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Turbo not kicking in like it should cant find no leaking pipe and turbo seems to be working fine

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In general the possible causes could be:
- Boost pressure sensor harness is open or shorted
- Boost pressure sensor circuit poor electrical connection
- Faulty boost pressure sensor
- Faulty Turbo/Super Charger
- Engine over temperature.
- Ignition misfire exceeds the calibrated threshold.
- Faulty Knock sensor (KS)

I would doubt its the turbo as you said it seems to be working just fine (unless the wastegate is stuck open/wastegate seal is cracked). Also if the ignition misfire exceeds the claibrated threshold then I would think you'd hear that in the engine running normally. I would say locate the sensor and replace it?

Hope this helps

Posted on Dec 05, 2012

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Posted on Jan 02, 2017

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SOURCE: nissan hardbody turbo leaking oil

Where is it leaking oil ? If the oil is coming form the input sheft. The seal is bad. You need to rebuilb it or buy a new trubo.

Posted on Mar 12, 2009

AaronTech
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SOURCE: t350 90 ford transit lost accelerating power 02 plate 2.4 durator

The actuator only opens when maximun set boost has been achieved. the actuator lets exhaust gas bypass the turbo once it has reached its pressure. check for vacuum leaks, cracks in the intake piping.

Posted on Jun 25, 2009

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SOURCE: 2001 Volvo s40 oil leaking in turbo, smokes white

Water in combustion chamber makes white smoke--suspect that the head gasket is leaking water into the chamber. If oil leaking around turbo, it may have a bad bearing and bad oil seal. Check waste gate valve and control.

Posted on Aug 01, 2009

germcelchar
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SOURCE: how do i bleed my power steering rack on subaru legacy rs turbo

A power steering dosent need bleeding. If you replaced it a week ago and was fine until now then it's not an air problem. Power steering fluid is pumped through the system even when the steering is not being used. Definatly not an airlock problem. Cheer's

Posted on Oct 16, 2009

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SOURCE: Nissan Navara STR 2006 d22 3lt turbo. Turbo is whistling very

Remember, what is heard as turbocharger noise may not be caused by a noisy turbocharger. Before replacing a turbocharger perform the following diagnosis.
A. If a loud whine or whistle is heard during acceleration and increases or decreases with rpm and load. This condition is most often the result of a loose clamp/hose at the turbocharger compressor outlet, charge air cooler inlet, outlet or at the intake manifold.

1. With the engine running at idle and the transmission in Park or Neutral with the parking brake set, feel for boost air escaping at each connection between the turbocharger compressor outlet and intake manifold. For limited access areas, spray soapy water on those connectors and look for bubbles.

2. Check the exhaust manifold and exhaust system for leaks.

I hope this helped.

Thank you,
Norse

Posted on May 16, 2010

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It seems like the turbo does not kick in to full potential. Is there a way to open up the waste gate?


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Volvo 1998 v70 tdi loss of power and a lot of black smoke lamda fuel light has been on since timming belts replaced been told its the turbo pump runnig at half is this possible and where is the turbo pump...


I don't know about the turbo running at half, but I can give you two ideas.

If it only started after the timing belt was replaced there is a very good chance that the timing is off. The car has very specific instructions due to the variable valve timing.

There is also a chance that there is a hole in one of the turbo hoses. One way to check for a leaking turbo hose is to put the car in reverse and set the parking brake. have someone listen for a large air leak while you power stall the engine. if there is a leak it will make a lot of noise and you can feel for it with your hand, just don't burn yourself.

DO NOT POWERSTALL THE ENGINE MORE THAT THIRTY SECONDS AT A TIME AND NO MORE THAN TWICE. IT WILL GET VERY HOT VERY QUICKLY.

DO NOT SHUT OFF THE ENGINE RIGHT AFTER POWERSTALLING. THERE IS TO MUCH HEAT AND COULD CAUSE DAMAGE. LET THE ENGINE IDLE FOR THREE MINUTES AND IT WILL BE FINE.


I hope this helps

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