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That is a strange looking deal. With all of the technology and high end fabrication that is in that picture there has to be a good reason for that type of build----very interesting.

It is very difficult to help diagnose a car that is not in front of us to check out but, with that said is it possible you got some bad fuel on the last evening that the car ran? Also make sure you are getting spark from both coils-- if this is a V8 car, but they still will usually run on one coil.

The pumps are very easy to rebuild/reseal but, the shaft needs to be in perfect condition where it goes through the front seal or it will still leak. The problem with getting a used one is it might be in the same condition as the one you already have. If you do get a used pump make sure it is...

Just because you bypassed the fuel pump ECU doesn't mean you have fuel pressure. You need to check fuel pressure.

Check with your local dealership ( preferably LEXUS ) and ask where they get theirs made.

Like Muzza NZ said check for a vacuum leak or idle air control valve malfunction. Try pinching off the big hose from the idle air controlvalve to the air intake tube. If the engine keeps running it probably has a vacuum leak, if it idles way down and or dies it probably has a bad IAC valve.

Prosa63 I see you are in Adelaide, but I don't know where on the planet that is. Would the bellhousing on the Powerglide you have be the same as the standard Chevy bolt pattern I am familiar with in the U.S. This may seem like a strange question but, Now that the internet has opened up my...

Check where the 2 lines run along the bottom side of the radiator. There is a clamp that supports the 2 tubes, Coupes are good for rotting through in that spot.

Resistance will change with different leads as previously stated, but will also change with temp. 14.8 on a 14.2 spec should not make any difference.

42 Married for almost 19 years. 2 boys (9 and 11). Lexus dealership mechanic for 16 1/2 years.

I have never heard of an IS200, they must not sell them in the U.S.

I have never physically matched them up but, I have changed several of all of them and they sure look the same.

Thank You for the clarification, I was going off of memory and it was several years ago.

Check the wires that are in the left trunk hinge. Untape the harness on either side of the BEND area. Sometimes the wires will break from years of bending and will backfeed into the ECU.

It might have been Larson---Larson Engineering.

There was an article in HOTROD magazine several years ago of a red car that looked like an airplane with wheels. Anyway this car had a 1uzfe and a GM trans (I think it was a th400). I THINK the guys name was Gary Larkin of Larkin Engineering somewhere in California.

I have never noticed this on LS engines but, ES300s used to get a green gunk that looked kind of like clay when the coolant was old. I was told this is the silicates from the aluminum and old coolant. As already stated, flush it good.

I just ordered the Innovate LM1 yesterday for a non Lexus project. From what I understand Megasquirt stopped their wide band development because there are several low cost wide band units on the market now.

Don't let it leak for too long; It is very common for a leaky power steering pump to leak into the alternator and damage it.

Check the timing marks and make sure you are not a tooth off. While you are in there check the very thin sheet metal reluctor ring that is on the backside of the drivers side timing sprocket, If something got in there it could be damaged and setting the code. Also check the cam position sensors...