Replaced ECU, car cranks but no start. - Lexus IS Forum
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post #1 of 2 (permalink) Old 04-02-2019, 09:33 PM Thread Starter
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Replaced ECU, car cranks but no start.

Just replaced the ECU on my 2002 is 300 Sportcross, engine cranks but won't start. Any pointers or tips would be greatly appreciated. Thanks
Q
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post #2 of 2 (permalink) Old 04-03-2019, 03:45 AM
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Originally Posted by Nathan88 View Post
Just replaced the ECU on my 2002 is 300 Sportcross, engine cranks but won't start. Any pointers or tips would be greatly appreciated. Thanks
Q
Could be an immobilizer problem. Maybe you will have to hook a techstream to reprogram your keys/immobilizer with the ECU

2002 IS300 - Manual 5-speed LSD M85
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