WorkInProgress
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Just been out poking about under the bonnet and I've found if I tilt my ICM a certain way my lumpy idle disappears. Could a loose connection / wire in the ICM be causing my lumpy idle issue?
Lumpy Idle & ICM
- Thread starter WorkInProgress
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WorkInProgress
Registered User
Il be getting that airbox back on my friend. That's what il be doing tomorrow. Can't see it being the amp itself. Possible the wiring?
WorkInProgress
Registered User
Yeah it's been that way for a while, new plugs and cleaning throttle body tomorrow, will check for leaks under the inlet manifold too. Wasn't too bad on the old exhaust but it sounds like I'm sitting revving the engine boy racer styleee at junctions and lights with the new one. I suppose when it's your own car you become hyper-sensitive to these things. It's just really annoying just now
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Airleak from a split pipe or something will give a lumpy idle... faulty ICM will give a misfire and make the engine sound like a scooby
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WorkInProgress
Registered User
Hopefully it is just a leak from somewhere, finding it should be fun!
I don't get how moving the ICM about changed the idle though, will need to check the wiring on the 2 connectors to see if anything is amiss
WorkInProgress
Registered User
You going back to the airbox? I'm going to persevere with it for a while, see how I get on
WorkInProgress
Registered User
Well I changed spark plugs and cleaned the throttle body. Much better. Very slight fluctuating idle but so much better. Only seems to occur when my foot is on the brake now, not ideal but I can live with it
