ProjectSi
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| posted on 22/11/17 at 10:51 PM |
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Zetec misfire
Got my Zetec on bike carbs running really nice so decided to fit my Kent FZ2002 cams however since fitting, the car has developed a bad misfire when
I’m a high gear at motorway speed. Under hard acceleration is pulls really well in the lower gears, however at cruising speed it begins to misfire
badly unless i floor it, then it eventually stops spluttering and normal power is resumed but only on WOT. Any ideas what could be causing this, I
assume this is just a set up issue? The car is running quite rich aswell but just wondering if anything else I should look at. Coilpack and leads are
all good.
Thanks
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chris
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| posted on 23/11/17 at 03:18 AM |
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Only going on past experience hear with my St170 under acceleration it was ok but try to cruise at neutral throttle and it misfired badly turned out
it was vvt permanently at 100percent so inlet cam was to far advanced so I would recheck cam settings
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ProjectSi
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| posted on 23/11/17 at 10:58 AM |
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quote:
Originally posted by chris
Only going on past experience hear with my St170 under acceleration it was ok but try to cruise at neutral throttle and it misfired badly turned out
it was vvt permanently at 100percent so inlet cam was to far advanced so I would recheck cam settings
Yeah guess it’s a possibility, seems coincidental that it’s started since fitting these cams
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