Do you need to adjust the idle speed on a Nissan Pathfinder?
However, if repairs are made that require a replacement throttle body or movement of the idle speed screw, the base idle speed will need to be adjusted so that the computer can accurately control the idle speed. Allow the engine to cool completely. The base idle speed must be adjusted with a cool engine on the Nissan Pathfinder.
Why does my Nissan Pathfinder run so rough?
If an oxygen sensor goes bad, it can make your Pathfinder run too lean (or rich). A super lean running engine will often idle rough. The fuel injection systems job is to atomize the fuel into fine mist.
What’s the idle speed on a 1997 Nissan Hardbody?
I have a 1997 Nissan Hardbody with a 2.4-liter engine, manual transmission, A/C, and 89,000 miles. It idles at 1,500 rpm, which doesn’t go down after it’s warm. I checked all the plugs and everything seems to be plugged correctly.
How do you fix a high idle on a Nissan truck?
If necessary, adjust the fast idle cam screw (A) until the alignment mark is centered on the lever roller. Start the engine and let it warm to operating temperature, or do the repair after a few errands that you needed to run anyway. Measure the clearance between the lever roller and the top of the fast idle cam using a feeler gauge.
Why are the spark plugs on my Nissan Pathfinder not working?
Spark Plugs – One of the absolute most common causes (if not the most common reason that your Pathfinder may be misfiring) is the spark plugs. Although most modern vehicles use iridium spark plugs, they still need to be changed at the manufacturers recommended interval.
What are the O2 sensors on a Nissan Pathfinder?
The oxygen sensors that are equipped in your Nissan Pathfinder are responsible for monitoring the exhaust to help the ECU determine the correct air/fuel mixture. Of all the sensors equipped in your vehicle, the O2 sensors may have it the hardest. They deal with super hot exhaust that can cover them in deposits that can leave them ineffective.