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IS - 1st Gen (2001-2005) Discussion about the IS models up to the 2005 model

IS300 won't start

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Old May 19, 2020 | 03:36 PM
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RHtoyota
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Default IS300 won't start

Hi guys and gals, new to Club Lexus.

I have a 2001 Lexus IS300. The immobilizer on my key broke and my car wouldn't start. Before I had no such issue with this, so when I had my ECU modified (immobilizer removed) I thought I wouldn't have any problem starting the car. Now, it just doesn't want to start up, and when I sprayed starter fluid into the intake the car backfired through the intake.

Any idea as to what the issue is now?

I am at the end of my patience with this car, and don't want to drop too much more money into it as it's already pretty rough anyway...
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Old May 20, 2020 | 12:26 PM
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Need to check timing, fuel, and spark.
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