WATER TEMP SENSOR

Lexus

Tiny

mcteg8995

November, 13, 2007 AT 2:40 PM

Hi
I have a 1991 Lexus LS400 with 224k miles on a 4.0L 1UZFE engine. Whenever I make a stop and the engine is warmed up, the engine stalls. It starts up fine but when I stop, it dies. The engine check light came on and I checked what the code read. I got code 22, water temp sensor signal. Can this be why my lexus stalls and could it be a potential threat to my engine if I do not replace it soon? How do I replace this sensor?

2 Answers

Tiny

rasmataz

November, 13, 2007 AT 3:04 PM

I'll start at the ISC solenoid valve and open up the EGR if it has one and check for carbon. For the Temp. Sensor try clearing it, if it comes back-you got a problem with it could be the sensor/wire or computer.

ISC solenoid valve


http://www.2carpros.com/forum/automotive_pictures/12900_isc_1.jpg



www.eautorepair.net , need repair manuals see below

http://www.2carpros.com/kpages/auto_repair_manuals.htm

Tiny

mcteg8995

November, 14, 2007 AT 2:33 PM

Well, I found out what the problem was and had a feeling this would go out someday. It was the mass air flow sensor. Its going to cost me $1300 just for one part! I want to thank whoever replied to this thread.

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