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1992 Lexus LS400 Question: why are trac off and cel lights both on



, 4.0L V8, Cedar Knolls, NJ, October 06, 2011, 23:16

i had both rear os replaced, do i need to replace front os too

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  • Answer #1

    jocstg from Shade Tree Garage, October 07, 2011, 08:15

    I will be happy to read the fault memory for you. Anything that effects emissions will put the MIL on even a transmission problem. If the tracs lamp is on it may be the reason the MIL is on.

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