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edward Guest
Free account, no CAN development support
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19-09-2002, 12:26 Subject: Test LDR Pressure Canister |
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Hello,
How can I check the pressure sensor of the turbocharger control system? I have a feeling that it might be stuck! Shouldn't the rod that comes out of the sensor move when accelerating hard?
Translated on 26-07-2026, 11:43.
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dieselschrauber Administrator


Joined: 04/12/2002 Posts: 18045 Karma: +791 / -0 Location: St.Gallen 2018 Volkswagen T6 
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19-09-2002, 12:34 Subject: Test LDR Pressure Canister |
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Hello,
From your post about the top speed, I gather that you have a 1Z engine.
This is important for the operation of the turbocharger pressure control system.
In principle, the maximum boost pressure in turbocharged diesel engines is only achieved under full load conditions.
Therefore, it is perfectly normal that when you accelerate while idling, there will be little or no change in the boost pressure limiter, and you cannot test the pressure sensor in this way.
Just disconnect the pressure hose from the can and apply pressure to it, for example with a bicycle pump. You'll likely have a better sense of whether there's an obstruction in this way than any other method.
Best regards, Rainer.
Translated on 26-07-2026, 11:44.
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edward Guest
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19-09-2002, 12:36 Subject: Test LDR Pressure Canister |
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Yes, you are absolutely right (1Z).
I probably understood that, thank you very much.
Translated on 26-07-2026, 11:45.
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