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If your idle is too high (more than 1200ish I think) you can bring it down within the threshold by unplugging injectors. Do the relearn, plug them back in and repeat as necessary.

This didn't...

I'm watching this thread as I'm interested to learn if we can cross-flash Nissan ECMs as well.

TLDR - I'm looking for tips / experience with getting the idle speed to set with engine swapped cars.

I'm running a B15 Sentra racecar with a VQ35 swap. Originally a 2007 Altima 3.5 manual...

Did you go through the idle relearn process after setting the lower idle speed? I'm fighting with this on an engine swap; the Nissan code will only automatically adjust idle up, but not down.

What sort of unmapped parameters were you adjusting? (Always nice to know what I don't know!) Adjusting the rail pressure in cranking & cold start to bring the duration closer inline with the 5.9...

Looking good! Any new learnings to share? I have mine starting a running pretty well. Chasing some little bits on the luke warm restart (20-40 C coolant temps).

Seems like the startup DC was a good hunch; I set everything above 0 RPM to 0% and pressure flare over desired on initial startup is nearly gone. That said; it is a bit warmer out (barely below...

Thanks Jim. To be more clear; it's my actuals that are spiking at startup and (less so) when the grid heater is cycling.
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For the grid heater I was planning to try the Regulator DC Battery...

Update for those following along at home: Adding more pilot quantity and advance helped out quite a bit and let me dial back some of the main advance it needed when it was cold. I also lowered the...

It was still useful though; tells me that the duty cycle and PID settings aren't solely ties to the PCMs algorithms, so they'd likely need some fiddling to work with my hardware.

Curious; I typically am logging the duty cycle, but it's not on that one. Must've been an older channel & layout file.

Yes aside from a couple sensors I'm running a complete 6.7; injectors, pump,...

Yeah that's a timely comment; I was planning to experiment in that area next. It's currently cold enough here (yay?) that the truck doesn't fire immediately, so my cranking fuel pressure is climbing...

I made some progress on this thanks to the lovely cold snap we've received. I took some inspiration from how the 2003 runs when it's cold and increased my pilot volumes and pilot advance at cold...

Hi Folks,

I've been working away on my 6.7 swap into a 2006 Ram and could use some advise around cold starts. The truck is running a complete 2008 6.7, hold for the MAP sensor, off the original...

I'm running a 6.7 in a 2006 with the 5.9 ECM and didn't have any issues with cam or crank triggers. My donor engine was an earlier 6.7 than the OP though.

Here's a stock file from a 2008 Altima 3.5 Manual. OS JB11C

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Stock 2008 Passat 2.0T Manual
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The 03 doesn't have any electronic control over the turbo; mechanical wastegate only.