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Lets talk about the L5P for a second. Recently I have been shown the CEL and the Idash calls out a code for the MAP sensor along with a reduced...

Normally, I would say no, not necessarily high/low because of indicated high/low cylinders. In my experience, it is not, as long as the PWM's track...

Have pics?

The current programming is factory. I messed up years ago with the Predator, and had to have the dealership reflash the ECM. Since then I've not...

Mine has always done that. Before and after injector replacements (mine's had 2, as well as a separate return line replacement after filling the...

Both images here are with the transmission in "D" at idle, engine at operating temp. As an addition... The engine has always had a bit of a...

Wow. What a novel idea. Thanks so much.. Gonna try it today. Thanks again

If the brass cup is all that's left in there, rotating it won't hurt anything. It doesn't contact or surround the reluctor wheel, it's merely...

All that is left in the port is the brass housing.i tried to pry it out with a pick and a small screwdriver but it didn't budge. I was going to try...

What part of it separated from what part? Is it just the plastic that separated from the brass, or did the brass break below the port (like at the...

Your numbers look pretty good by comparison... I've been checking the engine oil level pretty regularly, thinking that a leaking injector might cause...

This is what mine looked like this morning, ECT at operating temp after a short drive: PWM Balancing PWM, in D

Those numbers are way off the norm. I'm really surprised you aren't seeing the SES lamp. The P0307 is, apparently, transient, and remaining in...

The above was the pulse width data at idle in Park. The above fuel trim data record and the pulse width data were recorded just minutes ago...

It's an assumption on my part that the ordered list of fuel rates shown on the Predator programmer begins with #1 cyl at the top and with cyl #8 at...

Another thing that occurred to me is, that injector may not be atomizing the fuel (streaming). It would require additional fuel for an equal...

The "Balancing Rates" are the correction values, and not necessarily an indicator of a condition. A cold start, usually less smooth compared to...

Good to hear that things are going reasonably well. VOCABULARY ENRICHMENT .....That usually helps....Even if it is only to vent stress....;)

I'd bet most Duramax owners (who have looked at fuel rates) have seen injector balance rates that were better than the above image. Ideally, we'd...

We've been involved with quite a few GM Square Body (1973-1987) pickup truck projects that received a Duramax swap. Here's a recent contact with John...

Thanks Dick! Seems a bit odd to post about the steps now that the Blazer is coming apart in the garage. The frame straightening guy asked me to...