Question about 2000 Dodge Grand Caravan

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Grinding noise when accelerating

If acceleration pedal is depressed between 1-2 inches, grinding occurs. If out of this range, acceleration is fine. Occurs when driving straight, turning, starting from rest, driving with initial speeds(10,40,60 etc.). Any help would be appreciated. Thanks

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Good info, can you reproduce safely with the wheels off the ground? then try to operate the throttle by hand under the hood. use a stethescope. reminds me of a torque convertor or flexplate. but after reproducing it and isolating it you will have more info to go from. they've been known for sloppy mounts and drive gear troubles so you need to perform testing based on what you are actually getting on yours. careful, jackstands, wheel chocks, and a helper are all necessary

Posted on Apr 17, 2014

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Posted on Jan 02, 2017

  • 323 Answers

SOURCE: I accelerate my 2000 neon, and it vibrates and get grinding noise

Check the front drive axles and boots. A bad cv (constant velocity) joint can cause this.

Posted on May 09, 2009

  • 4793 Answers

SOURCE: 2002 Dodge Ram~ 114,000 Miles. Constant

the clue you gave was that there is no noise when turning the steering wheel.........do i need say more.......

Posted on Oct 25, 2010

  • 3 Answers

SOURCE: I have a hard clicking sound coming from the front

could have been lose lugs
or ABS sencer
or something cought in tire area back of rim or even the wheel well splash gard lose
stock tires will not have this issue but over sized ones might
just some areas to check on

Posted on Nov 28, 2010

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Key programing toyota 2002


No need to panic rush through this procedure, just do it right. Haste makes waste.

1. Simultaneously depress and release brake and accelerator pedals 1 time.

2. Insert an original Master Key into the ignition but do not turn it.

3. Within 15 seconds depress and release accelerator pedal 5 times.

4. Within 20 seconds depress and release the brake pedal 6 times and remove key.

5. Within 10 seconds insert New Key into ignition but do not turn it.

6. Within 10 seconds depress and release the accelerator pedal 1 time.

7. Now sit and wait for about one minute until the security light in the center counsel stops blinking and turns off.

8. Remove new key and depress and release brake pedal 1 time.

9. Test your key now. It should work if you followed the instructions. If not, you may want to try the following instructions:

This procedure is for 2002 Camry and most other models in this year of Toyota. In the future always give the model as well as year and make. Thanks

Nov 06, 2016 | Toyota Cars & Trucks

Tip

How to reset ECU,Throttle and Accelerator Position Learning


Hi.

Below the procedure to reset ECU,Throttle and to perform Accelerator Position Learning on Nissan. It works on Titan, Altima, Infinity, pathfinder and other models.

ECU Resetting


While performing the procedures below, ensue that you are respecting the times stated. If the steps are not done within the specified times, the module will not reset. You will need to use a watch or a chronograph while performing the procedures.

Procedure:

1. Ensure that the accelerator pedal is fully released, set ignition switch to the “ON” position, then wait 3 seconds.
2. Follow the steps a and b below, repeat the two steps in sequence quickly for five times within 5 seconds.
a. Push hard the accelerator pedal untill fully depressed.
b. Release the accelerator pedal in full.
3. Wait 7 seconds, then depress the accelerator pedal completely, and hold it for about 10 seconds until the CEL (check engine light) starts blinking.
4. Release the accelerator pedal while the CEL is still blinking.
5. Wait 10 second.
6. Depressthe accelerator pedal in full and hold it for 10 seconds or more.
7. Fully release the accelerator pedal while the CEL light keeps flashing.
8. Turn the ignition switch to “OFF” position and start the vehicle. If procedure has been done correctly, then the light light will turn off.
If the light continues to stay on, repeat the procedure.

Accelerator Pedal Release Position Learning

Procedure

1. Ensure that the accelerator pedal is completely released before starting the procedure.
2. Turn the ignition switch “ON” and wait at least 2 seconds.
3. Turn the ignition switch “OFF”, and wait at least 10 seconds.
4. Turn the ignition switch “ON” and wait 2 seconds.
5. Turn the ignition switch “OFF” and wait 10 seconds.

Throttle Valve Closed Position Learning

Procedure

1. Ensure that accelerator pedal is completely released.
2. Turn ignition switch to the “ON” position.
3. Turn ignition switch to the “OFF” position and wait at least 10 seconds.
Ensure that the throttle valve moves after turning the switch off.

Idle Air Volume Learning (Throttle Position Learning)

Procedure

1. Follow the Accelerator Pedal Released Position Learning described above.
2. Do the Throttle Valve Closed Position Learning also described above.
3. Start the engine, and allow warming up.
4. Turn the ignition on “OFF” positionand wait 10 seconds.
5. Ensure that accelerator pedal is fully released, then turn the ignition switch to “ON” position, and wait 3 seconds.
6. Repeat the steps a and b below five times within 5 seconds in sequence.
a. Push hard the accelerator pedal untill fully depressed.
b. Release the accelerator pedal until reaching full extension.
8. Wait 7 seconds or more, depress the accelerator pedal completely and hold the pedal down for about 20 seconds until you see that the Check Engine Light stops blinking and starts getting steady..
9. Rrelease completely the accelerator pedal within 3 seconds after the light coming ON.
10. Start engine and let it run at idle for about 20 seconds.
12. Test the engine to ensure the idle speed and ignition timing are set correctly.

