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Tdi4



Member Since: 24 Oct 2014
Location: Houten
Posts: 513
Netherlands 2008 Defender 110 Puma 2.4 CSW Stornoway Grey
Help wanted dtc p0299 can i erase dtc whilst driving?
Hi all. Now driving in the middle of France limp mode because of dtc p0299. Can i erase the dtc code whilst driving? a defender from 1984 pretending to be a puma with a touch of Range Rover
Post #718048 16th Jul 2018 3:17pm
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ian series 1



Member Since: 17 Nov 2014
Location: south
Posts: 3127
United Kingdom 2008 Defender 90 Puma 2.4 CSW Bonatti Grey
Ideally your supposed to have ign on, and engine off,
But I have read and erased codes at work with the engine ticking over.

I did try to erase a code on my ultra gauge while driving, and it wouldn’t let you do it.

Pull over, then sort it (probably safer to!) Thumbs Up 80" 80" 86" 88" 90"

Wanted, Forward Control Anything considered.
Post #718053 16th Jul 2018 3:34pm
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Tdi4



Member Since: 24 Oct 2014
Location: Houten
Posts: 513
Netherlands 2008 Defender 110 Puma 2.4 CSW Stornoway Grey
Thnx. The question really is. What the lessen evil Laughing

1 driving on a motorway up a mountain with 30 mile an hour

2 park on the side of the motorway which is 130 cm wide

3 erase dtc code whilst diving a defender from 1984 pretending to be a puma with a touch of Range Rover
Post #718054 16th Jul 2018 3:42pm
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ian series 1



Member Since: 17 Nov 2014
Location: south
Posts: 3127
United Kingdom 2008 Defender 90 Puma 2.4 CSW Bonatti Grey
It’s the annoying boost code, pull over erase, and be on your way... Thumbs Up 80" 80" 86" 88" 90"

Wanted, Forward Control Anything considered.
Post #718056 16th Jul 2018 3:56pm
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Tdi4



Member Since: 24 Oct 2014
Location: Houten
Posts: 513
Netherlands 2008 Defender 110 Puma 2.4 CSW Stornoway Grey
Yeah problem is that not all French motorway have normal safety banks. Some are Just less than 3 feet.... so its quiet dangerous to park the car.

Any ideaa what causes the problem. At least is not temp related. Cooling temp was only 95 degrees when it happened. a defender from 1984 pretending to be a puma with a touch of Range Rover
Post #718062 16th Jul 2018 5:06pm
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ian series 1



Member Since: 17 Nov 2014
Location: south
Posts: 3127
United Kingdom 2008 Defender 90 Puma 2.4 CSW Bonatti Grey
Most probably MAP sensor having a moment!

Mine does this once every 6 months or so on a motorway drive, a quick clean does the job,
It’s quite a common issue. Wink 80" 80" 86" 88" 90"

Wanted, Forward Control Anything considered.
Post #718064 16th Jul 2018 5:23pm
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Tdi4



Member Since: 24 Oct 2014
Location: Houten
Posts: 513
Netherlands 2008 Defender 110 Puma 2.4 CSW Stornoway Grey
Update.


Map sensor haven’t checked. But the studs have come loose again!!!!

Between the exhaust manifold and the turbo.

I think this could cause the problem. Does anyone concur? Or disagree? Any input is welcome! a defender from 1984 pretending to be a puma with a touch of Range Rover
Post #718094 16th Jul 2018 7:38pm
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ian series 1



Member Since: 17 Nov 2014
Location: south
Posts: 3127
United Kingdom 2008 Defender 90 Puma 2.4 CSW Bonatti Grey
Yes, could be loosing pressure at the manifold.

Are you using the TDCI engine? 80" 80" 86" 88" 90"

Wanted, Forward Control Anything considered.
Post #718100 16th Jul 2018 8:12pm
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Tdi4



Member Since: 24 Oct 2014
Location: Houten
Posts: 513
Netherlands 2008 Defender 110 Puma 2.4 CSW Stornoway Grey
Yes i’am using a tdci 2.4 engine. Why do you ask? a defender from 1984 pretending to be a puma with a touch of Range Rover
Post #718142 17th Jul 2018 5:06am
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ian series 1



Member Since: 17 Nov 2014
Location: south
Posts: 3127
United Kingdom 2008 Defender 90 Puma 2.4 CSW Bonatti Grey
Reading your signature, I wasn’t sure what engine you are running?
Wink 80" 80" 86" 88" 90"

Wanted, Forward Control Anything considered.
Post #718148 17th Jul 2018 5:56am
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Tdi4



Member Since: 24 Oct 2014
Location: Houten
Posts: 513
Netherlands 2008 Defender 110 Puma 2.4 CSW Stornoway Grey
Just another question. As i was Reading the workshop manual (what else to do on a camping site in the middle of France in the morning). It said that you have to replace the o ring of the map sensor. How critical is this replacement? I thought to be on the safe side and clean the sensor as well. a defender from 1984 pretending to be a puma with a touch of Range Rover
Post #718150 17th Jul 2018 5:58am
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