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So you're saying that someone edited the VIN/serial to intentionally make it look just like one that's got a problem?

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This one appears to be stock...

https://www.ebay.com/itm/305562769842

The sucky thing about these Galaxies is they're rear steer, oil pan clearance is a whole bunch of not fun.

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Are you now, or have you ever been, a Fiero owner?

Oh. Well never mind then.

There isn't just one, that engine RPO was used in several different platforms and a MAF table has more to do with the intake plumbing than the sensor itself or even the engine.

https://forum.hptuners.com/showthread.php?95427-Fuel-pressure-sensor-doubts&p=673286&viewfull=1#post673286

https://injectordynamics.com/articles/fuel-pressure-explained/

Use the file with the correct injector data. Open Alvin's file using 'Compare'. Do 'Copy Selected Differences' for anything he changed that ISN'T under 'Injector Control'.

Or do the opposite, open...

That injector number is what came stock in a 2001 LM7, is it not? It's an old number that GM no longer lists but The Intarwebs still remembers it, says it's the same 25lb'er that all those trucks...

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If your fuel rails/regulator came from a 2002 truck, and those rails have a feed line from tank to rail and a return line from rail to tank, and there is a little vacuum hose going to the top of the...

If the PCM cane from the same truck as the intake and fuel rail and regulator and injectors, why would you need to be messing with injector data at all?

The reference to use for OE GM Gen 3...

Returnless/non-referenced fuel system in a 2002? What's the fuel pressure?

Yes but whatever data was provided you could just as easily got to by making adjustments based on how it behaved. i.e., it's just tuning, it's not hard specs that shouldn't be fiddled with like the...

Transient stuff is tuning stuff IMO, others disagree. But I've never seen an injector datasheet that includes anything about transients same as I've never seen one that includes a VE table. Just...

Because it's 2 credits for a PCM you've never written to before and 2 credits for the file you found someplace that came out of somebody else's PCM (yours is corrupt and can't be written to the new...

No because it doesn't work that way. A '.hpt' file is an ECM file and a TCM file combined into one thing. Changes you make to the Transmission side of things get applied to the TCM. You're writing...

No, the '05-06 Trailblazers both 5.3 & 6.0 were 24x/1x, they just have the Gen 4 block/knock sensors/conrods/intake manifold/etc., 2006 car LS2s were 58x/4x. GM never mixed 24x/4x or 58x/1x though...

24254909 is 2010 CTS-V, correct?

I am preeeety sure that even though that ECM and that TCM will both talk to the data link connector and both can be read/written, they are not actually talking to each other. The GMPP/CPP ECMs are...

As a test, do whatever you have to do to disable the bypass valve so it stays in the 'open' position. I know on the LSA's just removing/capping the vacuum hose defaults the valve to open all the...

12200411 is the Service Number, which describes the hardware inside. 12212156 is the operating system (the software that runs on the hardware). Any PCM with the service number of 12200411 can be...

'78 F100 relisted at $2800, OBO: https://www.ebay.com/itm/235565189965

https://www.ebay.com/sch/i.html?_nkw=12200411+programmed+vin

Much cheaper than all the stuff you'd need to buy to flash this one PCM this one time that may not even work, probably also cheaper...