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Hyundai accent idle speed
if you are trying to change it while it is running it always needs an earth for the ecu otherwise there should not be any reason connected with the battery to cause idle problem
battery is low charge. Take it for a long drive, to take the load off the engine from the alternator charging it.
Click on the link below Click on Owner Guides The Owner Guide ( which includes the DRIVE CYCLE instructions ) can be viewed online The vehicle has to relearn its idle
2003 santa fe 2.7 what could cause The engine whilein park the idle is smooth when in gear engine has intermttent miss & hesitates on acceleration with minor backfire
it seems there a small screw back of the intake but the idle is control by the ecu.
changed battery in 2000 chrystler sebring and now will not idle
Has it had a chance to relearn its idle since disconnecting the battery cables ?
No, that has nothing to do with idle speed.
Because the engine is running. Shut it off or give it gas and it will not idle.
With mine, the rough idle was fixed by changing the spark plug wires.
its on the lower passenger side of the engine block