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If the main DOD switch is set to disable it will not run the test for the DTCs. I'm not saying it is good practice to leave them enabled but I have tested it on multiple MYs and OSs and if you just...

What inconsistencies are you seeing with known tested alcohol content?

No it won't.

And he runs the risk of getting the same thing he has now. Looks like a reman. Better off getting one out of a vehicle.

That is way too much for a 0411 PMC. And be aware no matter what you do it is going to cost 4 credits to program it. Then you are spending $275.

What is the 1200411 PCM out of the 2002 4.3L V6 4L60E Silverado going to cost you?

The PCM was probably a reman. They all seem to have those VINs and serial numbers. Also if you put your location in your profile there could possibly be someone local to you that could help with a...

We have E0 at just about every gas station in Okla. Many have E0 in 87,89,and 91. They will also have E10 usually only in 87. The Caseys stations have E15 they call Super 88.

Just use the stoich table from a FF truck. 14.1 is about the stoich for E10. And as the elevation goes up the less octane is required NA. Probably why only 91 is available in AZ.

Is the 93 E10 or 100% gas?

On a swap like that you need to state more details. You could of swapped anything from just a long block only to complete from top to bottom including intake manifold, injectors, throttle body etc....

If you just sat there without breaking the beams then you would not have run 2 seconds quicker. Just saying. Timing doesn't start until you break the beams. Reaction time only effects who gets to the...

So you don’t know anything about tuning yet you are turning for a customer. SMH.

Need more details to know if with the OS you are using if it is even possible.

Are you using an actual FF operation system?

Write entire creates an exact clone of the old PCM you get the calibration out of. including the VIN. You will probably have to do the 30 minute VATS relearn when you install the new PCM in the van.

You are going to have to license the new PCM. With HPT you always have to have a license for the file you are wanting to flash and the file that is in the PCM being flashed. Then you can just write...

What are the main operating systems numbers of each PCM? Not the PCM service numbers?

Sorry I got your thread mixed up with another I was reading that was using a Chinese TB. No IAC on a 03 ETC

The rest of your problems is just tuning for the cam. Although the IAC passageways on the Chinese throttle bodies can cause some of those issues too.

And if you put a parts store brand MAF junk on it I would put the original Delphi MAF back on it.

P0101 is a predicted airflow diagnostic. You changed the airflow with a larger displacement engine, a cam and a different intake manifold. So the amount of airflow through the MAF is not what is...

If it still runs fine with the code set then set the code to NER. I had to do that on a 08 Escalade a few years ago and never heard back from the customer.

And you are saying then that that file is writeable or just viewable.