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How do you change batteries on the body slender stepper

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The stepper motor responsible for idle air control seems to be be faulty.
Depending on make/model you may need to change either the stepper motor or the throttle body.
Cleaning the idle air valve controlled by the stepper motor can sometimes solve the problem but usually not.

Nov 27, 2015 | Cars & Trucks

1 Answer

How do I find the stepper motor on a 2003 Buick Rendezvous?

On the Throttle Body

Doubt it failed

Best make sure you have no cylinder misfires
& are not loosing throttle plate data or tps data

DO NOT replace parts
Have a professional road test with scan tool, to look at data

You need to do every thing to learn the vehicles systems
& find a problem & avoid replacing the throttle body, due to
lack of knowledge

Get some CRC Throttle Body Cleaner & read the
back of can

Aug 12, 2014 | 2003 Buick Rendezvous

2 Answers

How do I find where the stepper motor is located on a 2004 trailblazer

Here's a step by step.

Jul 05, 2014 | 2004 Chevrolet TrailBlazer

1 Answer

How to open battery door for salter MODEL 926 bathroom scale

The assembly doesn't come out, there is a tang for each battery and with a small knife you can get the battery over the tang and then with tweezers (or slender fingers) pull the batteries out one at a time, at least that is what worked for me. I tried to pull out the tray with needle nose pliers and forget each battery one at a time

Jun 21, 2012 | Health & Beauty

1 Answer

Can the Electronic Trottle Body be cleaned without replacement.

Most certainly, should be part of regular maintence since Envoys don't have a pcv valve, so the throttle body tends to gum up quickly. Should keep it nice and shiny, using throttle body cleaner. Very simple job. One thing to remember, disconnect the battery while cleaning it. There is a tiny stepper motor that will fry if there is power on and you're moving the butterfly. Also, be careful, the butterfly is very very sharp.

Nov 30, 2010 | 2003 GMC Envoy Xl

2 Answers

How to change out a starter

Dis connect the battery, Locate it on the transmission, then dis connect the cables going to it, then loosen and take out the bolts holding it up. Piece of cake

Nov 23, 2010 | 1998 Chevrolet S-10 Pickup

1 Answer

How to change batteries in braun thermoscan 6013

push down the small button directly above the battery door with a pen or something slender, while pushing the battery door downward, away from the thermometer. the 6012 model uses two CR2032 button cells.

Oct 18, 2010 | Health & Beauty

1 Answer

My service engine light is on. and I took it too autozone to be checked and got the results: Large vacuum leak on engine, 2. throttle body condition-dirty and faulty IAC valve/throttle. what does this...

These are all things that can affect your gas mileage and engine performance.

To check for vacuum leak, look for unhooked hoses on top of engine. If OK, use starter fluid and spray along intake manifold gaskets with engine running. If engine speeds up, there is a leaking gasket.

IAC deals with idle. Does the car idle smoothly? If not, remove IAC to see if it's dirty. I will paste instructions below for the IAC valve.

Throttle body dirty--what code is this? never heard of such a code, but you can clean the throttle body wioth carb cleaner. I will paste instructions below.

IAC valve info:

Operation The amount of air taken in during idling is regulated by the opening and closing of the servo valve located in the air passage that bypasses the throttle valve. The servo valve is opened or closed by the activation of the stepper motor (incorporated within the idle air control motor in the forward or reverse direction. Battery positive voltage is supplied, by way of the MFI relay, to the coil of the stepper motor. The engine control module switches ON the power transistors (located within the engine control module) in sequential order, and, when current flows to the stepper motor coil, the stepper motor is activated in the forward or reverse direction.

Removal & Installation

  1. Disconnect the negative battery cable.
  2. Detach the electrical connector at the sensor.
  3. Remove the sensor from the throttle body.
To install:
  1. Install the sensor in the opening in the throttle body and tighten the sensor.
  2. Attach the electrical connector to the sensor.
  3. Connect the negative battery cable.

Checking Coil Resistance

  1. Disconnect the idle air control motor connector and connect the jumper (test harness).
  2. Measure the resistance between terminal (2) of the connector at the idle air control motor side and terminal (1) or terminal (3). Standard value: 28-33 ohms at 68°F
  3. Measure the resistance between terminal (5) of the connector at the idle air control motor side and terminal (6) or terminal (4). Standard value: 28-33 ohms at 68°F
  4. If not within specifications, replace the IAC Valve.
  5. If within specifications, check connectors and wiring between the sensor and ECM/PCM.
Checking Operation Sound
  1. Check that the operating sound of the stepper motor can be heard over the idle air control motor when the ignition switch is turned to the ON position (without starting the engine).
  2. If no operating sound can be heard, check the stepper motor drive circuit. (If the circuit is good, a defective stepper motor or engine control module is suspected.)

    IAC picture--mounted on top side of engine.
      Throttle body--loosten clamp to right of throttle body and pull hose off. Use electric parts cleaner or carb cleaner--spray on dirt with engine running. don't touch any sensors inside throttle body--sensors are delicate.

    Oct 11, 2010 | 2005 Mitsubishi Endeavor

    1 Answer

    How to replace idler air control motor? Is there a blowup or explosion picture available to me?

    Very simple. look at the throttle body look for a long slender cylinder about 3" long and to 10mm bolts holding it to the throttle body unplug and unbolt. Its use-ly call an idler air bypass valve.

    Feb 09, 2010 | 2005 Ford Taurus

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