Question about Mercury Villager
...idle air control valve. The computer controls idle speed by regulating the amount of air into the intake. Could also be something pulling on the throttle cable such as the cruise
the power brake booster and engine seams. Then try any vacuum line to the transmission. Could also be a burst vacuum shift diaphram if so equipped. IAC Idle Air Control valve bad or severe vacuum leak
...Villager won't idle for very long will restart immediately Idle air control valve needs passages cleaned or IAC needs replacing. go here for expert help
...opened the heater control valve and get hot air only in front not in back but only with engine reved up. No heat at idle. faulty water pump & or semi plugged up heater core can cause this ...
idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get
...air come back I think in those vehicles the temperature controls use engine vacuum to work. If so the small rubber hose which comes off the inlet manifold and goes to heater controls more than likely ...
Idle Air Control Motor (IAC) Low compression (170 psi + is OK) Start cleaning and repair these trouble spots and see is there any improvement. ==== For more advance DIY'er then you may try this. Use a
my car shut off alot and has low idle Make sure the air filter is clean, when it has low idle tap on the IAC idle air control valve and see if the idle goes normal.
...air to travel through some specific ports. This screw is not the idle adjustment screw that many are used to on carborators. If this is not set properly then the air does not flow correctly through ...
...idle control valve but it still has same symptoms. The car is driveable IAC Valve has nothing to do with this problem. You have timing issues. I would check the knock sensor, spark plugs, fuel ...
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