellent, despite of random very light shaking. So I decided to keep them as is for a while and see, if they will surrender to new placement. BTW...how were MT's on wet or snow, if you had opportunity to drive on it...
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    Tire rotation and flipping

    Obviously flipping tires was a bad decision. Balanced them twice after flip, rotated them on wheels, but still slight shaking is present. Will not do it again and I do not recommend. Instead, only rotating them as shown on opening post is so far the best practice. As long as they are...
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    Tire rotation and flipping

    Hi! This is always going on debate, with pros and cons, so it's time to pop it up again. I have non-directional symmetric tires Cooper Discoverer AT3 Sport2, for which Cooper suggests this tire rotation scheme for all 5 tires: So, I was doing this every 5000-6000km for last 25-30k and all was...
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    How to check turbo actuator on V9X engine?

    That's nice list of possible reasons. Now I need to figure out the way to diagnose, as in my case delay, smoke and bad response is random - sometimes it pullsy like it should, sometimes it just smokes. I can feel it....will try to record all possible data and make some conclustions out of those...
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    How to check turbo actuator on V9X engine?

    Tony, I've had problems with DPF last year, went into limp mode and triggered engine light, then I reset it, drove some highway and it was good for a week or two, then again. So after few months of struggle I concluded it is a combination of possibly restricted DPF + chiptuning, so I removed DPF...
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    How to check turbo actuator on V9X engine?

    Damn... few days ago we took the 2nd CAT off, together with muffler, and there was no change. Still turbo like overboosting and P0235 code. Then we changed for the 2nd time SCV Suction Control Valve and it seems to resolve the problem with P0235 code- no DTC since then. BUT with or without...
  14. L

    How to check turbo actuator on V9X engine?

    Hej Olpha, thank you for your input. So I have great chances to simply diagnose 2nd unit below vehicle - I will just break the pipe apart just before 2nd unit, let it few centimeters gap and take a test drive. If 2nd unit is blocked, then this should diagnose the problem. Then probably new...
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    How to check turbo actuator on V9X engine?

    Hey, yes, following the same video I bought it - ThinkDiag. Spent 90 EUR (On Amazon, here) and it's worth it. (...despite menus are hirearchial and you must go over from beginning every time you turn engine off, from car selection, engine, blah, blah...annoying, but you get used to). I am...
  16. L

    How to check turbo actuator on V9X engine?

    Update: Today we restored original ECU maps and get rid of few additional ponies, but issue remains - actually, now I get P0235 and engine goes into limp mode even earlier, right after 2 bars of additional boost (previously it was at around 2,4 bar). Symptoms are worse every day. Now it is...
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    How to check turbo actuator on V9X engine?

    Update: No, it was not battery. I also reset TP lerearn and EGR, but still the same. Went few rounds and hit limp mode and P0235 every time at about same parameters: RPM: 3250 Fuel rail pressure: 1600 bar TC boost: 2.4 bar/35 psi (atmosferic pressure deducted already) Torque: 530 Nm/390 ft lbs...
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    How to check turbo actuator on V9X engine?

    Emmmm... I got my Thinkcar diagnostic device today and left my shift earlier to play with new toy 😁 But vehicle no start, battery died after 2 days of hybernation. Damn, expenses again. It was diying all long winter, ok, need new one sooner or later. Then went a short pedal to the metal drive...
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    How to check turbo actuator on V9X engine?

    I replaced it with new one, Bosch supposedly. Regarding boost, many others also say that 30 psi of additional boost (15 base + 30 additional = up to 45 total psi) is quite normal. One of the problems is, that I do not remember exactly how it started with this P0235 DTC one month ago. I was...
  20. L

    How to check turbo actuator on V9X engine?

    Well...project suceeded, but patient still sick :( Hose at throttle intake still does not want to stay on, so I bought the freakin' plumbers clamp, but this felt off, too. I figured it out this roboust clamp is too wide and it does not lock rubber hose into the ridge: So I added some elbow...
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