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pkrynicki1984

Member Since: 06 Dec 2017
Location: stoke on trent
Posts: 8

Turbo temp fault

Have seen similar threads.

When cruising on a run my turbo seems to stop boosting altogether.

seems to turn into a gutless old diesel , resetting the ignition cures it but it happens soon after.

Engine management light is on.

2007 2.4 tdci

6th Dec 2017 9:15am

andydef90

Member Since: 09 Feb 2015
Location: yorkshire
Posts: 617

2014 Defender 90 Puma 2.2 HT Corris Grey

have you checked the air pipes for splits its a common fault

6th Dec 2017 12:16pm

pkrynicki1984

Member Since: 06 Dec 2017
Location: stoke on trent
Posts: 8

will do thanks.

seems strange that a reset sorts it out.

6th Dec 2017 1:40pm

dorsetsmith

Member Since: 30 Oct 2011
Location: South West
Posts: 4554

Sound more like electric problem with turbo controls ( Actuator vane) VGT if you can reset by switching ignition off

and no high pitch air sound and lots of black smoke from exhaust

plug the diagnostic in and read fault codes loge in ECM this will help you track down you problem

work shop Manuel below for 2.4 engine

https://1drv.ms/b/s!AtZSoWFHDgnGhQoLf-ZCjkI5M0R7

6th Dec 2017 2:16pm

Chopperone

Member Since: 13 Nov 2016
Location: Derbyshire
Posts: 396

See my thread on temporary turbo failure.
I thought initially that my problem was a heat problem but I had no change in temp & no warning lights.
In your case I would remove the MAF sensor & wash it off - plenty of info on this site & see if that clears the problem.

Meanwhile I will be investigating my problem
Guy May your life be like toilet paper ; long & useful.

6th Dec 2017 10:42pm

pkrynicki1984

Member Since: 06 Dec 2017
Location: stoke on trent
Posts: 8

Thanks for that.

7th Dec 2017 8:14am

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17361

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

You might also want to check that the wiring harness that runs from the ECU all aruond and over the engine to the turbo actuator isn't chafing and getting damaged at any of the points of contact on the engine. My turbo ceased to boost because one of the feedback connections from the actuator stepper motor wore through because of this, widespread, problem. When I inspected the harness there was significant chafing damage at about four places, and at one point the insulation on the main (permanently live) feed from the alternator to the battery was chafed to the point you could just see copper. I reckon I was days away from a mojor vehicle fire.

After I repaired the broken wire and reinsulated the other damaged ones, then rewrapped the harness and secured it better with more protection, the turbo worked perfectly again. I do still check it for damage as part of my regular service checks.

7th Dec 2017 8:29am

pkrynicki1984

Member Since: 06 Dec 2017
Location: stoke on trent
Posts: 8

Many thanks for that.

I'll give it an inspection later , would it still make sense a ignition reset cures my problem ? usually for a very similar amount of time until the turbo dies again?

7th Dec 2017 10:36am

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17361

It is possible, if, for example, something is intermittently grounding and causing a fault, then un-grounding.

7th Dec 2017 12:31pm

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