MAF Blowing Fuse S320 CDI - Wiring

Discussion in 'Electronics' started by GoldorSilver, Nov 17, 2008.

  1. GoldorSilver

    GoldorSilver New Member

    Nov 17, 2008

    I have a W220 S320 CDI 51 plate and have got the 7.5A fuse blowing that supplies the 12v to the MAF. Have just replaces the wires direct to the ecu the MAF has been changed and it still pops in about 20 seconds of starting the engine. You know when it has gone as the Coolant warning comes on the dash and it goes into limp mode.

    The fuse is in the box left hand side of engine at the rear looking at the engine it is the 6th fuse down and I have no fuse diagram or wiring diagram available. Can anyone tell me what else uses this fuse so I can check for a short and has anyone else had this problem or a simialr one.

  2. PJayUK

    PJayUK Active Member

    Oct 6, 2008
    Surrey, United Kingdom
    ML320 W163, E320 W210 & Jaguar X300-XJR6
    According to my fuse diagram thats for the engine fan. Cant see anything that mentions its for the Mass Airflow... Then again mines an s320 petrol, maybe diesel is different

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