Error code P0299 turbo underboost - Vauxhall Antara Forums
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post #1 of 2 (permalink) Old 12th July 2019, 19:54 Thread Starter
Junior Member
Join Date: Dec 2018
Posts: 12
Error code P0299 turbo underboost

Hi guys,

I now have the above error along with P2080 (exhaust gas temp sensor) the sensor was replaced a few months ago and seemed ok.

the oil change light is now on too.

So underboost is like a valve is stuck open for the turbo? Does anyone have any idea of what I should be checking- I have found no technical trouble shooting guides/manual for this car what so ever.

I will be changing the oil and filter this weekend, I can't imagine all 3 are linked? Im not even sure how underboost and gas sensor are but they appeared at the same time.

Any help is grateful.

PhilT is offline  
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post #2 of 2 (permalink) Old 20th July 2019, 08:32
Senior Member
Join Date: Feb 2019
Location: Warwickshire
Posts: 143
I have not come across this problem before, Just a hunch, but sounds like your car may need a service. Oil & filter are standard but also check your air filter and replace if necessary. My logic is that if the engine is starved of air it may elevate the exhaust temperature. Let me know what you find it would be interesting to find out.
Richy is offline  

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