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| missfire/ studdering under load in a ca 16 enigine http://ozdat.com.au/forum/viewtopic.php?t=32590 |
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| Author: | fast2door120y [ Wed Apr 09, 2014 9:02 pm ] |
| Post subject: | missfire/ studdering under load in a ca 16 enigine |
Hi guys i posted on here awhile ago about my ca 16 engine in my race car fluffing/missfire/studdering as of yet the issue hasnt been fixed since then i have checked the earth straps and found all ok the coil pack is fine i have changed fuel tank to a fuel cell thinking that there might have been some crap in the old tank when i last ran it which was last sunday the car had a few fluffing but then seemed to clear and the car ran without any problem untill the last couple of runs the studdering had returned to a point where the car felt like it had no power then it would clear then it would go into studdering again then clear then back to studdering i went over a bump on the track and all of a sudden the car came to life and it reved out to 7,500 rpm with out any trouble and the it was like a rocket but then the studdering was back thats if you call it that but i noticed the tacho was erratically going from 2,000 rpm to 5,000 rpm anyone have any ideas what this could be its starting to do my head in cheers |
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| Author: | xfacta [ Thu Apr 10, 2014 7:12 am ] |
| Post subject: | Re: missfire/ studdering under load in a ca 16 enigine |
I was thinking fuel pump right up until you mentioned the tacho - it's got to be whatever is firing the coil pack, either the ECU or separate ignition module. As a test you could even disconnect the tacho wire to make sure that's not interfering, depends if you take the tacho signal off the ECU or somewhere near the coils. |
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