Check engine light

1990 HOLDEN COMMODORE
265,000 MILES • 3.8L • 6 CYL • AUTOMATIC
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HODEN90
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I did a oil change and engine light came on. tried resetting ECU/ECM, but still on.
Aug 23, 2019 at 7:11 PM
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STRAILER
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Hello,

Try to turn the key to the on position without starting the engine, then push the throttle to the floor five times then shut the key off. This should work you may need to do the procedure more than once. Let me know.
Aug 26, 2019 at 1:35 PM
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HODEN90
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Hey mate, I just tried it still same thing going on. light comes while on idle but when accelerating it goes off. could it be fuel pressure?
Aug 26, 2019 at 4:35 PM
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STRAILER
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Can you please shoot a quick video with your phone so we can see what's going on? that would be great. You can upload it here with your response.
Aug 27, 2019 at 10:25 AM
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HODEN90
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Here is a video.
Aug 27, 2019 at 4:45 PM
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HODEN90
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Here is a another:
Aug 28, 2019 at 3:27 PM
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STRAILER
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Thanks for the video, lets run the codes to see what comes up. here is a guide:

https://www.2carpros.com/articles/buick-cadillac-chevy-gmc-oldsmobile-pontiac-gm-1983-1995-obd1-code-definitions-and-retrieval-method

Please run down this guide and report back.
Aug 29, 2019 at 9:39 AM
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HODEN90
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Here is the video.
Aug 29, 2019 at 4:18 PM
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STRAILER
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What are we looking at here? Did you run the codes?
Aug 31, 2019 at 11:14 AM