cosworth misfire cyl 1
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From: essex
cosworth misfire cyl 1
can annyone help got an annoying misfire on plug 1 changed all plugs leads cap rotary arm ignition amplifier when i pull plugs out 3 are normal and plug 1 is sooty
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Joined: May 2007
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From: norway
Maybe a injector leak. I had the same on my ex Sierra, it was the earth lead to injector, that was unisolated and earth in fuel rail, then it it was open all time. Check wire
Take injector clip off injector 1 and check both wires are seated in the connector properly
If not then push them home
If they are, then try swapping an injector or an injector plug as per Simon
If not then push them home
If they are, then try swapping an injector or an injector plug as per Simon
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