my car's rpm fluctuates on idle between 0.3k-1k. engine makes extra noise
hi friends, i have corolla 2008. my car's rpm fluctuates on idle between 0.3k-1k. engine
makes extra noise. sluggish when going above 40km/h in 2nd gear . low pick and low
power. changed plugs, throttle body cleaning but same problem exists and their is no
engine check light on running engine. what is the possible problem?
Did you also clean your IAC? (Idle Air Control Valve) If so and no results, you may need to replace it. Here's a short video: https://www.youtube.com/watch?v=mfauGoGXCmo
didn't clean IAC. but if there was a problem with IAC the chec engine light should glow?
I don't think I've ever run across an IAC code. It's easy to clean. https://www.youtube.com/watch?v=C419kwrH0vE ttps://www.youtube.com/watch?v=ez5ykPAMG8k
http://www.obd-codes.com/p0505 ..P0505 is IAC
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