Typically this will occur with poor quality gasoline, carbon buildup in the cylinders, or timing that is too advanced. Knock sensors are designed to detect detonation in your Toyota Tundra engine. It is advisable to check if the knock sensor is in place to prevent any potential damage to the engine. Most cars that are manufactured today have knock sensors installed in the engine. You don't have to remove all the cables just tie it up like the picture below. This is my progress thus far. If the author remembers correctly, the frontmost sensor closest to the engine comes out of the exhaust pipe toward the driver side while the rearmost sensor comes out toward the passenger side.
Alternatively, you can just cut the wire and remove the old sensor and disconnect it from its mating connector Look at the connector on the wire carefully so you pull on the right part! Probably a million dollars or so. Also, if your vehicle has run over 100,000 miles without replacing the knock sensor, it is best to get it changed. I'm seeing that the actual replacement is sort of a bitch to get to. All production turbo charged high performance vehicles come equipped with this knock sensor, because these engines are prone to pre-ignition issues. Don't forget the 3 ground lines - 2 in front and 1 in rear. The customer may complain that the vehicle's engine doesn't feel right.
Unplug this connector and fix a voltmeter that can measure more than 10 M ohms to the male connector. How to test a knock sensor? My mechanic prepared to install the part when he realized the dealer diagnosis was wrong- the part was good, but a rodent had chewed the wiring harness off. The next day, you take aspirin and sell off your golf clubs and a condo in Florida, then buy a replacement sensor Part 89615-12090 Sensor, Knock Toyota Denso. Fasten the bolt down securely. The other part extends from the muffler all the way to the engine area of the vehicle. Now attack the fuel intake and pull it around - it is held on by Torx T40 bolts and nuts. Good luck it can be hard to get to.
How clean easily your engine? I started the process of returning the unopened part to Parts Geek on Wednesday following all of their directions. Thanks everyone for the input. Replace the drive belt and restore it to the proper tension. Their process is a bit slow, but within 3 weeks they have refunded to my card the price of the part minus the 15% restocking charge, just as they warn you when you order parts. I couldn't believe there are so many posts on Internet that say it's in a different spot. Lots of 10mm bolts and nuts and the wiper motor connector.
It sounds like a industrial fan when turned on high. This part has a threaded part on one end and a small pole-like or pin projection on the other end. I have removed both bolts that hold the piping brackets to the engine block in the valley. Technically, there is a piezoelectric sensing crystal and a resister in the knock sensor to make sure it works correctly. The really bad news is. This Part Fits: Catalog: C Vehicle Sub Model Engine 2007 Toyota Tundra Limited 4.
They gouge you since they know you're screwed so hopefully you can find a good local mechanic who will only charge what was done. Now attack the fuel intake and pull it around - it is held on by Torx T40 bolts and nuts. They are fitted onto the hottest place on the engine and consequently the cables often get heated and hardened and easily break. The other 2 are use to send a very low voltage reading back to the computer to tell the computer if the engine is running rich or lean. Better set some time aside for this.
A dirty engine as the result of carbon deposits is the new threat to vehicle performance. I believe it is yellow in color. Some of these are located on the cylinder heads under the intake manifold. The symptoms of a bad knock sensor usually show up at highway speeds or under a load. It is a few inches below the manifold and all you will see is a bolt with what looks like a very thick washer on it with wires coming out of it.
The knock sensor is attached to the cylinder block. I learned there are two knock sensors under the manifold. According to Auto Zone, the sensor 1 bank 1 is before the catalytic converter with 2 and 3 located further downstream and are typically mounted in or after the catalytic converter. I am reliably informed that parts closest to the flywheel are numbered first. I just happened to have my maintenance file out. The o2 sensor for Toyota Tundra is located in the exhaust pipe where it measures the air-fuel ratio of the engine emissions. My wife's 2004 Camry 2.
They are fitted onto the hottest place on the engine and consequently the cables often get heated and hardened and easily break. Starting from the muffler and working forward with the exhaust system one sees two bits of the front pipe that are larger in size than the pipe itself. Don't forget the 3 ground lines - 2 in front and 1 in rear. I was hoping that the timing belt stretched out just enough to cause a vibration. My check engine light came on. Models made from 2005 to 2006 offer options for a 4.
These problems result mainly from poor combustion, which stifles the engine. Just keep listening and feeling for any negative changes. We bear no responsibility if you or anyone else gets hurt physically or monetarily following any advice or information offered here or any other page we host. Cut this tie wrap with snips and discard this is hard to get to. The vehicle's computer will detect a bad knock sensor, set off a code P0325-P0332 , and enter fail safe mode. So bank 2 is the passenger side of the engine and sensor 1 will be located before the catalytic converter. The Tech said they would have to take apart the motor to get to the sensor.