Dennisk Clutched October 23, 2005 Share October 23, 2005 previously i used rating 20 plugs....found that is too cold...got carbon foulings.... then i change to rating16 NGK iridium plugs.... after using for few months...i decided to take out and see....found that still got carbon fouling.... anyone can help me....my FC is poor also...maybe is due to this problem... ↡ Advertisement Link to post Share on other sites More sharing options...
Normal_aspirated Clutched October 23, 2005 Share October 23, 2005 can show closed up view of the electrodes area, boh? Link to post Share on other sites More sharing options...
Dennisk Clutched October 23, 2005 Author Share October 23, 2005 Link to post Share on other sites More sharing options...
Maddriver 4th Gear October 23, 2005 Share October 23, 2005 btw..wats yr ride??? Link to post Share on other sites More sharing options...
Dennisk Clutched October 23, 2005 Author Share October 23, 2005 mazda 323 Link to post Share on other sites More sharing options...
Trex101 3rd Gear October 23, 2005 Share October 23, 2005 It looks like only plug no.3 has this problem, so you can discount out your F/A ratio running over rich. It looks like your no.3 intake/exhaust valve or injector has excessive deposit thus the uneven combustion. I would recommend you should run a strong dose of injector cleaner for a few tank, see if it solve your problem. Link to post Share on other sites More sharing options...
Normal_aspirated Clutched October 23, 2005 Share October 23, 2005 can try Redex injector cleaner concentrate.........mix in fuel tank. Link to post Share on other sites More sharing options...
Dennisk Clutched October 23, 2005 Author Share October 23, 2005 ok...gonna buy one... Link to post Share on other sites More sharing options...
Dennisk Clutched October 23, 2005 Author Share October 23, 2005 but it seems like all have carbon fouling on them....is it A/F too rich? is it this problem that affected my FC? Link to post Share on other sites More sharing options...
Trex101 3rd Gear October 23, 2005 Share October 23, 2005 Bro, can do a close up view on all your plugs? like that cannot tell leh. Link to post Share on other sites More sharing options...
Dennisk Clutched October 23, 2005 Author Share October 23, 2005 sparkplug 1,2 & 4. sparkplug 3 already posted above... Link to post Share on other sites More sharing options...
Trex101 3rd Gear October 24, 2005 Share October 24, 2005 Dennisk, the rest of the plugs look ok. Try the injector cleaner first, it should solve the problem. Link to post Share on other sites More sharing options...
Octopus 3rd Gear October 24, 2005 Share October 24, 2005 previously i used rating 20 plugs....found that is too cold...got carbon foulings.... then i change to rating16 NGK iridium plugs.... after using for few months...i decided to take out and see....found that still got carbon fouling.... anyone can help me....my FC is poor also...maybe is due to this problem... Errr.....actually, I think your spark plug looks OK leh? How many mileage had you clocked so far with the set of spark plug? Link to post Share on other sites More sharing options...
Dennisk Clutched October 24, 2005 Author Share October 24, 2005 looks ok? <10000km Link to post Share on other sites More sharing options...
Kanr 1st Gear October 24, 2005 Share October 24, 2005 seem lots of carbon !!! Link to post Share on other sites More sharing options...
Dennisk Clutched October 24, 2005 Author Share October 24, 2005 erm.....ya agree.... how how? Link to post Share on other sites More sharing options...
Dennisk Clutched October 25, 2005 Author Share October 25, 2005 It looks like only plug no.3 has this problem, so you can discount out your F/A ratio running over rich. It looks like your no.3 intake/exhaust valve or injector has excessive deposit thus the uneven combustion. I would recommend you should run a strong dose of injector cleaner for a few tank, see if it solve your problem. i bought the REDEX fuel injector cleaner...there is 2 type...one type is restores performance= $18.50 the other type is for maintainence =$9.50 i bought the restore performance one...hopefully will help.. Link to post Share on other sites More sharing options...
Dennisk Clutched October 25, 2005 Author Share October 25, 2005 bought already...one full bottle for one tank....wah...quite ex... ↡ Advertisement Link to post Share on other sites More sharing options...
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