08 honda crv weird idle?

My crv kind of idles up and down on it's own, not alot but I notice it. When I'm driving when I let of the throttle I ll feel it do these little jerks. I'm not sure what's going on but I don't want my car to break down

Do you have air conditioning? When the compressor engages it saps some power from the engine, and the computer has to add some throttle to compensate.

Clean the idle air control valve.

Check the bottom side of the intake hose between the air filter and throttle body for cracks.
If the battery was recently disconnected the PCM needs to relearn the idl speed which takes 15 minutes of driving in stop and go conditions.

Hi it needs professional attention with a HONDA dealer.

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