i have a 95 lexus ls400. it passed emissions but the engine light was still on. I changed 2 of the oxygen sensors and the light went off initially then came back on after 50 miles. WHATS NEXT!?

Asked by chrisk5 Jul 17, 2015 at 10:37 AM about the 1995 Lexus LS 400 RWD

Question type: Maintenance & Repair

i have a 95 lexus ls400. it passed emissions but the engine light was still on. I changed 2
of the oxygen sensors and the light went off initially then came back on after 50 miles.
WHATS NEXT!?

FordNut answered 10 years ago

You got a break by the guy if he passed your car with light on. But Lexus was OBDII compliant in 1995, a year before it was mandatory. recommendation is go to a parts-house, a big one like Auto-Zone or O'Reilleys and ask then to do an OBD scan. Whatever codes you get, write down and come back here before buying anything. Electrical parts are not returnable even if never installed. One of us will be happy to guide you to a solution.

3 people found this helpful.

Mark helpful

Lexus700 answered 7 years ago

You have to erase the old codez in the comp. If not check all conection s tempeture ratex sensors

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i have a 95 lexus ls400. it passed emissions but the engine light was still on. I changed 2 of the oxygen sensors and the light went off initially then came back on after 50 miles. WHATS NEXT!? 2 Answers

i have a 95 lexus ls400. it passed emissions but the engine light was still on. I changed 2 of the oxygen sensors and the light went off initially then came back on after 50 miles. WHATS NEXT!?

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i have a 95 lexus ls400. it passed emissions but the engine light was still on. I changed 2 of the oxygen sensors and the light went off initially then came back on after 50 miles. WHATS NEXT!?

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i have a 95 lexus ls400. it passed emissions but the engine light was still on. I changed 2 of the oxygen sensors and the light went off initially then came back on after 50 miles. WHATS NEXT!?

2 Answers

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