gibbon Posted May 26, 2009 Share Posted May 26, 2009 Hi, Weve got a 4l 2000 series 2 discovery running on LPG but shortly after it was serviced it started to have backfiring/lumpy running issues, and this may be down to the spark plug gaps not being 'reduced' to fire it on lpg! However, does anyone know what the reduced gap should be???? Quote Link to comment Share on other sites More sharing options...
jiginc Posted June 1, 2009 Share Posted June 1, 2009 Hi,Weve got a 4l 2000 series 2 discovery running on LPG but shortly after it was serviced it started to have backfiring/lumpy running issues, and this may be down to the spark plug gaps not being 'reduced' to fire it on lpg! However, does anyone know what the reduced gap should be???? Mine are set to .8mm the origional setting was 1.1mm jiginc Quote Link to comment Share on other sites More sharing options...
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