polyal Posted February 1, 2013 Share Posted February 1, 2013 hi its getting diesel ..its got new glowplugs..it didn't breakdown but now it wont start..it just tries to fire but just puffs out grey smoke even with plenty of cranking power can anyone help its a 1999 V REG fiesta 35 van regards polyal Quote Link to comment Share on other sites More sharing options...
Preee Posted February 1, 2013 Share Posted February 1, 2013 I would double check the Glo Plugs and wiring to them , put the old ones back in see if it starts Quote Link to comment Share on other sites More sharing options...
polyal Posted February 1, 2013 Author Share Posted February 1, 2013 hi paul thanks for the reply..the glow plugs are definately working..they have a resistance of about 3ohms are sinking about 15A each when the glowplug indicator is on + they were bench tested before they were put into the vehicle ( 3 of the original glopugs were faulty..hence the new set ) someones mentioned giving it a tow start ..does this make sense its cranking really well on a fully charged battery regards polyal Quote Link to comment Share on other sites More sharing options...
Preee Posted February 1, 2013 Share Posted February 1, 2013 I would still say there may be a problem with the glo plugs to be getting grey smoke , a compression test might shed a little light on the subjuect as well. Switch them around in case the first one is faulty Quote Link to comment Share on other sites More sharing options...
stef123 Posted February 2, 2013 Share Posted February 2, 2013 hi paul thanks for the reply..the glow plugs are definately working..they have a resistance of about 3ohms are sinking about 15A each when the glowplug indicator is on + they were bench tested before they were put into the vehicle ( 3 of the original glopugs were faulty..hence the new set ) someones mentioned giving it a tow start ..does this make sense its cranking really well on a fully charged battery regards polyal If they are drawing about 15A each then the resistance will be more like 0.8 ohms Quote Link to comment Share on other sites More sharing options...
polyal Posted February 2, 2013 Author Share Posted February 2, 2013 in effect the resistance is short circuit + the device ( gloplug ) when it gets hot the resistance increases the 3 ohm reading is the multimeter readout which is very dependant on the multimeter spec so 3 ohms is as good as a short cicuit ( but not quite ) hence the effect of the gloplug if you short circuit a battery with a zero resistance material then nothing happens because there is no voltage drop ...so no current can flow the nearest you can get to zero resistance is silver ...but never zero Quote Link to comment Share on other sites More sharing options...
stef123 Posted February 2, 2013 Share Posted February 2, 2013 in effect the resistance is short circuit + the device ( gloplug ) when it gets hot the resistance increases the 3 ohm reading is the multimeter readout which is very dependant on the multimeter spec so 3 ohms is as good as a short cicuit ( but not quite ) hence the effect of the gloplug if you short circuit a battery with a zero resistance material then nothing happens because there is no voltage drop ...so no current can flow the nearest you can get to zero resistance is silver ...but never zero I would love to see someone short out a battery with something of '0' resistance, the battery's internal resistance will cause it to heat up and probably explode Just hope I'm not around someone trying it Quote Link to comment Share on other sites More sharing options...
polyal Posted February 2, 2013 Author Share Posted February 2, 2013 i'm right behind you Quote Link to comment Share on other sites More sharing options...
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