Question about 2002 Dodge Stratus

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How do you replace the idle air control valve in a 2002 dodge straus R/T 3.0 V6??? where is the iac valve located on the engine, ease of replacement?

2002 dodge stratus R/T Coupe 3.0L V6 Car wont idle, stay running at a red light, or stop sign. if it doesnt need replaced, just cleaned, how would i go about cleaning it?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 512 Answers

SOURCE: 2004 Dodge Stratus SXT 2.4L Coupe

its in the intake air hose close to the throttle body

Posted on Oct 08, 2008

  • 118 Answers

SOURCE: NEED TORQUE SPECS AND SEQUENCE FOR 02 DODGE 2.4 V6 STRATUS

  1. Tighten bolts in sequence shown in (Fig. 23), using the following steps and torque values:
    • Step 1: Bolts 1 - 8 to 48 Nm (35 ft. lbs.)
    • Step 2: Bolts 1 - 8 to 75 Nm (55 ft. lbs.)
    • Step 3: Bolts 1 - 8 to 75 Nm (55 ft. lbs.)
    • Step 4: Bolts 1 - 8 to +90° . Turn Do not use a torque wrench for this step.
    • Step 5: Bolts 9 - 11 to 28 Nm (250 in. lbs.)
  • I tried to send a pic of the head bolt numbers but it wont let me so e mail me dbern002@att.net have a good day DB

Posted on Feb 01, 2009

ewashmidas
  • 362 Answers

SOURCE: Cant find transmission filter on 2003 Dodge stratus Coupe.

The filter is inside the transmission. You need to take the pan off the bottom then you can replace the filter and the pan gasket.

Posted on Mar 04, 2009

  • 9 Answers

SOURCE: 1997 dodge dakota v6 engine wont start replaced

turn the key to the on position a see if you can here a buzzing sound around the fuel tank,if you don't hear a sound then. (be very careful while doing this) with the key off take a fuel line coming from the tank loose,make sure its pointed away from you and turn the key to the on position,see if any gas comes out,if not then your fuel pump is probably bad.

Posted on Mar 05, 2009

landsend
  • 1066 Answers

SOURCE: changing valve cover gasket on 2001 dodge stratus, how

remove all the components in the way of the valve cover.  Then remove the valve cover and replace the gasket and reassemble.
usually about a 3 to 4 hour job.

Posted on Mar 23, 2009

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2 Answers

2002 ford explorer 4.0 xls, shuts off when coming to a stop and also when switchin from drive to reverse. the engine also smokes at the exhaust manifold I'm guessing


Sounds like a possible idle air control problem (IAC) The smoke probably has nothing to do with the idle problem. Possible valve cover leak??

Feb 23, 2015 | 2002 Ford Explorer

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98 dodge ram 1500 5.2 the truck will start but it will not idle.


Feb 21, 2012 | 1998 Dodge Ram 1500 4WD

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I am getting codes PO 128, PO 300 and PO 506 on my chevy Impala, 2002, LS 3.8


code P0128 ECT ( electronic coolant temperature ) engine temperature to low ( replace thermostat ).

code P0300 engine miss fire detected ( replace spark plugs and spark plug wires )

code P0506 IAC ( idle air control ) system idle to low ( clean the IAC valve if problem persists replace the IAC valve )

Apr 15, 2011 | 2002 Chevrolet Impala

1 Answer

When i turn on the ac the idle goes low and the the car vibrates. When i turn off the ac the car stop vibrating.



Operation

The Idle Air Control (IAC) valve controls the amount of air that bypasses the throttle valve, which controls the engine idle speed. The IAC valve consists of windings, an armature, a return spring, and a rotary slide. The engine control module (ECM) pulses the voltage to the winding, the opposing forces on the armature by the return spring cause it to maintain a fixed position, adjusting the amount of bypass air to maintain the correct idle speed.


Removal & Installation

  1. Turn the ignition switch to the OFF position.
  2. Disconnect the idle air control valve harness electrical connector.
  3. Using a suitable tool, remove idle air control valve.
  4. Installation is in reverse order of removal.


