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Where do i find idle air control sensor in cruze 2009 1.6L

Idle air control sensor

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Posted on Jan 02, 2017

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alicantecoli
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SOURCE: wont idle. change mass air flow sensor and idle

check the engine breather pipes for splitting and perishing

Posted on Jun 04, 2010

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cansmo
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SOURCE: i cleaned out my choke with correct spray and now just replaced my idle air control sensor but the car is still

You are equipt with a idle speed control motor.There is no way cleaning is going to clear it,When the RPM jumps it is either working and trying to compensate for a vacuum leak.Have the vehicle running as it jumps up and down feel the EGR is it hot to touch? Becuase that can cause the jumping RPM,Check the PCV valve with the car running plug it does the RPM stabalize? If it does replace PCV. You are searching for a vacuum leak

Posted on Mar 10, 2012

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3 Answers

What Is A IAC Sensor?


Idle Air Control valve. But that is not a sensor! Also there is such a thing as an IAT sensor, but that means Intake Air Temperature sensor ... which is usually a thermistor, or temperature-dependent resistor.

Apr 19, 2017 | Cars & Trucks

1 Answer

I have a 2011 cruze Eco. It is idling rough and has a hard time obtaining the right speed when in a certain gear. I have codes such as 171, 1101, 106, 324 and 496.


Replace the MAF sensor first. All the codes could relate to this. I would check power and ground at the MAF sensor plug first. But I have seen these and codes like these all going to the MAF sensor, since 2000. Numbers different, but still the same symptoms...Lean, MAF, MAP,Knock.. Evap is new, wouldn't doubt this one though.

Oct 17, 2016 | 2011 Chevrolet Cruze 1.6

2 Answers

What is an IAC Valve


Google is your friend in such questions.

  • Idle air control actuator - Wikipedia, the free encyclopedia https://en.wikipedia.org/wiki/Idle_air_control_actuator An idle air control actuator or idle air control valve (IAC actuator/valve) ... Idle air control actuator; MAP sensor; Mass flow sensor; Oxygen sensor; Starter motor;
  • how to tell if your iac valve is going bad - YouTube www.youtube.com/watch?v=oNO8GCN8jQA
    • BY TIMMY102345
    • 6 MIN
    • 939K VIEWS
    2009-09-07 · Video embedded · how to tell if your iac valve is going bad timmy102345. ... #372 Better repair method Toyota Camry Idle Air Control Valve - ...
  • 4 Ways to Check an Idle Air Control Valve - wikiHow www.wikihow.com/Check-an-Idle-Air-Control-Valve
    • 525K VIEWS
    2015-12-11 · How to Check an Idle Air Control Valve. ... Again, an idle air control valve can have an issue or fault without triggering a check engine light. 2.


  • There are also videos in this link. How to check and fix.

  • What is an IAC Valve Bing video

    May 12, 2016 | 1992 Toyota Paseo

    1 Answer

    I hooked my 95 Mazda mil up and says I need O2 sensor for bank 1 and 2 and also says I need engine speed circuit not sure wat to replace and wats really messd up please help


    First is all always write down the codes you have present, it helps in closing down on the problem. I am assuming you have a 95 Mazda Milleinia

    1. Start and run the engine and monitor the oxygen sensor signals and see if this sensor has bad readings still. Check for an open or shorted wire between the sensor and the Engine Control Module (ECM) if the signal is dropping out.

    2. Listen for an exhaust leak in the area of the oxygen sensor, the leak could allow oxygen in to the exhaust and skew the sensor readings.

    3. Inspect the ECM and ECM connector for signs of something that has been spilled on the ECM. Is the engine idling too high or too low then check this:-
    1. Unplug the idle air control valve and turn the air bypass screw in to see if it will idle down. If it will idle down, adjust the idle speed to around 500 RPM's and then plug the idle air control valve back in.

    2. If it still idles high, remove the air boot from the throttle body, block the air bypass ports with duct tape, hook the air boot back on and start it. This should make it not idle at all or just barley idle. If it does, the problem is in the idle air control valve.

