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Check engine light

Tiny
HODEN90
  • MEMBER
  • 1990 HOLDEN COMMODORE
  • 3.8L
  • 6 CYL
  • AUTOMATIC
  • 265,000 MILES
I did a oil change and engine light came on. Tried resetting ECU/ECM, but still on.
Friday, August 23rd, 2019 AT 7:11 PM

8 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,959 POSTS
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.
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Monday, August 26th, 2019 AT 1:35 PM
Tiny
HODEN90
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  • 12 POSTS
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?
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Monday, August 26th, 2019 AT 4:35 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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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.
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Tuesday, August 27th, 2019 AT 10:25 AM
Tiny
HODEN90
  • MEMBER
  • 12 POSTS
Here is a video.
Video (Click to make bigger)
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Tuesday, August 27th, 2019 AT 4:45 PM
Tiny
HODEN90
  • MEMBER
  • 12 POSTS
Here is a another:
Video (Click to make bigger)
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Wednesday, August 28th, 2019 AT 3:27 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,959 POSTS
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.
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Thursday, August 29th, 2019 AT 9:39 AM
Tiny
HODEN90
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Here is the video.
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Thursday, August 29th, 2019 AT 4:18 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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What are we looking at here? Did you run the codes?
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Saturday, August 31st, 2019 AT 11:14 AM

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