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My Nissan 1400 Loose power when I start accelerating and picks up to full speed after a few seconds once I fully accelerate. My petrol filter sometimes fills up and there is a funny sound when it starts loosing power. This power loss occurs even when the car is standing still. I have cleaned my carburetor but the problem still persists. What could be the cause to that?

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You maybee need too clean up youyr tank

Posted on Nov 11, 2010

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Posted on Jan 02, 2017

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Car jerking at low speeds and idle


Not fuel filter. Is your engine light on? Could be accelerator pedal position sensor. Does it do it only when you are accelerating?

Aug 10, 2017 | 2005 Nissan Altima

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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

1 Answer

How to read the engine codes without a Nissan CONSULT or scan tool. (Set ECM in Diagnostic Test Mode II) Confirm that accelerator pedal is fully released, turn ignition switch ON and wait 3 seconds....


there is a screw on side of the ECM. turn screw counter clockwise all the way and monitor dash board/check engine light on and count the number of flashes on dash board. when you are done turn the screw back into original spot.

Sep 04, 2011 | Nissan Maxima Cars & Trucks

3 Answers

Nissan Maxima 2004 won't accelerate. It runs well up to 2000rpm then will not go any faster. The engine fault light is on. The error seems to be related to the airflow intake. A mechanic who was too busy...


1st, you should get the Engine Controls (EC) section of the service manual. You can download it HERE

Now you need get the diagnostic codes from your vehicle. The procedure is:

HOW TO SWITCH DIAGNOSTIC TEST MODE
NOTE:

- It is better to count the time accurately with a clock.
- It is impossible to switch the diagnostic mode when an accelerator pedal position sensor circuit
has a malfunction.
- Always ECM returns to Diagnostic Test Mode 1 after ignition switch is turned OFF.
How to Set Diagnostic Test Mode II (Self-diagnostic Results)
(key in the on position, engine off)
1. Confirm that accelerator pedal is fully released, turn ignition switch ON and wait 3 seconds.
2. Repeat the following procedure quickly five times within 5 seconds.
a. Fully depress the accelerator pedal.
b. Fully release the accelerator pedal.
3. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 10 seconds until the MIL starts blinking.
4. Fully release the accelerator pedal.
----------------
The check engine light will then flash the 4 digits of the code. (refer to (EC) page 68)

Or you can go to an autozone and ask them to scan your vehicle for codes. They will do it for free.

Once you have the diagnostic codes, you can find the code info and diagnostic procedures in the (EC) manual.

Feb 28, 2011 | 2004 Nissan Maxima

1 Answer

Looking for adaptor to scan trouble codes 1990 maxima v6


How to read the engine codes without a Nissan CONSULT or scan tool. (Set ECM in Diagnostic Test Mode II)
  1. Confirm that accelerator pedal is fully released, turn ignition switch ON and wait 3 seconds.
  2. Repeat the following procedure quickly five times within 5 seconds.
    1. Fully depress the accelerator pedal.
    2. Fully release the accelerator pedal.
  3. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 10 seconds until the MIL starts blinking.
  4. Fully release the accelerator pedal.
  5. ECM has entered to Diagnostic Test Mode II (Self-diagnostic results).

Aug 10, 2010 | 1990 Nissan Maxima

1 Answer

Mazda 323 fuel injection1994 accelerator problem


Try changing the fuel filter. If it clogs up the engine won't get the fuel it needs to run at wide throttle openings, the engine will ****** the timing, and you'll lose power. With less throttle the filter can flow well enough for the engine to run properly.

May 16, 2010 | 1994 Mazda 323

1 Answer

My car does not pick speed.


Try changing the spark plugs and spark plug wires and change the fuel filter if it hasn't been changed in a while.

Sep 11, 2009 | 1996 Nissan Maxima

1 Answer

Air fuel mixture control sensors


hav u had tuneup n chec fuel injec-thats basic--now u probly shud perform a code scan 1st just to confirm the 02s-ther both found at each muffler manifold-they look like spark plugs n may be difficult to remove

Sep 07, 2009 | Nissan Stanza Cars & Trucks

1 Answer

Mark 2 old model not accelerating fully


With the loss of power this could be a few things I would start off by changing your fuel filter and doing a full tune up ( spark plugs & wires,air filter). Hope this helps restore your power.

Jul 24, 2009 | 2000 Toyota MR2 Spyder

1 Answer

Nissan Installed throttle reprogram


Here is the way to do it without the nissan scan tool. Make sure to follow all steps and it it best if you use a watch with a second hand.
1. Perform "Accelerator Pedal Released Position Learning".
a. Make sure that accelerator pedal is fully released.
b. Turn ignition switch 'ON' and wait at least 2 seconds.
c. Turn ignition switch 'OFF' wait at least 10 seconds.
d. Turn ignition switch 'ON' and wait at least 2 seconds.
e. Turn ignition switch 'OFF' wait at least 10 seconds.
2. Perform "Throttle Valve Closed Position Learning" .
a. Make sure that accelerator pedal is fully released.
b. Turn ignition switch 'ON'.
c. Turn ignition switch 'OFF' wait at least 10 seconds.
Make sure that throttle valve moves during above 10 seconds by confirming the operating sound. 3. Start engine and warm it up to normal operating temperature.
4. Check that all items listed under the topic 'PREPARATION' (previously mentioned) are in good order.
5. Turn ignition switch 'OFF' and wait at least 10 seconds.
6. Confirm that accelerator pedal is fully released, turn ignition switch 'ON' and wait 3 seconds.
7. Repeat the following procedure quickly five times within 5 seconds.
a. Fully depress the accelerator pedal.
b. Fully release the accelerator pedal. 8. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 20 seconds until the MIL stops blinking and turned ON.
9. Fully release the accelerator pedal within 3 seconds after the MIL goes off.
10. Start engine and let it idle.
11. Wait 20 seconds.
12. Rev up the engine two or three times and make sure that idle speed and ignition timing are within the specifications.
13. If idle speed and ignition timing are not within the specification, the result will be incomplete. In this case, more test needs to be done.

Jun 24, 2009 | 2004 Nissan Sentra

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