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Hello guys, Yesterday I bypassed the idle air ***ist valve that helps heat up the cat during cold starts but since then the exhaust smells more of petrol than it used to which is expected but is it in any way harmful to the engine or the oil getting contaminated etc, I wanted to bypass it as...

New tyres (all season), redone valve lash (last idiot did them: IN too loose EX basically 0), new gasket for the valve cover, new drop links (555), arb bushes, both solenoid gaskets, surface rust repair, aux belt and pulley. And I have to say for the 6 month I've had it feels like I just bought...

Where though? Tps and tb are my guesses and I read that small changes in idle are controlled by ignition so I was thinking if my knock sensor is not doing it's job.

No codes at all and it doesn't have idle control system, it's dbw.

I tried blocking the intake with my hand to see if the engine would breath through somewhere else when under high suction but nothing it almost stalled..

Small update, changes plugs and valve lash adjusted. It made little difference. Now once fully warmed up, won't go below target idle, with AC now it would drop to 500 and just go back to normal, not shoot to 1000 a few times. I have been on a long drive and probably cleared the cat a bit, could...

Hello guys, I've recently bought an 07 Accord CL9 2.4 and noticed when I press the clutch the revs drop to around 600 and jump back up to around 1100 and then slowly to the normal idle speed of just over 600. So far I've cleaned the throttle body, PCV and map sensor I've reset the ECU but...