Question about 1998 Lexus Gs 300
I have a 2003 Lexus ES 300. The Alarm will go off sometimes right after I get out of the car... Fill it up at the Gas Pump and while I am standing there it just goes off. It has happend several times. The Alarm goes off even without the car being locked or the Alarm turned on. Any Ideas anyone?
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Posted on Jan 02, 2017
SOURCE: 92 lexus es300 knock sensor
Need to remove the upper and lower air intake manifold. There are two knock sensors for the front and rear pistons banks. If you plan to do this yourself it is about 1 to 2 hours. While you are at it, there is a short coolant bypass hose sitting in the same spot, replace it. Another problem with the knock sensor is the wire harness used to connect the two knock sensors into one connection sometimes wears out and contacts the metal on the engine causing false signals to the ECM, so replace this cable also.
Just did this last summer on my 99 ES300. Pretty easy.
Posted on Mar 16, 2009
according to the manual i have... it has three.... one in the exhaust manifold.... and two in the exhaust pipe..... slightly vauge on the exact location of the last two sensors... but looks like it is after the catylitic converter.
Posted on Apr 15, 2009
1. I presume your button on the dash (which opens the trunk) is not working. You could take that button out of the dash panel and manually activate the circuit by using the wires themselves.
2. If the "valet" key doesn't fit the trunk lock, see if the keys are visible through the center back seat access 'hole', make a wire hook attached to a broom handle, etc. and try to catch the ring the key is on. If the view is blocked by other things you can't move, figure out at way to move things in the trunk so you can get something to reach the key(s). Do you have other metal keys on the same keyring? If so, use a magnet to grab the whole set.
3. Have you considered taking out the rear seat? Do the bottom seat cushion first, then the back.
4. By now you have hopefully already gotten your keys back out of the trunk, but if not I hope one of these suggestions works. MW
Posted on May 12, 2009
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