NEWB Programmer Question
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Joined: Jul 2009
Posts: 51
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From: South Carolina
NEWB Programmer Question
Hi Guys.
I am interested in changing the software in my '05 5.4 3 valve.
Truck is totally stock.
I would like to reprogram things to offer a bit more power.
I would like to do this without leaving a programmer plugged
into the diagnostic port all of the time.
Is there such a way to do this?
Thanks....
I am interested in changing the software in my '05 5.4 3 valve.
Truck is totally stock.
I would like to reprogram things to offer a bit more power.
I would like to do this without leaving a programmer plugged
into the diagnostic port all of the time.
Is there such a way to do this?
Thanks....
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Joined: Dec 2006
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From: Joplin MO
Senior Member
Joined: Feb 2004
Posts: 10,390
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^^^ ALL of them.
=============================
Originally Posted by Sir Jack
Q: So, how do you program the PCM? Is it difficult?
A: No. It's so simple a child who can follow directions could do it. You merely plug the programmer's cable into the OBDII port (the port right below the steering column in front of you). There's only one way it will fit, so you can't get it wrong. At this point the programmer's screen will light up and you just need to follow the directions that were supplied with the programmer. There are several precautions however:
1. Some programmers are plugged into the OBDII port with the ignition key in the ON position. Others need to be plugged in with the ignition OFF. Follow the instructions in your Owner's Manual.
2. Don't try to do this with a weak battery! Minimize the load on your battery by making sure the A/C, radio and lights are all OFF! Battery voltage should be at least 12.5 v.
3. Don't do this if the vehicle is really cold or really hot. Basically, you don't want to do this in below zero or 110 degrees above zero temperatures.
4. DO NOT turn the ignition key to OFF, or start your truck until the programmer tells you programming is complete!
5. DO NOT unplug the programmer until it tells you that programming is complete!
Once you've loaded the program, you can remove the programmer and store it in a safe place. It is not needed for vehicle operation. Some programmers DO have "gauges" though, and they can optionally be left connected if desired.
A: No. It's so simple a child who can follow directions could do it. You merely plug the programmer's cable into the OBDII port (the port right below the steering column in front of you). There's only one way it will fit, so you can't get it wrong. At this point the programmer's screen will light up and you just need to follow the directions that were supplied with the programmer. There are several precautions however:
1. Some programmers are plugged into the OBDII port with the ignition key in the ON position. Others need to be plugged in with the ignition OFF. Follow the instructions in your Owner's Manual.
2. Don't try to do this with a weak battery! Minimize the load on your battery by making sure the A/C, radio and lights are all OFF! Battery voltage should be at least 12.5 v.
3. Don't do this if the vehicle is really cold or really hot. Basically, you don't want to do this in below zero or 110 degrees above zero temperatures.
4. DO NOT turn the ignition key to OFF, or start your truck until the programmer tells you programming is complete!
5. DO NOT unplug the programmer until it tells you that programming is complete!
Once you've loaded the program, you can remove the programmer and store it in a safe place. It is not needed for vehicle operation. Some programmers DO have "gauges" though, and they can optionally be left connected if desired.
Note that this applies for All Flash programmers. The Chips referenced elswhere in the article, for vehicle PCM's that support it, MUST remain installed. (Yer truck does not support the Chip method, as there is no physical port on yer PCM to accomodate one).
MGD
Last edited by MGDfan; Jan 17, 2011 at 09:15 AM.