[DML] Re: 911, engine running on 3 cylinders MORE INFO
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[DML] Re: 911, engine running on 3 cylinders MORE INFO



thanks for your help matt.
i had the help of an RAC man (roadside breakdown assistance) and he
couldnt understand it either. we did the test you describe (earth a
plug on the block, try to get a spark). when connected to one on the
left, you get a really big spark. no spark at all on any on the right.
the guy had me start the car, pulled off all 3 right spark leads,
nothing happened. pull off 1 of the left 3 and it stalls immediately.
 
 the emmisions test is the English MOT (still pretty strict). the car
is very underpowered at low speed.  the spark plug contacts are a bit
white on the firing side, and oily on the non firing. the cap is
definately ok, i havent had the distributor off yet.

--- In dmcnews@xxxxxxxxxxxxxxx, "dmcchaser" <dmcchaser@xxxx> wrote:
>
>   Are you certain that only three plugs are getting spark?  The 
> reasons I ask are:  The car should be almost undriveable on only 3 
> cylinders.  The car could not have passed its emissions test while 
> missfiring that badly, the HCs would have been far too high.  It's 
> very unusual to lose exactly half of the firing events in this way.
>   That said, I don't doubt that your test is correct.  Let's take it 
> a step further.  Pull the spark plugs out of the cylinders that 
> aren't running and take a good look at the ends.  Are they clean and 








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