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Misfiring 260

DRKSKY32

By DRKSKY32,
in Four Door Family & Wagoneers

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DRKSKY32 Enthusiast

DRKSKY32

Posted
Posted

hey guys my stag seems to be missing at idle and low revs but it only starts after a few mins of driving around (fine in high revs) my first thought was plugs so I got NGK iridiums, that made no difference so then I changed the coil packs to brand new super sparks and again no change, I been searching for ages and a lot of ppl seemed to have had this problem before and it was fixed by changing the coil packs? any help would be appreciated cheers

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rb26stagea Grand Master

rb26stagea

Posted
Posted

Splitfire coils.... Had the exact same issue, and it was put down to faulty coils (very common RB problem): cahnged to splitfires and had no issues since... Get a good mech to check your coils and spark plug gaps (mine are gapped way down for high boost), but 9 times out of 10, the standard coils are the problem...

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chef_stagea Grand Master

chef_stagea

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Posted

i had this with my 260..

turned out to be a tiny crack in the intake manifold letting the smallest bit of unwanted air in... and an injector o ring doing the same thing...

do a leak down test on it..

(block of the intake holes with can or tomatoes or something and clam it in, and find where u can pump air into the system,

pressurize it to the boost u run and let it sit... it shouldnt idealy loose any pressure...)

once uve done this, get a hose... one end in ur ear.. and move it around to find the hiss.

good luck :)

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dalton Contributor

dalton

Posted
Posted
cool cheers for that I'll give that a go to, I'll make sure to post any results up here for future

had this problem on a aristo single turbo it was the wiring to the coils them self's had broken down with the heat just cut it back as far as you can and re-place and ran fine if you do this make sure you heat rap the joint's

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