Hi. As some may have seen in the introductions section, I have a high mileage project car a little rough around the edges which I am doing up. However, it is a little rough running, as I'll explain. Problem is I find it hard to tell if it's misfiring or not - I've never really heard one running its best before so can't tell what it should be acting like!
It fires up straight away every time but the idle sounds a little unsure, very low, a touch rough. It will rev up reasonably keen. However, the idle seems to randomly jump up for a while, then maybe drop back down for a bit, as I said - seems unsure of itself! Then the engine management light came on and it wouldn't rev over 2,500, seemed to put itself in to limp mode! I cycled it off and on and the light is still on but it's running as it was before. I've just changed the plugs and cleaned the MAF.
I'm lost and really need help - anyone local be able to offer any help or advice?! I'd just like to hear a z running normally, or plugging it into diags would be brilliant but I can't get it to a garage as it's not insured. I'm in the west mids, DE11, if anyone who knows these could help if be more than willing to swing them some beer tokens!
Thanks for all advice in advance,
Toby