Computer is sending a knock sensor problem code, where this sensor is located? nissan maxima se 1999

Melvia, Knock sensor located under the intake manifold between cylinder #2-3 I believe, hard to change with out removing intake manifold, but can be done. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
1995 1999 Nissan Maxima 1 2 Knock sensor replacement
KA24DE Knock Sensor Code 34 FREE REPLACEMENT How To
Knock sensor on 1995 Altima
Get the Best Priced Nissan Sentra Knock Sensor

its under the radio on the floor. look on the floor right next to the gas pedal. you will see a black side cover. remove the cover and you will see the computer. there is a cover on the passenger side also. right under the glove box next to your left foot if you were sitting in pass. side seat.

O2 sensor is mounted in the exhaust manifold ,

Knock Sensor Strategies: A failure with the knock sensor can cause spark knock and engine damaging detonation because the PCM will not know to ****** ignition timing if knock is occurring.

I suggest to replace spark plugs before you return back.

A Bad Knock Sensor will not cause a misfire, unless the advance is off due to a faulty Knock Sensor. The O2 Sensor will cause a random misfire.

Good luck on this repair.

Your knock sensors might have gone bad, allowing the engine to ping. The knock sensors would usually retart the timing, to stop that pinging. They don't illuminate the check engine light when they go bad, but the code will be stored in the ecm if they're bad. Have your engine codes read to see if that's the problem.

P0325 is a knock sensor. the knock sensor will not set the ses ligth

P0136 indicates a bad O2 sensor. This reports poor emission performance back to the car's PCM (computer)
P0325 indicates a bad "Knock" sensor which would adversely effect drivability as far as performance is concerned. Only way to fix these 2 problems is replacement of the 2 components.

Your knock sensor is located Under the hood, center, front engine area, below intake manifold, mounted on block.


A defective knock sensor may cause engine detonation or reduced spark advance and fuel economy. When a knock sensor is removed and replaced, the sensor must be tightened to its specified torque. If the knock sensor is installed tighter than it should be, it may become too sensitive and provide an excessively high voltage signal, resulting in more spark ****** than required. When the knock sensor is installed looser than it should be, the knock sensor signal will be lower than normal, resulting in engine detonation.

To replace the knock sensor:

• Disconnect the knock sensor wiring connector.
• Then, unscrew the sensor.
• Remove the knock sensor.
• Reverse the procedures to install the part.

under intake