7th cps in a row
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7th cps in a row
I just bought my 7th cps sensor in a row. Got the grey one from ford this time. Still didn't fix it.
Maybe it's not a cps?
My pickup shuts off for a split second while driving like a bad cps. It does this like 3-4 times in a mile. But if you set the cruse control it doesn't do it.
Maybe it's not a cps?
My pickup shuts off for a split second while driving like a bad cps. It does this like 3-4 times in a mile. But if you set the cruse control it doesn't do it.
Post Fiend
Joined: Dec 2009
Posts: 15,505
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From: Livoina,La
I fought this problem for months.
If it doesn't do it when using CC it's the TPS
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Ford pride if you read my original post, I stated if the switch is "closed" then the truck will idle only no mater what the throttle position, not if you click it once.
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I just lose throttle for half a second. Seams to do it more when the pickup hasn't warmed up all the way. It also never does it at 3/4 throttle or full throttle.
Lead Driver
Joined: Oct 2003
Posts: 8,476
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From: Madison, WI
The idle switch is OPEN at idle, and CLOSES when you move the pedal. An interruption in power to the idle switch, or the switch itself opening momentarily, would simulate the driver briefly letting off the pedal and pressing it again. So it could be either one. To absolutely narrow it down, you'd have to get a live data recorder on it, and record APS voltage (or %) and IVS state, and set it to a pretty fast refresh/sample rate (faster than 1/second), and record the stream over the time that this happens.
Post Fiend
Joined: Dec 2009
Posts: 15,505
Likes: 18
From: Livoina,La
The idle switch is OPEN at idle, and CLOSES when you move the pedal. An interruption in power to the idle switch, or the switch itself opening momentarily, would simulate the driver briefly letting off the pedal and pressing it again. So it could be either one. To absolutely narrow it down, you'd have to get a live data recorder on it, and record APS voltage (or %) and IVS state, and set it to a pretty fast refresh/sample rate (faster than 1/second), and record the stream over the time that this happens.
Lead Driver
Joined: Oct 2003
Posts: 8,476
Likes: 37
From: Madison, WI
When cruise control is set, BOTH are out of the equation. When you set the cruise and take your foot off the pedal, the IVS is open the whole time. Set the cruise and play with the pedal; it won't affect the speed (unless you press the pedal to go above the set speed).
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