1999 DTI Renault Scenic Airflow sensor - Renault Forums :: Independent Renault forum

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post #1 of 2 (permalink) Old 17th January 2008 Thread Starter
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1999 DTI Renault Scenic Airflow sensor

Anybody know if you can test an airflow sensor out of a renault scenic 1.9DTI with a multi meter or what voltage I should expect out of the pins on the plug? The car is down on power with this sensor fitted and the engione light does not come on but when I disconnect the airflow sensor the car has loads of power and runs like normal. I would like to know how to test the sensor properly before I replace it or has anybody had this problem before?

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post #2 of 2 (permalink) Old 18th January 2008
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You can check the feed and earth readings easily with a multimeter,but to check the readings from the sensor when the engines running is a bit more invloved.

To check the feed,remove the plug from the sensor and check that you have battery voltage between pin 3 of the wire connector and earth.

To check the earth,do a continuity check between pin 1 of the wire connector and the earth terminal on the battery.You should have no resistance.

Be warned though,just because the car performs better with the sensor disconnected doesn't automatically mean that it is faulty.
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Last edited by Lagdti; 18th January 2008 at 12:47 PM.
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airflow , dti , renault , scenic , sensor

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