...down idles bad and engine revs up and down most likely it's your idle air control valve the pintle inside builds up carbon on it. if you have access to a scan tool hookup to the dlc and you can test ...
down between 1000 and 2000 RPMs is the check engine light on also? it sounds like the idle air control valve is bad. this controls the idle of the vehicle. when it is stuck open it causes too much air
...engine accelarates and decelarates by itself. Also when I drive I could feel as if the car want to just zoom and drive faster; and when I stop at the lights, I hear more noise then what I am used to. ...
...down to normal speed when warm). The IAC valve is notorious for getting all crudded up inside. Then it sticks open too much (really fast idle speed) or sticks shut (really low speed). You can try ...
...down when the air conditioning is engaged. it is quiet normal for this to happen as it compensates for the extra load on the engine when the A/C compressor cuts in & out but if there is too much ...
...engine idle for at least 5 minutes with no load. If the radiator fan comes on during this time, the fan on time must be subtracted from the 5 minutes. This lets the computer learn what a no load idle ...
...down at low revs you need to clean or replace your idle air control valve(IAC). The IAC allows your engine to idle smoothly by opening and closing a valve that allows air flow to the engine that is ...
Question about Honda Odyssey
...down slowly and missing just above 1000 rev and then falls to normal rev.what could be wrong? missing when idling If the engine has a constant miss the computer should record a trouble code or two.Is ...
engine revs up and down while driving driving at 50 kmh the engine revs up and down from 1500 rpm to 2000 rpm. How is it at idle? A fast idle might be the result of a vacuum leak. Is there a check ...
Question about Dacia Cars & Trucks
...down as if the accelarator is sticking but it isnt? Worn clutch: If the clutch is worn, it may not be disengaging properly when you change gears, causing the engine to continue to rev as if you were ...
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