Testing

Checking Idle Air Control Valve (IAC) Triggering

  1. Check IAC valve is electrically OK.
  2. Slide up boot on the IAC valve connector.



0900c152801c00a1.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. IAC Connector

  1. Use scan tool 'Output Diagnostic Test Mode' function 03 to trigger the IAC valve - N71.
  2. Connect VAG 1527B voltage tester, or equivalent, between terminal 1 and engine ground (GND). Voltage tester must flash.
  3. Connect VAG 1527B voltage tester, or equivalent, between terminal 2 and battery positive voltage (B+). Voltage tester must light up.
  4. If specified results are not obtained:
    1. Connect VAG 1598/19 test box, or equivalent, to ECM harness connector.
    2. Check the wiring between harness and connector terminal 1 (in engine compartment) to test box socket D11 . Then check the wiring between harness connector terminal 2 and test box socket D9 using wiring diagram. Repair as necessary.
    3. If the wiring is okay, but triggering still does not occur, replace the ECM.
    4. If the triggering signal and the wiring are okay and the valve does not react, replace the IAC valve.


Checking Mechanical Function
  1. Remove the idle air control (IAC) valve.
  2. Visually check the surface of the rotary slide (arrow) for signs of wear.



0900c152801c00a2.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Showing the IAC Valve

WARNING Do NOT check for ease of movement by prying on the rotary slide with a screwdriver or other tools that could cause scratching or other damage.

  1. Reconnect the IAC valve, while still removed, to the harness connector.
  2. Use scan tool 'Output Diagnostic Test Mode' function 03 to trigger IAC valve - N71.
  3. Check whether rotary slide moves freely from stop to stop.
  4. If there are signs of scoring, or if the rotary slide does not move freely in both directions, replace the IAC valve.
  5. If the IAC valve does not respond (not triggered) during the Output Diagnostic Test Mode, check triggering.

Resistance Test
  1. Remove the idle air control valve harness connector.
  2. Use a suitable Digital Multimeter (DMM) to measure the resistance between the 2 terminals of the idle air control valve.
  3. The correct measurement should be 7-11 ohms. If not, replace the idle air control valve.


NOTE At room temperature, the resistance value will be lower. The resistance value will be higher if the Idle Air Control (IAC) valve is measured at under-hood operating temperatures.
  1. Reconnect the idle air control valve harness connector.
  2. The idle air control valve should hum and vibrate slightly when the ignition is turned 'ON'. If not, the ECM or harness may be defective.

Testing with VAG1551:
  1. Remove the idle air control valve harness connector.
  2. Connect the VAG 15278 LED tester to terminals 1 and 2 of the harness connector using the jumpers from VW 1594 adaptor kit.
  3. Turn ignition ON, perform steps from output DTM (Diagnostic Test Mode) to activate the IAC valve (N71) LED tester must blink.
  4. If tester does not blink, check wiring using VAG 1598 pin out box, electrical checks, step 26. Repair as necessary.
  5. If wiring is okay, replace the ECM.
  6. If LED tester blinks but the IAC valve does not operate, replace the IAC valve.

Feb 15, 2011 | 2000 Volkswagen Jetta TDI

1 Answer

After sitting, hard to start, seems not to be getting fuel. you can spray starting fluid and it starts, must run at higher than normal idle for a few minutes, then will idle normally.


