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well have now changed the leads (twice as it goes as the 1st set of Magnecor were faulty can you believe!) and the friggin thing is STILL mis-firing! Guess I'll change the Coil Pack then what if that doesn't work...?

if only my 172 Cup was so easy...

OK, have now changed the spark plugs & HT leads but still have a bl**dy mis-fire at about 2000rpm on my 172 Cup - I'm guessing the Coil Pack is the next thing to try but this is starting to get expensive & blo*dy annoying now!!! Anybody got any suggestions that don't involve burning it out in a...

ash, did you do that due to a problem with the original leads or did you just upgrade? Have ordered some Magnecor 8mm leads now @ £75 delivered which I didn't think was too bad?

cheers, would you use upgraded or OE leads?

Hi, have now changed the spark plugs on my 172 Cup & it STILL mis-fires at 2000rpm, seems OK above & below this & seems to accelerate strongly. I'm guessing from reading a few of the other posts on here that the Coil Pack would be the next thing to change then possibly the HT leads? Is it worth...

Re: What model do you own? + 1

no idea, sorry. If you roll the seat cover up so you can see the cable you should be able to make sure you get the right one.

somebody has suggested changing the plugs, anybody recommend the best plugs to use in a 172 Cup - K-Tec recommend their own plugs but these must be Bosch or simliar that are probably available cheaper elsewhere?

just done mine on my 172 Cup - cable cost about £16.50+ VAT & it took about 20mins. You need to roll the seat cover up out of the way after unhooking the elastic keeping it in place then it will all become very obvious! The plastic cover around the handle needs to come off & you'll need an Allen...

Hi, my 172 Cup seems to have developed a hiccup @ 2500rpm, only seems to be when cold & then not all the time so very frustrating! It seems to have either a mis-fire or a fuelling problem, below 2500 & over 2500rpm it seems fine - a local Renault traing technician has plugged it in & it is...