    3. If blocking the air ports doesn't cause it to idle down, the throttle plate must be sticking open. Clean the throttle plate really good and back the throttle stop screw off and then see if it idles down.

    4. Verify the coolant level is not low and that coolant is circulating through the idle air control valve. Tech Tips: This idle air control valve is two valves in one. It is a fast idle thermo valve on one side and a duty cycle idle air control valve on the other.

    Mar 30, 2015 | 1995 Mazda Millenia

    1 Answer

    2011 Chevy Cruze LT 1.4L 4 cy Gas All of sudden engine light came on,idled rough and a couple of times fan stayed on after car turned off. Went to autozone had codes pulled they said replace MAF sensor....


    Scanning/Retrieving codes gives an Automotive Technician basic info......Usually with multiple possible scenarios for the cause of said code(s).Throwing parts at an improperly diagnoised vehicle is what you are now facing....Time for a pro.

    Dec 11, 2014 | 2011 Chevrolet Cruze

    1 Answer

    Holden/Chev Cruze 2003 clonking out


    run fault codes to check that you got the right sensor replaced

    Nov 06, 2013 | Cars & Trucks

    2 Answers

    P0171 & p1101 codes


    p0171 is a lean condition on the oxygen sensor from the side of the engine that is the same side as cylinder 1. The other p1101 is an air flow issue that is most likely a vacuum leak that is causing the 171 error. Check all the vacuum lines on the engine and see if any are loose and also see if there is any damage to the PCV valve from the battery leaking.

    Jul 01, 2013 | 2011 Chevrolet Cruze

    1 Answer

    2012 CRUZE DTC P2100


    I had the same issue with my 2014 Cruze TDI. It was solid, every time I started the car the error would appear. So I disassembled the air intake and everything was clean except for the sensor between the MAF sensor and the throttle body. I have no idea why it was dirty when everything else was very clean. But I cleaned it a week ago and the light has not come on again. I hope this helps.

    May 18, 2013 | 2012 Chevrolet Cruze LS Sedan 1.8L 4-cyl....

    2 Answers

    Stalls while in drive with foot on brake , changed MAP Sensor, Crank Shaft Sensor , Distributor, Fuel Pump, Fuel Filter , have ran out of ideas


    I would check the IAC motor or idle air control motor, heres a little info.about the part.Stratus Sedan, 1999-2005 Idle Air Control Motor

    Print


    Description & Operation

    Not for Dodge Stratus Sedan
    The idle air control motor (IAC) attaches to the throttle body. It is an electric stepper motor. The PCM adjusts engine idle speed through the idle air control motor to compensate for engine load, coolant temperature or barometric pressure changes. The throttle body has an air bypass passage that provides air for the engine during closed throttle idle. The idle air control motor pintle protrudes into the air bypass passage and regulates airflow through it.
    The PCM adjusts engine idle speed by moving the IAC motor pintle in and out of the bypass passage. The adjustments are based on inputs the PCM receives. The inputs are from the throttle position sensor, crankshaft position sensor, coolant temperature sensor, MAP sensor, vehicle speed sensor and various switch operations (brake, park/neutral, air conditioning).

    0996b43f8020234f.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig.

    Not for Dodge Stratus Sedan
    When engine rpm is above idle speed, the IAC is used for the following functions:


    Off-idle dashpot Deceleration air flow control A/C compressor load control (also opens the passage slightly before the compressor is engaged so that the engine rpm does not dip down when the compressor engages)
    The idle air control motor (IAC) attaches to the throttle body. It is an electric stepper motor. The PCM adjusts engine idle speed through the idle air control motor to compensate for engine load, coolant temperature or barometric pressure changes. The throttle body has an air bypass passage that provides air for the engine during closed throttle idle. The idle air control motor pintle protrudes into the air bypass passage and regulates airflow through it.
    The PCM adjusts engine idle speed by moving the IAC motor pintle in and out of the bypass passage. The adjustments are based on inputs the PCM receives. The inputs are from the throttle position sensor, crankshaft position sensor, coolant temperature sensor, MAP sensor, vehicle speed sensor and various switch operations (brake, park/neutral, air conditioning).

