I broke a little plastic thing on the top of my engine on my 1990 lexus LS400 and I do not know what it is. I think it is some kind of sensor.

Front of intake on the drivers side see link

DIY Coolant Temperature Sensor change PICS Club Lexus Forums

images for Where is crankshaft sensor location on 95 ...

eplaced engine on '97 SC300 now new engine does not have Crank ...

www.clublexus.com/.../633233-replaced-engine-on-97-sc300-now-new-...

May 4, 2012 - Location: arizona. Posts: 3 ... apparently 95-97s had an additional crank sensor. .... 1995 Lexus SC300 5spd Na-T ( TT Ecu Mod + a few others) 2jzge position sensor??
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Lexus Crank Position Sensor ' LS400 SC300 ES300 GS300 ...

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Products 1 - 10 of 68 - 95 1995 Lexus LS400 Crank Position Sensor Denso NLA 7/13 ... 96 1996 Lexus SC300 Crank Position Sensor Denso Includes Pigtail.

On both sides of the headrest spokes are little adjuster rings. Adjust the headrest up to the highest position. Push down on both of the adjuster rings. While doing that, pull up on the headrest and it will pop right up. Here is a link to help you with all other questions: http://www.clublexus.com/forums/ls400/18383-trying-to-remove-front-seat-headrest-on-ls400-dont-want-to-break-it.html

Ceck the ignition cam sensor must be in proper position with the cam gear.

try the computer. known for going bad.

I don't have a 90 LS 400 so I'm not 100% sure this is what the inside of your car looks like but I think this will do it for you: http://www.lexls.com/tutorials/audio/headunit.html

Looks a little intimidating but it's not too bad.  Good luck!

well your best bet is take it to the lexus dealer to get your oil changed and just tell them you just got it and you would like it looked over good trust me as slow as shops are right now they are gonna do a good inspection hoping to make money.. lol but make sure you go to the dealer cause they know what the commen stuff ya know

The starter is beneath the intake manifold on the top of the engine. Everything will have to be removed to get access to it . Once its uncovered, there are only 3 bolts on the starter.

Hi again,

Any developments with your Lexus?