MAJOR missfire

Discussion in 'Discovery' started by Ralphdtd, Nov 11, 2016.

  1. Ralphdtd

    Ralphdtd New Member

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    Hi everyone! I recently got myself a disco 1(1998 v8 4.0L). The truck run great even with a lack of power for a few day then started to missfire a lot. I cheked and tested everything, fuel pressure ;compretion;spark plug; wire ; ignition coil ; coil + and - alimentation ; computer ; crank and cam sensor ; vss ; etc. I left the car inside a heated garage for 2 day and randomly started running well. Took it for a drive and after couple minute it was worst then never, run so bad that the catalytic converters melted and opened. I'm new to the Land Rover world and I have no idea where to cheke right now, got told that it could be a static problem with my fuse box but I ain't sure at all about this. If anyone could help me or point me into any direction I would really apreciate it.
    Thanks a lot!!
    Ralph.
     
  2. joey

    joey Custom Rover Accessories Staff Member

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    If it melted the cats, it is way too rich. Normally caused by temp sensor it will show the ECU the engine is still cold and keep running very rich till it warms up which it will not do.
     

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