Question about 1992 Lexus Ls 400

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Why my catalytic converter get red hot on my 1992 lexus ls 400?

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May be an over rich fuel condition.
Repair the cause first
The converter is as good as dead, as a result of the real issues

Posted on May 03, 2010


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My 1994 lexus 400 was running good. One problems it had to ease up to 50, 60 and 70 and 80 miles an hour. I did not pull out in front of cars because I had lost excellerated power at take off. After...

I have a 97 Lexus ls400 I replace the catalytic converters the fuel injection rail system injectorsCadillac converter still turning red need help

Aug 12, 2013 | 1994 Lexus LS 400

1 Answer

Lexus ls400 will not stay running and got catalytic convert changed, what could be the problem?

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Sep 08, 2012 | 1994 Lexus LS 400

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What is the firing order for a 1992 Lexus LS 400?

Here is a diagram that should help you out.


Jun 10, 2010 | 1992 Lexus Ls 400

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Wash engine now whole exhaust symblem turn cherry red hot

your catalictic converter may be plugged do you have any engine lights on

Nov 30, 2009 | 1992 Lexus Ls 400

1 Answer

Both Catalytic converters glowing red , plz adv how to get them fix????

Hot catalytic converters indicate too much fuel in the exhaust. This can be caused by poor ignition/misfiring, a problem with fuel/air ratio, ignition timing, cam to crank timing(timing belt/chain).
Catalytic converters have the capability to break down excess hydrocarbons by process of chemical reaction. The more fuel, the more heat. The problem is that they will eventually melt and plug up. So I suggest you repair soon.

Oct 29, 2009 | 1993 Lexus Ls 400

1 Answer

Where is the oxygen sensor located in 95 lexus ls 400

there are 2 of them. bank 1 and bank 2. bank 1 is the passenger side and bank 2 is the driver side. they are underneath the car and placed in front of the catalytic converter in the exhaust stream

Oct 04, 2009 | 1995 Lexus LS 400

1 Answer

Catalytic converte dont work

I agree it would be the catalytic converter. To be sure though since they are rather expensive it would be wise to hook it upto a diagnostic machine just to be sure.

Dec 24, 2008 | 1993 Lexus Ls 400

1 Answer

Running rough

Could be a bad catalytic converter, check under the car and see if they turn a hot red color.

Sep 09, 2008 | 1996 Lexus LS 400

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