glow plug theory
Posting Guru
Joined: Oct 2011
Posts: 1,647
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From: Exton, PA
sorry - that was Glenn/Oldbird with the chip comment. I have no chip on my truck, so wouldn't be able to tell you what it looks like.
Posting Guru
Joined: Aug 2004
Posts: 2,417
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From: Braham MN
A "chip" plugs into the back of the PCM, you would have to locate the PCM first and verify that there is either a chip in it or the black cover is still in place on the back. I highly doubt a van has a chip.
A "tuner" plugs into the OBDII port and rewrites the PCM, then is removed. the only way to know if it has one is if the PO told you about it.
Diesel Rod
A "tuner" plugs into the OBDII port and rewrites the PCM, then is removed. the only way to know if it has one is if the PO told you about it.
Diesel Rod
Logistics Pro
Joined: Oct 2008
Posts: 4,818
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From: Avilla, IN
A "chip" plugs into the back of the PCM, you would have to locate the PCM first and verify that there is either a chip in it or the black cover is still in place on the back. I highly doubt a van has a chip.
A "tuner" plugs into the OBDII port and rewrites the PCM, then is removed. the only way to know if it has one is if the PO told you about it.
Diesel Rod
A "tuner" plugs into the OBDII port and rewrites the PCM, then is removed. the only way to know if it has one is if the PO told you about it.
Diesel Rod
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Freshman User
Joined: Feb 2013
Posts: 46
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From: Haines, AK
No thanks, Ford.
The van came with a little digital readout connected under the dash. It was mounted in the cup holder on in the middle of the dash. It had a ford emblem on it and showed RPM. I heard somewhere that it was a programmed idle control for long-term idling. It had been a fleet vehicle up north on the oil fields. I disconnected it because I wanted to use the cupholder for holding cups.
I've always wondered if that controller altered the PCM.
The PO bought it from the fleet dealer and did nothing with this PCM, though he has a tuner on his own F250.
I'll find and check the PCM for a physical chip.
The van came with a little digital readout connected under the dash. It was mounted in the cup holder on in the middle of the dash. It had a ford emblem on it and showed RPM. I heard somewhere that it was a programmed idle control for long-term idling. It had been a fleet vehicle up north on the oil fields. I disconnected it because I wanted to use the cupholder for holding cups.
I've always wondered if that controller altered the PCM.
The PO bought it from the fleet dealer and did nothing with this PCM, though he has a tuner on his own F250.
I'll find and check the PCM for a physical chip.
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