Question about 2005 Nissan Maxima
It happened four times so far.
The first time when u turned on the ignition the VDC light came on. On the panel it displayed Service Engine Soon. The motor ran but when u put the car in drive and pressed on the gas pedal the car did not move.
Disabled the battery terminal for 5 minutes to reset the sensors and it worked.
The garage said that the electronic sensor connection near the gas pedal was lose and they have tightened it, they also put a tape around it so that it does not get loose again. This did not work. That night I encountered the same problem. I lost gas power and had to disable the battery terminal to drive back home.
TCS is Traction Control System,and all TCS's are controlled though the Anti Lock Braking (ABS) system.Here's how it works:Each wheel,or in some cases,only the drive wheels have a speed sensor mounted near the hub or axle,and sends a speed signal to the PCM (Powertrain Control Module).The PCM monitors wheel speed continuously,and if it sees a speed out of the ordinary,say for example the right rear tire is spinning and traveling at a much higher speed than the left rear,the PCM will pulse the brakes through the ABS system on the right rear to slow down the right rear so that the left and right wheel speeds match up,this is how the traction control works.So,if you have a TCS problem,the PCM will see this and set a Dignostic Trouble Code (DTC).You need to pull the DTC's out of the system with a scan tool,diagnose and repair the DTC's.It could likely be something as simple as a malfunctioning wheel speed sensor,but you won't know until the codes are pulled out,as this will point in the general direction.Good luck.
Posted on Aug 09, 2008
I discovered that its the throttle body sensor. Its not sensing the postion of the foot pedal. The throttle body has a sensor that is linked to your gas pedal via a cable. The spring that the repair man mentioned could be the issue. The sensor then communicates to the computer the position and then computer then applies fuel, the mass air sensor then will communicate to the computer and the computer will then allow more or less air to fuel ratio. So if your stomping on the gas and there is not any response, then your throttle body sensor is most likely going out.
Posted on Feb 02, 2009
I had this problem with my 2004 Ram with 5.7 Hemi. The check engine light would come on, it had a hesitation at a certain rpm range and would shut off on me from time to time. Took it to my mechanic and he said the electric throttle sensor wasn't reading correctly and my EGR valve was out. He fixed both problems, but then had to send the truck to the Dodge dealer to get the computer reflashed and the dealer is the only one that can do it. Cost about $500, but after that, no more problems. Better performance and fuel mileage.
Posted on Feb 04, 2009
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