On Nissan Altimas and possibly other vehicles the problem may be fixed by having the dealer perform an idle air relearn procedure, or other relearn procedures. The controls the electric throttle control actuator so that the engine speed coincides with the target value memorized in the. Sometimes when I take off the car takes off on it's own with. Small vacuum leak raises idle speed. © 2012 Rick Muscoplat eautorepair. Then turn the key off and wait 10 seconds.
Before you head to the dealership, you might want to contact a local mechanic to complete an. That might give them reason to stop working on it. Over time, carbon deposits can obstruct the movement of the valve. Center the steering wheel and make sure the wheels are pointing straight ahead. Then repeat the procedure from the very start.
You may have to repeat this beginning procedure a few times until you get the Check Engine light to start blinking. The idle fluctuations may cause the vehicle to have trouble running but in most cases the engine will not die. Often, vacuum lines tend to break right where they connect to the nipple, and you can simply trim off the broken piece and reconnect it. I just cleaned around the throttle plate, which I moved as part of the cleaning. Make sure the accelerator pedal is fully released.
After about 10 seconds the Check Engine light will start blinking. The solenoid was Part number: 52090419aa which comes up solenoid purge valve. Thus, if your scan tool shows other codes, it is better to diagnose them first. A small vacuum leak will also raise the idle speed. On Nissan Altimas and possibly other vehicles the problem may be fixed by having the dealer perform an idle air relearn procedure, or other relearn procedure Jul 27, 2014 P0102: you need to make sure the sensor is clean; sometimes it get dirty as you are working on an old car.
Next, perform the throttle valve closed position learning procedure. . I am getting the error code above. Have you heard of the pressure switch causing high idle before on a 04 Maxima? A few different systems are involved in the P0507 code and if one system is overlooked parts that are working properly may be replaced. I have a 2003 Nissan Altima 2. Keep in mind that there are differences in model years. If your are for a different car, select that vehicle series before searching for the diagnostic codes because not all used by one manufacture are used by the other makes.
But in this case I was almost sure that it was caused because we cleaned the throttle body. They provide more bogus information than Satan. Then turn the key off and wait 10 seconds. The target engine speed is the lowest speed at which the engine can operate steadily. This was very troublesome and is a known problem. They mostly depend on electronics and sensors to control the throttle. How do you troubleshoot code P0507? If the code comes back you may have to replace the Electric Throttle Control Actuator Motor to repair the problem.
Removing even small amounts of gunk improves the airflow, but also screws up the engine computer which has learned to expect a lower airflow. The optimum value stored in the is determined by taking into consideration various engine conditions, such as during warming up, deceleration, and engine load air conditioner, power steering and cooling fan operation, etc. Fully depress the accelerator pedal. I also felt it hesitate once today while driving. Nissan Camshaft Position Sensor Location with 2.
Error Code P0507 means the idle speed is faster than normal. Vacuum Leak A leaking vacuum system will often cause the Frontier to idle higher. Tech notes If there are no intake leaks, clean throttle body, adjust engine idle and erase engine code. It's a 04 quest sl with 90K on it. If there are no other codes, inspect the intake air system for air or vacuum leaks and damage. I think I would start with checking for vacuum leaks and clean the throttle body.
One of the Autozone guys and one of the intake guys from the dealer have commented on how touchy the starter is. My engine idles great at times but sometimes idles at 1,000 to 1,200 rpm. But once the throttle body is cleaned, the excess air increases the idle speed. Strange thing is that the car runs great. We disclaim any and all liability for losses, injuries or damages in connection with your repair.
Approximately 9 seconds later, the light changes from blinking to steady once again. The most common cause of a P0507 code is a vacuum leak, usually somewhere in the intake manifold. Downstream replaced with in year. If the valve is stuck or moves with difficulty, try to clean it with carb-cleaner. The relearn actually starts once the engine is running. Look up the other , please use the search box. I read that a worn, but not faulty, power steering pressure switch could be a cause for a high idle.