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The BARO is located in the ECM. I just looked at a mechanic book and it says it is located in the ECM.

Im not looking for a MAP sensor.

Lambo can you PM it to me please. I want to thank you all for the info.

Does the 93 sc400 have a barometric pressure sensor and if it does where is it located?

Yes, i had my cats hollowed. The sound level seems about the same. Performance is the same.

I fixed my power steering pump but not my car :( When in the final steps of rebuilding my pump i had to pick my wife up from work and i rushed the job. Well i put the Flow control valve backwards. The backwards valve did not let power steering fluid flow through the system.

JBrady, i found that the 2.50 or 2 1/2 pipe fits perfectly in the Cat. The 2.25 is to small. I know because i just did it today.

I was looking over my notes and i think i forgot to install a snap ring. The pump has two, a big one and a small one. I forgot to install the small one. I am going to have to look for a snap ring because i threw the old ones away. Chris i hope i do get this car fixed.

I just put my power steering pump and my alternator back on my car. This did not fix the problem, even worse i think i did not rebuild the power steering pump properly because my steering wheel is hard and it feels like it does not have any power steering fluid. I already drove it for a while...

I just got my alternator back. I got lucky, it was not in bad shape at all. The rebuilder told me that all he needed to do was to clean it becasue the power steering fluid was not letting the alternator charge up. This is great because all i paid for was the cleaning. I am just waiting for the...

Lextreme, do you want me to document the car repair process or the power steering pump repair process? The power steering pump repair process has been documented at http://www.planetsoarer.com/Power%20steering%20pump.htm

Muzza what tool do i need to have?

I just oredered the seal kit and the bearing from lexus dealer. Can't wait to fix that problem. Hopefully planetsoarer information is correct.

I just finished removing the power steering pump, wow what a mission. It toke me loger to remove then the alternator. It is late here in virginia, i am going to inspect the pump tomorow. Zuffen thanks for the info and i hope it does bring back my acceleration.

My 93 sc400 is stock. I have not added anything. My low acceleration is all the time. But i can notice the lights inside and outside dimming at night. I think the power steering pump leaking on the alternator probably caused it to go bad. I am trying to remove the power steering pump for inspection.

I removed tha alternator, but power steering fluid was all over it. I might have a leak. Is there an easy way to remove the power steering pump? Is this a common problem?

I did not see any earth points. Are they connected towards the back of the heads? If so how far back, because i did not see anything connected to the heads. Also would it be easyer to get the alternator out from the bottom of the car? If i do it from the front it looks like i would have to...

Earth points, i did not know that. I will check them. Also i found an alternator rebuild shop here in virginia. I might remove my alternator and have them fix it tomorow. I have not removed the alternator in this car before. Is there an easy way of removing it?

What is an earthing strap? I have never heard of that.

Any other ideas i might have over looked?