Question about 2001 Nissan Xterra
Knock sensors are common, but you wont have any problems from it. Verify good spark plugs and wires, cap and rotor. It may be time for a pro to check it and not waste money guessing.
Posted on Jun 02, 2012
I am no expert, but I just had a similar problem. The car would shake and buck when accelerating. It finally just died and would not start. After sitting for some time, the car would start and run a while, then do the same thing. I thought fuel pump. The dealer diagnosed distributor. After replacing, the car is running perfect. Something to think about. Good luck.
Posted on Mar 28, 2009
SOURCE: 2004 Nissan Xterra 75,000 miles
I had the same problem recently, but gave me 2 codes knock sensor (which will not activate the service light as i found around)
and gave me the air flow mass sensor. took it out clean it,
change the air filter,with a good one, vacum the inside of the filter holder and light went of about 2 days later.
Posted on Jul 26, 2008
The engine drive belt operates the AC compressor. The OUTER pulley on the compressor , where the belt is, is always turning when the engine is running. When the AC is turned on, a CLUTCH on the compressor is engaged and connects the outer pulley to the compressor shaft. So, when the compressor is actually working, the outer pulley AND the inner ring just behind the outer pulley are both turning. When the AC is off (or not working correctly, as in your case), only the outer pulley turns.
It sounds like there is a major leak somewhere in the system. If you want to try and to find the leak yourself, there is a product in auto parts stores that is made for this. It is a canister, like the refrigerant used to charge the system, that will blow out a dye in the system, where the leak is. This can help you identify where the leak is ....If this info was helpful, please post... Thanks...
Posted on Jun 27, 2009
ok if it is getting spark at spark plugs that rules out ignition, let go to fuel, needs to check fuel pressure and also injector pulsation, if no pulsation fuel will not get into cylinder's, also a knock sensor will not keep an engine from starting, it controls ignition timing once engine is running.
Posted on Jan 05, 2010
V6 3.3L The sensor is located underneath the air intake manifold on top
of the engine block. This should take an experienced mechanic about 3-4
hours to replace.
Fig. Engine compartment component locations
Hope this help (remember rated this free help) Good luck.
Posted on Feb 08, 2010
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