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Loss of turbo boost on 51 reg zafira tdi. code reader shows p0725. what is this ?

Had loss of turbo boost. reader gives code p0725. what does this code mean ?

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P0725 - Engine Speed Sensor Input Circuit Malfunction

ossible causes- Open or shorted CKP sensor circuit condition
- Poor CKP sensor electrical connection
- Check communication error between the ECM and TCM
- Failed CKP Sensor

Posted on Nov 26, 2012

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Posted on Jan 02, 2017

alicantecoli
  • 22133 Answers

SOURCE: vw tdi turbo dying

check the rubber pipes are not collapsing ,they run from the air filter to the turbo if they appear ok then replace the turbo

Posted on Sep 09, 2009

  • 295 Answers

SOURCE: loss of power noisy engine turbo does not come in

Well,

The turbo bearing is gone. The turbo is not able to create enough boost. A local mechanic is going to have to change out the turbo. This is an expensive repair.

Good luck

Posted on Mar 21, 2009

  • 93 Answers

SOURCE: hissing noise from engine when turbo kicks in and

check intercooler pipes for splits or holes dont think turbo is at fault you must check pipes carefully remove if you have to to check

Posted on Dec 07, 2009

  • 462 Answers

SOURCE: 06 jetta gli 2.0 turbo I have loss of power and a

I think the code explains it.
If you want to know what is it and were is it ,post more details of your car ( VIN , production date(p/d usualy found on center post below lock latch or on the driver door below lock mechanism-big information lable) and engine code(found on cyllinder head , frt. of engine , look from top- small polished cast appendix , even with bottom of valve cover , with three letters AVH, AHA , ABK etc...... )

Posted on May 05, 2010

  • 87 Answers

SOURCE: check engine light came on and I have a loss of power

you nee to know if the turbo turns on from electic circiut or if it operates manuly I think you will find its turbo problems unless it has dropped an injecter

Posted on Aug 01, 2010

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problem turbo , not producing the boost necessary for the extra fuel
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1st & 2nd gear, then complete loss of power. audi a4 tdi 2007


I presume you experienced a loss of full power but had enough to get home. The check engine lamp came on too?

It seems your engine is in limp mode due to a possible over boost pressure . The ECU runs the engine with reduced power after an over boost is detected. If you cycle the ignition key and power comes back, this is most likely problem.

A fauliy N75 solenoid, with three small bore vacuum hoses and an electrical plug/connector, is possible cause .

This over boost can be caused by sticking vanes inside the turbo .

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My 2004 passat TDI is giving me an exhaust leak sound noise.


This vehicle certainly does have a waste gate and they do have problems. However the waste gate diverts exhaust internally so you would not hear any unusual noise if it was being problematical. Also if the expected boost from the turbo did not match the actual boost there would be a check engine code and light on. If the hoses between the Turbo & the intake have a leak there may be a similar loss in power depending on the extent of the leak. It would be best to scan the engine computer to see if there are any Codes.

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1999 tdi 1.9L eci code p1550. loss of power on hills


Its not your clutch. Its one of three things which is regards to your turbo.
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Possible Symptoms
  • Irregular behaviour
  • Reduced power output
  • Limp mode
Possible Causes
  • Hoses/Pipes incorrect connected, disconnected, blocked or leaking
  • Charger Pressure Control defective
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  • Turbocharger defective
Possible Solutions
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  • Check Charge Pressure Control
    • Check Solenoid Valve for Boost Pressure Control (N75)
  • Check turbocharger

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check the rubber pipes are not collapsing ,they run from the air filter to the turbo if they appear ok then replace the turbo

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Loss of power noisy engine turbo does not come in on a 19 tdi volkswagon sharan


Well,

The turbo bearing is gone. The turbo is not able to create enough boost. A local mechanic is going to have to change out the turbo. This is an expensive repair.

Good luck

Mar 21, 2009 | 1999 Volkswagen Passat

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TDI loss of power


check the hose on the intercooler and around the turbo, check for split on turbo and the intercooler hose not too soft as they can collaps while driving

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19 tdi loss of power


I have a 1999 VW golf tdi with intermittent loss of power. The turbo will cut in for a few seconds, then die forcing you to change gear and get a small boost again. The turbo will not boost much past 2200 rpm. The cars computer has been plugged in at the garage and does not show any problems. Various people have said, replace turbo, air mass meter or just simply wash turbo filters in WD40. Can anyone help?

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