What does idle control system mean?
What does idle control system mean?
Definition. The purpose of the Idle Control System is to control the idle speed of the engine. This is usually controlled by the IAC motor which mounted on or behind the Throttle Body of the Intake Manifold. An Idle Air Stepper Valve or motor is used in some cases.
How does a Ford IAC work?
An idle air control valve literally bypasses air around a closed throttle plate so the engine can get air at idle. Because it bypasses air, it’s also called an air bypass valve. Back in the days of carburetors, idle speed was adjusted by way of an idle speed screw.
What does the p0505 Ford engine code mean?
P0505 FORD Meaning. This system automatically controls engine idle speed to a specified level. Idle speed is controlled through fine adjustment of the amount of air which by-passes the throttle valve via Idle Air Control Valve IACV) and Auxiliary Air Control AAC) Valve.
What causes an IAC fault code of p0505?
Potential causes of an P0505 code include: IAC motor connector is damaged (check connector and pins for damage, and moisture) One or more IAC circuits open or shorted to ground This should be a fairly straightforward diagnosis. Start by clearing the fault codes. Then unplug the IAC and start the engine (This may cause other IAC codes to set.
What causes the idle control system malfunction code?
All our repairs are backed by our 12-month / 12,000-mile warranty. P0505 is an OBD-II generic code that the engine control module (ECM) determined the engine idle control system is not managing the idle to stay in specification. The idle is too high or goes too low. What causes the P0505 code?
How much does it cost to repair Ford p0505?
The cost to diagnose the P0505 FORD code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
P0505 FORD Meaning. This system automatically controls engine idle speed to a specified level. Idle speed is controlled through fine adjustment of the amount of air which by-passes the throttle valve via Idle Air Control Valve IACV) and Auxiliary Air Control AAC) Valve.
Potential causes of an P0505 code include: IAC motor connector is damaged (check connector and pins for damage, and moisture) One or more IAC circuits open or shorted to ground This should be a fairly straightforward diagnosis. Start by clearing the fault codes. Then unplug the IAC and start the engine (This may cause other IAC codes to set.
The cost to diagnose the P0505 FORD code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
What should I do if my IAC code is not reset?
Start by clearing the fault codes. Then unplug the IAC and start the engine (This may cause other IAC codes to set. Just ignore them for now). If the P0505 code doesn’t reset, replace the IAC. It is internally shorting one of the IAC circuits.
