LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Exhaust

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Old 09-17-03, 05:29 AM
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jas400
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Default Exhaust

Hey guys im new here and about to take delivery of a 1992 LS400
When i was talking to the guy that im about to buy it off he explained to me that if i change the exaust i will have to get the ECU remapped....he has another LS400 with a sports system on it and it idles very high.
Lexus told him it was because of the exhaust

Any comments would be a help
Old 09-19-03, 05:36 PM
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JBrady
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Not true.

The ECU will be fine.

The high idle is most likely due to a bad throttle position sensor TPS.
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