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360CS RH bank no fire

Discussion in 'Technical Q&A' started by erik stearns, Jul 6, 2025 at 3:25 PM.

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  1. erik stearns

    erik stearns Rookie

    May 9, 2013
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    #1 erik stearns, Jul 6, 2025 at 3:25 PM
    RH bank of the engine is not getting fuel. Just getting started. Trying to find a little help vs starting at ground zero. The fuel rail has fuel pressure, have not checked spark yet, however I did pull a plug out and it is dry, no fuel at all.
     
  2. Qavion

    Qavion F1 World Champ
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    Ian Riddell
    #2 Qavion, Jul 6, 2025 at 6:31 PM
    Fuel pressure in the rail means your immobiliser and crank sensor are ok.

    Try swapping the left and right Master Motronic Relays behind the seats. These provide 12volts power to the coils, injectors and cam sensor. Also check fuse 41 (green) as shown below. Fuse numbers and relay numbers may vary from car to car, but the location is the same.

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  3. Qavion

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    #3 Qavion, Jul 6, 2025 at 6:44 PM
    The problem may be more localised than power coming from the relays, but let us know how you go with the relays and fuse.
     
  4. Phelips

    Phelips Rookie

    May 30, 2025
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    Russel Phelips Brown
    #4 Phelips, Jul 7, 2025 at 8:43 AM
    Check the injectors on the RH bank could be a wiring issue, bad connection, or clogged injectors. Swap LH and RH injectors to see if the problem follows. Also, test for spark while you're at it. If injectors are firing, might be a ECU or fuel map glitch.
     
  5. Qavion

    Qavion F1 World Champ
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    #5 Qavion, Jul 7, 2025 at 9:31 AM
    How often do all 4 injectors fail simultaneously?
     

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