OPERATION The Idle Air Control (IAC) valve controls the engine idle speed and dashpot functions. The valve is located on the throttle body on. This valve allows air to bypass the throttle plate. The amount of air is determined by the Powertrain Control Module (PCM) and controlled by a duty cycle signal. Fig. 1: Cleanable IAC valve — 5.0L engine version shown, others similar 88484g22.gif
Fig. 2: Non-cleanable IAC valve — 5.0L engine version shown, others similar 88484g23.gif
prev.gif next.gif TESTING OBD-I System
  1. Make sure the ignition key is OFF.
  2. Disconnect the air control valve.
  3. Use an ohmmeter to measure the resistance between the terminals of the valve solenoid. NOTE: Due to the diode in the solenoid, place the ohmmeter positive lead on the VPWR pin and the negative lead on the ISC pin.
  4. If the resistance is not 7–13 ohms, replace the air control valve.
---
REMOVAL & INSTALLATION Fig. 1: Idle air control valve mounting — 4.9L engine version shown, others similar 88484g10.gif
  1. Disconnect the negative battery cable.
  2. Disconnect the engine wiring to the IAC sensor.
  3. Remove the two retaining screws for the valve.
  4. Remove the IAC valve and discard of the old gasket. Fig. 2: Disengage the idle air control solenoid electrical connection 88485p12.jpg
    Fig. 3: Loosen the idle control solenoid retaining screws 88484p08.jpg
    Fig. 4: Remove the idle air control solenoid from the throttle body 88484p09.jpg
    To install:
  5. Clean the area of old gasket material.
  6. Using a new gasket, attach the IAC valve to the engine. Tighten the retaining screws to 71–102 inch lbs. (8–12 Nm).
  7. Connect the IAC valve wiring to the unit.
  8. Connect the negative battery cable.
prev.gif next.gif

Aug 01, 2010 | 1990 Ford Econoline

1 Answer

2002 dodge caravan idles very fast. when in park it idles even faster. where is idle adj. for 2oo2 dodge caravan ec.


look at your Idle Air Control Modual (IAC Valve) and most likeley have it replaced, or, check to see if anyone has tampered with your idle set screw on the butterfly valve on your intake air plenum. usually these have a tamper proof plug over them so probably not. i am unsure of the voltages for this modual on your vehicle so i would suggest taking to a mechanic. (note. be sure to check and make sure your IAC is running fine BEFORE tampering with your Idle set screw, this could cause your computer to re adjust to different situations then probably end up with bigger problems. if you feel like replacing your IAC by yourself go to http://www.napaonline.com/Default.aspx then search for Idle Air Control, youll see which part looks like yours, then go replace it. but, not knowing this vehicle i reccomend taking it to your local Technitian for there could be other unknown causes to this problem.

Hope this helps!
                       Joe.

Mar 09, 2010 | 2002 Dodge Caravan

1 Answer

2002 Santa Fe 2.7 V6 (California Car) 260,000 + miles. Engine idle will increase to about 1500 RPM and drop back to normal without notice, at times difficult to start (must hold throttle about half open)...


I faulty Idle Air Control valve (IAC) can cause these specific symptoms. You could try diconnecting the IAC valve (usually near the throttle body) and regulating the idle yourself. If the fluctuations go away and you are able to hold a constant idle position with the gas pedal (if vehicle will start), the IAC is the problem.

Nov 14, 2009 | 2002 Hyundai Santa Fe

2 Answers

What is the function of the idle speed control valve?


The idle air control (IAC) valve assembly on a combustible engine monitors and manipulates the amount of controlled air moving around the throttle plate. The IAC valve is managed by the electronic control module (ECM) of the engine, which calculates the position of the IAC valve. Voltage pulses called counts extend and retract an internal conical-tipped shaft called a pintle inside the IAC valve. When the pintle is extended, the cone-shaped tip positions itself closer to the air inlet and restricts the amount of air allowed to pass through the throttle, building up more air around the throttle plate to increase the rpms of the engine. When the pintle is retracted, it moves away from the inlet and allows more air into the throttle away from the throttle plate, decreasing the rpms. The IAC valve operates and adjusts constantly while the engine is running to help prevent the engine from stalling or surging. This will not cause the engine to misfire!! Hopefully this helps

Aug 21, 2009 | 2002 Lincoln LS

4 Answers

2002 Jeep Liberty 2WD 377l v6 won't idle when first started up.


it doesn't have to do with the battery. I just had this same problem. Clean the carbon out of the IAC and test to see if this solves the problem. Should it not, the next step is to replace the Throttle Position Sensor. This is a common problem with this model of jeep. The can of cleaner and the sensor only cost 45 bucks, and about an hour total to do.

Aug 05, 2009 | 2003 Jeep Liberty

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