My car is not accelerating when I depress the gas pedal

Connecting a pro grade scan tool computer will tell you the DTC Code and that tells you what the problem is and how to fix it. The 'Wrench Light', properly the 'Engine Malfunction Light' is there to tell you that you have a problem and the scan tool tells you what it is?

The Car comes to an stall when accelerating,pressing the gas pedal ...

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Feb 7, 2007 - Sometimes when I press the gas pedal seems like nothing happens car doesn't accelerate at all only it loses the power and finally comes to a Stop, and sometimes it recovers (shakily) and keeps on truckin'. ... Does the engine shake andstall when you put the transmission into ... car stalls if gas pedal not pressed.?
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Clutch plate and pressure plate seem to be too weak to pull the car. Or one of the CV joints is detached from the gear box. To test the clutch plate, park the car on flat surface. Pull the hand brake up, start the car, depress the foot brake pedal, depress the clutch pedal, put the car in 1st gear, press the gas pedal and leave the clutch pedal at once, while keeping the brake pedal depressed.
Follow one of the two following statements:
1. Engine does not shut down and remain start. (Clutch plate, pressure plate and clutch bearing defective - Replace all as a set)
2. Engine shuts down. (Clutch system is OK and does not require any repair).

Clutch plate and pressure plate seem to be too weak to pull the car. To test the clutch plate, park the car on flat surface. Pull the hand brake up, start the car, depress the foot brake pedal, depress the clutch pedal, put the car in 1st gear, press the gas pedal and leave the clutch pedal at once, while keeping the brake pedal depressed.
Follow one of the two following statements:
1. Engine does not shut down and remain start. (Clutch plate, pressure plate and clutch bearing defective - Replace all as a set)
2. Engine shuts down. (Clutch system is OK and does not require any repair).

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

I'd replace the fuel filter. It's easiest if you use a toggle joint adapter with your socket and ratchet.

use a couple of cans of injector cleaner as faulty injectors are indicated

For this types of problem,there are few help links.I suggest you to click the link below and go through the troubleshooting procedure :-----Car only starts when gas pedal is pressed? http://technoanswers.blogspot.com/2012/01/car-only-starts-when-gas-pedal-is.html-----------Car won't start without hitting the gas pedal? http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-without-hitting-gas.html
----------Complete loss of brake pedal then all gets normal? http://repairhelpcenter.blogspot.com/2012/01/complete-loss-of-brake-pedal-then-all.html
----------Car dies when gas pedal is pressed? http://schematicsdiagram.blogspot.com/2011/12/car-dies-when-gas-pedal-is-pressed.html
--------------Pushing on the gas pedal, but the car slows down? Gas pedal to the floor and the car slows down? http://technoanswers.blogspot.in/2012/02/pushing-on-gas-pedal-but-car-slows-down.html
-------------Idles rough and quits when gas pedal is pressed less? http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html----------This will help.Thanks.

go under the hood and manually move the accelerator to see what is binding it.

If you dont know how to do this then get an assistant to press on the accelerator (car does not have to be on) and whatch for the part that moves as he accelerates. Manually move this to find the binding. Please note that it is possible to have binding with in the cable assembly back to the foot pedal.

Good luck

It sounds like a prob with the cable from the peddle to the intake. Also check the motor mounts! Frankster016