Question about 2001 Toyota Echo

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Engine runs not smoth when steping on accelerator

Check engine light on ,engine runs fine on idle ,but when step on accelerator engine start choking

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OK. Most automotive shops will test CHECK ENG LITE for abolutely free. Once you have the code, this may be the cause of your woes. Start there and you will not be guessing.

Posted on Sep 10, 2009

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Posted on Jan 02, 2017

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In gear idle tries to go up to around 4000rpm without stepping on the gas, won't idle down till I step on brakes, way slow acceleration, Traction control off light is on, check engine light on


Something could be wrong withthe idle circuit or air cleaner not installed properly. Need to check engine code first,also heck for vacum leak listen for air escapeing.

Dec 04, 2015 | 2006 Chevrolet Malibu LT

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

1 Answer

88 delta royale- Idles fine but once engine is hot and acclelerator is steped on the enginge stutters and back fires but will return to idle and idle smoothly


What year is the car ?
Have you checked the computer for trouble codes ?
Have you checked the EGR valve ? Is the exhaust flow good ?

Jan 18, 2013 | Cars & Trucks

1 Answer

2002 Subaru Forester misses/runs poorly with slow acceleration when hot with a/c on especially after running 50-60mph on interstate. Problem is intermittant. Runs fine with excellent acceleration...


I have the same problem. But my check engine light comes on when this occurs. The car runs fine otherwise. The problem manifests when it's hot out and I've been driving for a while with the A/C on. When I stop somewhere (like the supermarket), shop, and get back in my car. It starts fine but when I put it in gear to go, it's extremely sluggish for a few seconds and the check engine light comes on. Then is runs fine but the check engine light remains on. The next day when I start it, the check engine light is not on. Also, I recently had the head gasket replaced. I took it back into the shop the first time the check engine light came on. The mechanic checked it and said everything checks fine. He re-set the light saying to keep an eye on it and bring it back in if the check engine light comes back on. It ran fine for 1.5 weeks and now this problem has started to occur.

Did you find anything out dwbradway? I wish I had a solution for you but I just have the same kind of problem. Any help would be appreciated!

Jun 18, 2011 | 2002 Subaru Forester

1 Answer

The check engine light comes on and it will not accelerate. it will idle but when you give it gas it falters. if i shut the engine off and restart it it runs fine.


Sounds like TPS (throttle position sensor) it's not putting out a signal, when you step on the gas, it opens the throttle body, but the TPS isn't sensing this

Apr 04, 2011 | Dodge Neon Cars & Trucks

2 Answers

IDLING PROBLEMS ON 1992 ACCORD EX


Have the Idle Control Solenoid Valve cleaned up.

Or it might be defective. See steps below to check...
  1. Disconnect idle control solenoid valve electrical connector.
  2. Disconnect upper hose to solenoid valve from manifold and apply vacuum to hose. Valve should hold vacuum.
  3. Continue applying vacuum to hose and briefly energize valve by connecting battery positive terminal to the black/yellow wire terminal and negative battery terminal to the green/black wire terminal. Valve should not hold vacuum when energized.
  4. If idle control solenoid valve fails to perform as outlined, valve is defective.

Jun 03, 2009 | 1991 Honda Accord

1 Answer

Engine runs rough after about ten minutes /idles really low


Just trowing some suggestions out there, but, I would check the idle air control valve (solenoid) or the throttle position sensor. If they check out then my last guess would be the map sensor or the vaccuum to the map sensor. Hope I was able to help. Best wishes.

Jan 16, 2009 | 1991 Plymouth Laser

1 Answer

Speedometer, check engine, hazara and tcs lights stay on,


Hi,
It ken be many problems,bad contact ,clamping force,tcs/abs unit.
The best you ken do is conect the TECH2 to check def.codes!

Dec 20, 2008 | 2001 Saab 9-3

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