tdbzs12 Posted June 6, 2010 Share Posted June 6, 2010 hey guys any ideas my car sounds like its running on five cylinders, what do yous reckon, just a stuffed plug or??? got any ideas? Link to comment https://www.sau.com.au/forums/topic/323739-help-sounds-like-running-on-5-cylinders/ Share on other sites More sharing options...
mystery_kid Posted June 6, 2010 Share Posted June 6, 2010 (edited) plug, coilpack, injector... check all the little plugs for the fuel injectors are on properly Edited June 6, 2010 by mystery_kid Link to comment https://www.sau.com.au/forums/topic/323739-help-sounds-like-running-on-5-cylinders/#findComment-5276791 Share on other sites More sharing options...
AUS R32 Posted June 6, 2010 Share Posted June 6, 2010 Clean sparks? Link to comment https://www.sau.com.au/forums/topic/323739-help-sounds-like-running-on-5-cylinders/#findComment-5276823 Share on other sites More sharing options...
tdbzs12 Posted June 6, 2010 Author Share Posted June 6, 2010 its been raining a heap to any one reckon its could be moisture somewhere? Link to comment https://www.sau.com.au/forums/topic/323739-help-sounds-like-running-on-5-cylinders/#findComment-5276829 Share on other sites More sharing options...
Curmi Posted June 6, 2010 Share Posted June 6, 2010 i had same problem but as above check all coil pack wiring(the plugs and inside the plug to the coil packs get brittle and brake) i had to get new coil pack loom from just jap. check all ground wiring. spark plugs. coilpacks. cas. you just have to start eliminating these things one by one Link to comment https://www.sau.com.au/forums/topic/323739-help-sounds-like-running-on-5-cylinders/#findComment-5276846 Share on other sites More sharing options...
tdbzs12 Posted June 6, 2010 Author Share Posted June 6, 2010 http://www.skylinesaustralia.com/forums/EC...p;hl=diagnostic thinking can i try this? Link to comment https://www.sau.com.au/forums/topic/323739-help-sounds-like-running-on-5-cylinders/#findComment-5276887 Share on other sites More sharing options...
tdbzs12 Posted June 20, 2010 Author Share Posted June 20, 2010 (edited) since my last post i have determined its cylinder 5 not firing ive checked the coils and the plugs and there fine. as im an electrician not a mechanic i took it to one he checked the same and the injectors again all good but determined the coil plug was not getting enough voltage on the primary side??? i was also told it was supposed to be 2.5kv?? i dont know of a mutli-meter that tests this high? but was assured it was not jumping to the block when they tried to get it to. and to take it to an auto electrician. so i was wondering if any one had a wiring diagram that i could use to try and find the fault or any ideas on what it could be??? or more on how it works to assit me fixing the problem cheers Edited June 20, 2010 by tdbzs12 Link to comment https://www.sau.com.au/forums/topic/323739-help-sounds-like-running-on-5-cylinders/#findComment-5302407 Share on other sites More sharing options...
tdbzs12 Posted June 21, 2010 Author Share Posted June 21, 2010 anyone? Link to comment https://www.sau.com.au/forums/topic/323739-help-sounds-like-running-on-5-cylinders/#findComment-5304334 Share on other sites More sharing options...
tdbzs12 Posted June 24, 2010 Author Share Posted June 24, 2010 ok so i pulled the computer out the other night to see if i could run a self diagnostic, could quit figure out if my ecu had leds to flash codes so i gave up on that. i had the computer siting on me passengers floor still and i started seemed to be running on all six again so as i jumped out of the car i closed the door causing the cylinder to drop out momentarily so i went and taped the wiring loom going to the ecu each time causing a cylinder to drop out, i the proceeded to try to find out which wire was causing the assumed bad connection with no luck and what seemed to be multiple cylinders to drop put!!! keep fiddling and got all to come back but stil unsure which wire repeated this process a number of time and still no result!? can doing this somehow damage something or confuse the computer???? as it would be registering fault codes on the ecu wouldnt it? Link to comment https://www.sau.com.au/forums/topic/323739-help-sounds-like-running-on-5-cylinders/#findComment-5310848 Share on other sites More sharing options...
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