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Random Misfiring

Greetings from my jollies:D

 

The Z has started misfiring on one or more cylinders, not all the time and usually after it's been stood for even an hour or so. First time was in the wet. second time it was dry. Both times it has cleared itself after 10 minutes or so, hoever this last time it hasn't as yet

 

Any ideas what's causing this and how can I find out which cylinder(s) it it is

 

Cheers:confused:

 

It's a 93 N/A manual.

 

BTW I'm on a rip of tertminal that charges a quid for 10 minutes. Hope you guys can point me in the right direction. I'll drop in later

Edited by Tango450

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    If its missing on more than one cylinders it might be a failing PTU, only way to prove that would be to borrow a good spare.

    If its just missing on one, then look at the coil packs etc, disconnect one at a time to try and isolate the problem.

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