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2001 DII issues

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Old 10-23-2018, 11:46 PM
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Default 2001 DII issues
I have a 2001 Disco II that I’ve just replaced head gaskets on. 4.0 gas engine. Truck shows no codes, my scanner shows all readiness tests complete, but the check engine light stays on while ignition is on, engine not running. But isn’t on while engine is running. Any ideas? I need to get emissions test done to get my tag in Georgia.
 
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Old 10-24-2018, 02:11 AM
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Originally Posted by kucklehead
I have a 2001 Disco II that I’ve just replaced head gaskets on. 4.0 gas engine. Truck shows no codes, my scanner shows all readiness tests complete, but the check engine light stays on while ignition is on, engine not running. But isn’t on while engine is running. Any ideas? I need to get emissions test done to get my tag in Georgia.
I believe its normal. Ignition on checks all system then disappears when engine runs after start.
 
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Old 10-24-2018, 09:05 AM
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Originally Posted by LR03NJ
I believe its normal. Ignition on checks all system then disappears when engine runs after start.
I'm pretty sure every car I have ever owned does this.
 
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Old 10-24-2018, 09:45 AM
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An engine can't be checked for emissions unless it's running. The power-on test just checks various sensors for responses.
 
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Old 10-24-2018, 09:57 AM
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FYI... What helped me pass the Georgia emissions test after a fail for my 2001 D2:
get the fuel tank down to half,
pour in some BG-44K,
run the snot out of it for a half an hour,
and then get the emissions test.
 
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Old 10-24-2018, 11:09 AM
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Originally Posted by kucklehead
I have a 2001 Disco II that I’ve just replaced head gaskets on. 4.0 gas engine. Truck shows no codes, my scanner shows all readiness tests complete, but the check engine light stays on while ignition is on, engine not running. But isn’t on while engine is running. Any ideas? I need to get emissions test done to get my tag in Georgia.
It's working 100% correctly then.
 
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