solutionsforeverything

I have a 2000 Nissan quest van the check engine light blinks on and off while driving what could be the problem It may need servicing and is letting you know that it is nearing a pre programmed service interval. It may be that an issue is in the process of developing and is giving you notice of it. I would consult a good independent to have them check it out before anything serious develops check engine light p0325 knock sensor bank 1 or sensor closed loop bank 1 p0135 o2 sensor i bought the car with check engine light on i 've changed on of the o2 sensor and i did tun up on it but still the light still the code in the scanner reading the code in the top  The PO325 knock sensor code is common on many Nissans, it doesn't bring on the Service Engine Soon if is performance related, it will bring on the light if the sensor goes open circuit.. These engines just always seem to have that code when you are presented with another trouble code, so go after the Oxygen...

Check engine light reset Q: Please Tell  how to turn off my "Check Engine" light? For 1997 Jeep Grand Cherokee Laredo, 4.0 L. An auto parts store guy read the code for me, and said he thought it would turn off after about 15 or so "drive cycles". Any truth to that? A: The “Check Engine” will turn off by itself if the problem is no longer present after about 3 drive cycles. Each time your vehicle is started and driven the computer’s software commands a wide variety of tests to be performed and monitors various sensors while the vehicle is being driven. A drive cycle is when the vehicle/engine sets long enough for the coolant to drop below a specified temperature. Then the engine is started and the vehicle is driven at different speeds and allowed to reach full operating temperature. The reason for this? The computer not only tests the system, it also monitors for range of operation. Certain tests can only be performed when the engine is cold while others are ...