Check Engine light reset?
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Freshman User
Joined: Feb 2007
Posts: 46
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Check Engine light reset?
Is there some sort of reset to turn off the Check Engine light? I had replaced the TPS sensor, and after a day the engine seems to have stopped the high idle and returned to normal, and now it still has the check engine with the same error code, but the problem seems to be resolved. My previous post: https://www.ford-trucks.com/forums/1...ine-light.html
Junior User
Joined: Feb 2011
Posts: 92
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From: Central California
Unless you live in California, but you can purchase one on Amazon for around $25.
Cargo Master
Joined: Jul 2009
Posts: 2,885
Likes: 26
From: Chino, California
I would just go and get one. Get a ScangaugeII. It has other gauges thay the dashboard doesn't offer. Plus, you can use it on other vehicles as well as long as it has the sensors for it.
Hotshot
Joined: Jan 2004
Posts: 19,763
Likes: 1,081
From: St Louis
Ya'all are making this way too hard!
The PCM's memory can be reset by either disconnecting the battery negative terminal or by removing the PCM's KAM fuse for 10 minutes if you don't want to reset your clock and radio settings.
The PCM's memory can be reset by either disconnecting the battery negative terminal or by removing the PCM's KAM fuse for 10 minutes if you don't want to reset your clock and radio settings.
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Postmaster
Joined: Jun 2008
Posts: 2,564
Likes: 11
From: Wayyy NoCal, USA
That is correct in most cases - but it also erases your FI correction maps so your fuel economy will take a dip until it re-learns.
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Hotshot
Joined: Jan 2004
Posts: 19,763
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From: St Louis
Perhaps, but you are far better off starting from factory baseline programming after repairing a fault that has affected fuel trim and the resultant shifting parameters rather than trying to let the PCM re-learn and attempting to recover from skewed sensor data.
New User
Joined: Oct 2016
Posts: 4
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Hi. I know it's been years since you posted to this thread, but I was wondering if you could help me. I recently tried clearing my codes by doing what you suggested, now my truck won't start. Actually, it won't even turn over. Any assistance would be appreciated. Thanks.
Senior User
Joined: Oct 2016
Posts: 137
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From: Northern NY State
Are dome lights dim, does the bells all sound when key is in. If no battery is loose. Removing the negative terminal is the way my mechanic told me to do it and has never failed. Check the terminal make sure it is clean and tight, if it is the slightest bit loose or dirty it will not make a good contact and won't turn over. Check your positive terminal also while you have the other apart clean and tighten.
Should start if everything is connected right . It will at least turn over.
If you do get it started the computer won't totally reset right away I was told to get it reset drive on the interstate 30 miles above the speed of 55 and it should be good for testing.
Should start if everything is connected right . It will at least turn over.
If you do get it started the computer won't totally reset right away I was told to get it reset drive on the interstate 30 miles above the speed of 55 and it should be good for testing.
New User
Joined: Oct 2016
Posts: 4
Likes: 0
I get all of the normal bells, lights, fuel pump, etc. when turning the key to the 'On' position. When I turn to start, I hear a noise near the passenger side floor board. I'm wondering if it's something with the starter. Thoughts?
