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Hey all - thought I would share my recent experience with my turbo failing this week. All fixed now, however I still have some unanswered questions before I can square this away as just bad luck.
Car is a 12/2014 D4D, has done 110,000km and was serviced 3 days prior. Was driving along and suddenly lost power (limp mode) and check engine light and traction control lights came on. SGII was showing a P0046 code. I cleared the code but it simply came back immediately. I was luckily only around the corner from home so managed to limp the car home and park it up while I reached out to the mechanic. Two days later I was able to start it up and nurse it over to the mechanic - no error code however I was driving very gently. On this short trip however, I did notice a siren type sound.
For background, other than regular log book servicing (by Toyota until 60,000 and elsewhere since), the car did get a full off car EGR clean and mild tune at 100,000km (ECU remap) incl catch can, EGR programmed closed and replaced glow plugs. Also has a safari snorkel since new and 2 3/4 Beaudesert exhaust since 70,000km.
Diagnoses (including a second and third opinion) was that the turbo electrics and/or stepper motor where the cause, and I opted to replace the whole turbo as we couldn't be sure of the extent of the damage and I didn't want to risk any reliability on future remote trips.
My concern was that this could have been a symptom of acute injector failure causing oil starvation to the turbo. Mechanic confirmed however that the oil sump pick up was clear, as were the oil hoses/pipes to the turbo. Can probably rule this out then - will look to do injectors at 120k anyway.
I was also concerned that the EGR being permanent closed via the ECU reprogram may have caused a problem in the system (boost relief when coming off the accelerator quickly...?) - mechanics didn't think so.
So at this stage, it appears I was just unlucky (or rather lucky it happened so close to home...)
Happy for any thoughts, queries or similar experiences.
Car is a 12/2014 D4D, has done 110,000km and was serviced 3 days prior. Was driving along and suddenly lost power (limp mode) and check engine light and traction control lights came on. SGII was showing a P0046 code. I cleared the code but it simply came back immediately. I was luckily only around the corner from home so managed to limp the car home and park it up while I reached out to the mechanic. Two days later I was able to start it up and nurse it over to the mechanic - no error code however I was driving very gently. On this short trip however, I did notice a siren type sound.
For background, other than regular log book servicing (by Toyota until 60,000 and elsewhere since), the car did get a full off car EGR clean and mild tune at 100,000km (ECU remap) incl catch can, EGR programmed closed and replaced glow plugs. Also has a safari snorkel since new and 2 3/4 Beaudesert exhaust since 70,000km.
Diagnoses (including a second and third opinion) was that the turbo electrics and/or stepper motor where the cause, and I opted to replace the whole turbo as we couldn't be sure of the extent of the damage and I didn't want to risk any reliability on future remote trips.
My concern was that this could have been a symptom of acute injector failure causing oil starvation to the turbo. Mechanic confirmed however that the oil sump pick up was clear, as were the oil hoses/pipes to the turbo. Can probably rule this out then - will look to do injectors at 120k anyway.
I was also concerned that the EGR being permanent closed via the ECU reprogram may have caused a problem in the system (boost relief when coming off the accelerator quickly...?) - mechanics didn't think so.
So at this stage, it appears I was just unlucky (or rather lucky it happened so close to home...)
Happy for any thoughts, queries or similar experiences.
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