GS - 1st Gen (1993-1997) Discussion about the first generation GS300

CHeck engine and Traction lights on

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Old 10-12-08, 06:44 PM
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BklynRX7
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Arrow CHeck engine and Traction lights on

Hey everyone, i just bought a 1994 gs300. It drives fine but the check engine light and the traction control light are both on. The traction control button has no effect on the light. Does this mean that the t/c is off? If something is wrong with the t/c, what typically goes wrong?

Im just trying to get a feel for what kind of fix I am in for.
Old 10-13-08, 01:26 PM
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yusef
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Originally Posted by BklynRX7
Hey everyone, i just bought a 1994 gs300. It drives fine but the check engine light and the traction control light are both on. The traction control button has no effect on the light. Does this mean that the t/c is off? If something is wrong with the t/c, what typically goes wrong?

Im just trying to get a feel for what kind of fix I am in for.
get the check engine codes checked
Old 10-16-08, 12:17 PM
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link13
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It may not be a big deal, but the only way to know for sure is to pull the error code. This site explains how to pull the diagnostic information on OBD1 and also includes a chart explaining the codes:

http://www.troublecodes.net/Lexus/

O2 codes and EGR malfunction codes on these cars are very common, but you won't know what you've got until you know what the code is.

My understanding is that the TRAC light always comes on with the CEL in cars with traction control. Mine doesn't have that option, though, so I can't say for sure.
Old 10-17-08, 05:58 PM
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BklynRX7
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Arrow

Ill try to get it checkd out on sunday, thanks for the write up. I have quite few error lights in this car right now, the trac light, airbag light, and taillight light are all lit not to mention the 3-4 oher electrical issues going on.
Old 10-19-08, 04:19 PM
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BklynRX7
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Ok, I pulled the codes today and I get code 71 for a bad egr. I see the writeup in the diy section and it mentions that this effects the TRAC light also. Is this correct? and if so will replacing my egr solve the TRAC light problem?

Also, I dont want to start another thread for it but is there ay way to find out why the airbag light is on?
Old 10-19-08, 07:17 PM
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boxcarfan
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tech. there is no problem with the trac. it shutdowns the trac. when the CEL is on. but seriously good luck with the EGR lol.

no clue with the airbag.
Old 10-19-08, 09:00 PM
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BklynRX7
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Really? I dont totally understand why but thats good news if thats the only reason. Thanks.
Old 10-19-08, 09:03 PM
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boxcarfan
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yea. i dont fully know why either. but at work all the CELs we get always have the trac. light on. theres no code for it. it just disables the trac. when it has a CEL.
Old 10-20-08, 09:51 AM
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The guys are right. There is no problem with the traction control. 71 is either the EGR valve or vacuum modulator.
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