They are located under the intake manifold in the center of the engine. One is towards the front and one is towards the rear. The intake plenum and intake manifold will need to be removed in order to service the knock sensors. More commonly the harness fails.
I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa
Testimonial: "thanks whitch knock sensor is knock 2 b2"
SOURCE: vsc vsc off check engine
Disconnect your battery for 10 minutes after which you connect it back the lights should go off. Don't report to toyota. Nigerian style!
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SOURCE: Toyota Avalon 2000
Knock sensor is located under the intake manifold, and there are two of them one for each Bank etc.
at the engine block under the intake manifold ....It takes about four hours good tech time....
SOURCE: P0171 check engine code on 2000 Toyota Avalon XLS
more than likely your mass air flow sensor is bad. it is located. on the air fliter box to the right of the box lid. cost about $200.00 at the dealership. go to autozone or advance and you can the same thing this one is a refurbished one for half to cost. un plug sensor. un screw two phillips screws, pull it out and put the new one in. thats it. good luck
SOURCE: My 2004 Toyota Avalon XLS will not start. The
The first thing to do is try another key. Perhaps your transponder key has failed.
You can identify a 'transponder key'; it has a wide part wher you turn it.
SOURCE: The check engine light produced codes p1150 and
All cars sold in the US after 1995 use the same on board diagnotics called OBD-II. The codes are the same. Search OBM-II error codes and you'll get a listing.
P1150 Air/Fuel Sensor Circuit Range/Performance. (cylinder bank 1 Sensor 2)
P1150 may mean that one or more of the following has happened:
water or corrosion in the O2 sensor connector, loose terminals in the connector, wiring burnt on exhaust components, open or short in the wiring due to rubbing on engine components, holes in exhaust allowing unmetered oxygen into exhaust system, unmetered vacuum leak at the engine, bad O2 sensor or bad PCM.
P1155 Air/Fuel Sensor Heater Circuit. (cylinder bank 1 Sensor 2)
P1155 may mean that one or more of the following has happened: O2 Heater element resistance is high, Internal short or open in the heater element or O2 heater circuit wiring high resistance
Solution :Replace oxygen sensor and see if the problem goes away.
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I hope this helps. Take Care.
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