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Green Machine

Member Since: 19 Nov 2010
Location: North Yorkshire
Posts: 1226

2.2 limp mode and fault codes

Afternoon all. Posting on behalf of my Dad who has a 2012 MY 2.2 Puma.

He is having issues with it going into limp mode, which has now happened several times. He says that it is happening under acceleration / moderate engine load e.g. getting up to speed when pulling out of junctions and then it goes into limp mode.

He's had a local mechanic have a look at it who replaced one of the sensors - he said it was the most accessible one on the top hose. Unsure which sensor that actually is? But it has once again gone into limp mode recently.

There are a number of fault codes logged which are:

P06BA-00 - Cylinder 2 - Glow plug circuit - Range / performance
P06BB-00 - Cylinder 3 - Glow plug circuit - Range / performance
P007D-15 - Charge air cooler temperature sensor - Circuit high - Bank 1
P0045-13 - Turbo / supercharger boost control solenoid circuit / open
P2263-22 - Turbo / supercharger boost system performance

He says that all the hoses have been checked for splits / loose clamps and all are OK. It is a pretty low milage 90 (around 25k) so I'm guessing it's most likely to be a sensor / electrical issue?

Any suggestions as to where the fault may lie gratefully received! 2005 Td5 | 90 Station Wagon | Tonga Green

1st Jul 2021 1:27pm

hank

Member Since: 12 Sep 2016
Location: South Wales
Posts: 2325

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

The first two won't cause limp mode.
Third one won't cause limp, only over/underfuelling.
The last two will and look to be an issue with the turbo actuator or variable turbo geometry vanes.

I have read that the actuator wiring can chafe/wear through near the connector so check there first.

If all ok, disconnect the rod between actuator to turbo (remove one c-clip - be careful not to lose it!) then start the engine and see whether the turbo actuator (black box) motor wiggles back and forth. Give it a prod and it should try to return to centre.
If that seems ok feel the rod/lever at the turbo end to feel for smoothness of operation. If it's notchy/sticky then you have internal turbo issues. > 110 XS Double Cab

1st Jul 2021 2:06pm

hank

Member Since: 12 Sep 2016
Location: South Wales
Posts: 2325

You can see in this video the actuator is trying to act and move the rod but there is resistance at the turbo end meaning the actuator/rod cannot move. You want to check that both actuator and turbo end can move freely

> 110 XS Double Cab

1st Jul 2021 2:16pm

Green Machine

Member Since: 19 Nov 2010
Location: North Yorkshire
Posts: 1226

Many thanks for the suggestions. Will pass them on. Much appreciated.

2005 Td5 | 90 Station Wagon | Tonga Green

1st Jul 2021 10:07pm

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