    21180_cdia_g257.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig.

    When engine rpm is above idle speed, the IAC is used for the following functions:


    Off-idle dashpot Deceleration air flow control A/C compressor load control (also opens the passage slightly before the compressor is engaged so that the engine rpm does not dip down when the compressor engages)
    Target Idle
    Target idle is determined by the following inputs:


    Gear position ECT Sensor Battery voltage Ambient/Battery Temperature Sensor VSS TPS MAP Sensor
    Target idle is determined by the following inputs:


    Gear position ECT Sensor Battery voltage Ambient/Battery Temperature Sensor VSS TPS MAP Sensor


    Removal & Installation

    1. Disconnect the negative battery cable.
    2. Disconnect the IAC electrical connector.
    3. Remove the IAC mounting screws.
    4. Remove the IAC.

    To Install:
    1. Install the IAC to the throttle body.
    2. Tighten mounting screws to 5.1 Nm (45 inch lbs.) torque.
    3. Attach electrical connector to the IAC.
    4. Connect the negative battery cable.

      0996b43f80202350.jpg enlarge_icon.gifenlarge_tooltip.gif

      Fig.


    1. Disconnect the negative battery cable.
    2. Disconnect the IAC electrical connector.
    3. Remove the IAC mounting screws.
    4. Remove the IAC.

    To Install:
    1. Install the IAC to the throttle body.
    2. Tighten mounting screws to 5.1 Nm (45 inch lbs.) torque.
    3. Attach electrical connector to the IAC.
    4. Connect the negative battery cable.

    May 11, 2012 | 2000 Chrysler Cirrus

    2 Answers

    Nissan Quest 2001 turns off when idle


    Idle air control at base of throttle body. Passages could be plugged or idle hard stop needs adjusting.

    Air Intake System Sensors Air intake system sensors include a heated resistor-type mass air flow (MAF) sensor and throttle position (TP) sensor; both supply data to the powertrain control module (PCM). The PCM also monitors engine speed.
    Air Intake System Control Devices The idle air control (IAC) solenoid regulates idle speed by adjusting the amount of air allowed into the intake manifold. Adjustment is made by varying the duty cycle output by the powertrain control module (PCM). The PCM will increase the duty cycle for added mechanical or electrical loads. The IAC solenoid is combined with the fast idle control (FIC) solenoid which is turned on when the air conditioner is engaged to help compensate for the additional load. The IAC valve must be replaced as an assembly with the FIC solenoid.
    Fast Idle Control (FIC) Solenoid The fast idle control (FIC) solenoid (Figure 1) compensates for idle speed change caused by the operation of the air conditioner compressor. The FIC solenoid is controlled by the FIC relay. The FIC relay is energized when the air conditioner clutch is energized and the relay allows the FIC solenoid to turn on and let an additional volume of air into the intake manifold.
    Figure 1: Fast Idle Control (FIC) Solenoid
    53edf6d.gif
    47fb9be.gif ------------------------------------------------------
    Throttle Body (TB) The throttle body (TB) controls the amount of air that flows into the engine through a single butterfly valve. The single butterfly valve opening is determined by the accelerator pedal. The TB is cast with an air bypass channel and houses several emission-related components for the powertrain control module (PCM).
    --------------------------------------------------------
    Throttle Position Sensor (TP Sensor) The throttle position (TP) sensor responds to the accelerator pedal movement. The TP sensor is a potentiometer that transforms the throttle plate opening angle into output voltage and sends the voltage signal to the powertrain control module (PCM). In addition, the sensor detects the opening and closing speed of the throttle plate and sends the voltage signal to the PCM. Also, the TP sensor is used to determine the air intake when the mass air flow (MAF) sensor fails. This mode of operation is called Fail Safe.
    The TP sensor integrates the idle (IDL) switch within the housing. The IDL switch detects when the throttle plate is closed and an idle condition occurs. The PCM is supplied with this input signal.

    IDLE SPEED

    6bee6c3.gif

    Apr 03, 2009 | 2001 Nissan Quest

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