Regards.

on Mar 25, 2010 | Nissan Titan Cars & Trucks

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Grinding noise at high rpm


Have you had fuel pressure tested, as well as exhaust for possible plugged catalytic converter?

May 20, 2014 | 2004 Kia Sedona

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Chevy Aveo grinding noise from accelerator when A/C is on


It will be the ac compressor clutch that slipping when after it has been activated/engaged. This happens when the engine is winding up the compressor clutch is not engaging strong enough and start slipping. However as the engine rpm stabilize on the ac compressor has caught up (same rpm) no slipping occur and no noise. Was the clutch mechanism replaced with the compressor replacement? (however it need to be checked/repaired).

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2005 Mazda 6 4cyl AT Idles high after driving a while.


I would check the pedal position sensor. Do it when it's hot.
Mazda Car 2005-06
  • Accelerator Pedal Position Sensor

    Description & Operation

    A power supply is applied on the Accelerator Pedal Position (APP) Sensor (main) power terminal from the PCM. The ground terminal is grounded with PCM. When the accelerator pedal is moved from the idle position to the fully opened position, the resistance between the accelerator pedal position sensor (main) output terminal and ground terminal will increase according to the depression.
    A power supply is applied on the Accelerator Pedal Position (APP) Sensor (main) power terminal from the PCM. The ground terminal is grounded with PCM. When the accelerator pedal is moved from the idle position to the fully opened position, the resistance between the accelerator pedal position sensor (main) output terminal and ground terminal will increase according to the depression.

Testing

  1. Connect a suitable scan tool to the diagnostic connector. Select APP1 or APP2 percentage.
  2. Turn the ignition switch to the ON position.
  3. Measure the voltage at the PCM terminal and ground with connectors connected:

    APP1-8% load or 0.4 volts with the accelerator pedal releasedAPP1-60% load or 3.0 volts with the accelerator pedal depressedAPP2 -8% load or 0.4 volts with the accelerator pedal releasedAPP2 -60% load or 3.0 volts with the accelerator pedal depressed
  4. If any check above does not meet the specifications, check connectors and wiring between the sensor and PCM. If ok, replace PCM.
  5. If the measured values are outside the standard value range, or if the load % and/or voltage does not change smoothly, replace the sensor.
  1. Connect a suitable scan tool to the diagnostic connector. Select APP1 or APP2 percentage.
  2. Turn the ignition switch to the ON position.
  3. Measure the voltage at the PCM terminal and ground with connectors connected:

    APP1 %-31.0-32.4% with the accelerator pedal releasedAPP1 %-69.8-81.8% with the accelerator pedal depressedAPP2 %-20.2-21.4% with the accelerator pedal releasedAPP2 %-58.8-70.8% with the accelerator pedal depressed
  4. If any check above does not meet the specifications, check connectors and wiring between the sensor and PCM. If ok, replace PCM.
  5. If the measured values are outside the standard value range, or if the load % does not change smoothly, replace the senso

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Jul 23, 2017 | 2005 Mazda 6

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2004 BMW Z4 accelerator pedal squeeks when lightly depressed


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Grinding and very hard to shift, and now the shifter is stuck


how does the clutch pedal feel?..clutch out of adjustment,needs clutch job...kev-mn.

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1 Answer

Stops while driving


this is usually due to a dirty throttle body. just beware if you do try to clean it you will need to preform the idle relearn procedure. this does work, ive done it personally.

A. Accelerator Pedal Release Position Learning Procedure.
1. Make sure that the accelerator pedal is fully released.
2. Turn ignition switch “ON” and wait at least 2 seconds.
3. Turn ignition switch “OFF” wait at least 10 seconds.
4. Turn ignition switch “ON” and wait at least 2 seconds.
5. Turn ignition switch “OFF” wait at least 10 seconds (how would you know if you get it right?)


B. Throttle Valve Closed Position Learning
1. Make sure that accelerator pedal is fully released.
2. Turn ignition switch is “ON”.
3. Turn ignition switch is “OFF” wait at least 10 seconds.
Make sure that the throttle valve moves during above 10 seconds by confirming the operating sound (i never get this right because i never heard anything)

C. Idle Air Volume Learning (Throttle Position Learning)
It's best to time with a watch/clock.

1. Perform “Accelerator Pedal Released Position Learning”.
2. Perform “Throttle Valve Closed Position Learning”.
3. Start engine and warm it up to normal operating temperature.
4. Turn ignition switch “OFF” and wait at least 10 seconds.
5. Conform that accelerator pedal is fully released, turn ignition switch “ON” and wait 3 seconds.
6. Repeat the following (steps 7a, 7b) procedures quickly five times within 5 seconds.
7a. Fully depress the accelerator pedal (HARD)
7b. Fully release the accelerator pedal.
8. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 20 seconds until the Check Engine Light (CEL) stops
blinking and turned ON.
9. Fully release the accelerator pedal within 3 seconds after the CEL is ON.
10. Start engine and let it idle.
11 Wait 20 seconds
12Rev up the engine two or three times and make sure the idle speed and ignition timing are within the specifications. (this is fine because SES light lets you know if you did it right the way it blinks)

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