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Audi A4 2002 and later, S4 2004 and later, RS4 2007 and later (B6) hi - A4 engine temperature reading inaccurate

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Last Post: Nov 5, 2011 9:42 AM Last Post By: palefip
palefip

Posts: 3
Registered: 09/09/11
hi - A4 engine temperature reading inaccurate
Posted: Sep 10, 2011 3:53 AM
a4 , au_rg90_instruments
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i need a support,i have A4 the engine type is BKE and i have problem with the temperature in the dashboard i think is not correct.when the engine have 90 celcium the dashboard shows 70 celcium...the problem is from the temperature sensor or the dashboard?thanx
FKH161

Posts: 7,531
Registered: 12/29/05
Re: hi - A4 engine temperature reading inaccurate
Posted: Sep 14, 2011 2:30 PM   in response to: palefip in response to: palefip
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Replacing the temperature sensor in the engine bay might be a quick & cheap item to start with.

If you have access to VCDS (Vag-Com), then running an instrument cluster "output test / self test", will let you verify needle operation (will swing from cold to hot, and will stay in the middle during the test... if I remember correctly).

Don't have any info on the BKE engine, so I don't know where the temp sensor would be in the engine bay.
Titanium

Posts: 39
Registered: 08/25/04
Re: hi - A4 engine temperature reading inaccurate
Posted: Sep 14, 2011 5:54 PM   in response to: palefip in response to: palefip
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Your engine has a dual temp sender attached on top of multi-hose coolant fitting on the front of the engine, up above the oil cooler/filter housing.
There are 2 separate sensors in it, one sends signal to the ECM for engine management purposes and the other sends a temp signal to the dash gauge. The gauges rarely fail, but these dual sensors fail on a regular basis.
Part # 059 919 501 A
palefip

Posts: 3
Registered: 09/09/11
Re: hi - A4 engine temperature reading inaccurate
Posted: Nov 5, 2011 9:38 AM   in response to: FKH161 in response to: FKH161
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thanx a lot my friend
palefip

Posts: 3
Registered: 09/09/11
Re: hi - A4 engine temperature reading inaccurate
Posted: Nov 5, 2011 9:42 AM   in response to: Titanium in response to: Titanium
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thank you my friend you help me...the problem was the sensor...
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