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EGT/MAF resistance?

Discussion in 'A4/S4 forum(B5 Chassis)' started by S4_Biturb, May 23, 2012.

  1. S4_Biturb
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    S4_Biturb New Member

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    Hi all, EGT's are coming up on diagnostics and the cars running a but rough on idle which i suspect to be the MAF. Does anyone know the resistance for the egt and maf pins? (B5 S4)

    Thanks
    #1
  2. Arrkon
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    Arrkon Midlands regional Moderator Regional Rep

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    Pull the MAF plug, the ecu should default to baseline tables. If it runs better then it's def at fault.
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  3. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator

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    EGT doesnt really have a resistance, its an active device which sends back a PWM signal.

    Similarly the MAF gives out a voltage corresponding with the airflow.
    #3

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