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What version of Beta you using? I just updated mine. Any other tricks I should try? Thx

Ok I wish I would of searched here before I tried to tune my jeep. Just updated to the MPVI2 and first time using it I now have a no start on my 2000 Jtec+ PCM.
Using Beta so can't go back to any...

Help Me also. Tried the unhook Batt but still no GO, YIKES!!!!! Using Beta so stuck with it as only tune I have.

Argh , I guess I will upgrade. Weird that I could read my ECU before so I thought the hardware was good to go. Sending in my old interface tomorrow.
THX. Will miss the stand alone logging though.

I am getting the same unsupported interface and I have a MPVI-Pro. Used to read and write but quit after using beta. Now won't work with 4.6.3 either.
2000 jeep jk with a jtec-+. Argh!!!!

So did you write entire or just tune?
THanks

I have heard that if you unplug the skim mod before you write it will work. Just leave the skim unplugged. So do you even have a have a skim module? Let us know if that works.
Good luck.

This seems logical. Anybody else have success doing this?
Thanks

HI
Just bought my second Mustang in 40 years. First was a 65 notch. Wow thing sure have changed. LOL I have tuned a half a dozen LS1 engines but first newer ford. Installing the Ford Hot rod...

HI
Did you ever figure this out? I have a LS swap and am running a fuelab pump with no check valve. I don't see a clear tab to increase the run time when the key is on.
Would like to have it keep...

Sweet! Yep it cranks and fires then dies. Security light comes on solid.
Thanks

Buds 2001 Silverado is having Vats problems. Suspect wiring or key cyl. Tried the old resistor trick but can't get a steady Ohm reading to
find out the value. So I was looking at the tune file and...

Thanks to cobaltss for the links. Great info.

Take a look and compare. Flow rate of injectors on my tune are 0 lb's in the "flow rate ". I know they are 130.9 lb injectors. Also the short pulse limit is 7 where injector data for the 130's are 1....

Never been tuned. How does it run good with those #'s in the injector data? Zero for flow and look at the min pulse. I guess I can try to change it to more normal data but as other 2011's are the...

Hi
Bought this Regal brand new. Finally out of warranty and looking at tune. Look at the weird Fuel injector #'s. Flow rate is 0. I was going to put in a stock GS tune but saw major difference's in...

Update. Installed new Cobalt MAP. Yep. Problem gone. Go figure. He had a cheap 2bar map off of E-bay. I wont mention the seller but they sell
injectors also. Lesson learned. Bad MAP pulled down 5V...

Ok. Finally made it to the car, It is throwing a code p1635. 5 volt. We are also using the egr 5 v for the FP sensor. So thinking
either the map is going to ground at around 145-147 kpa and pulling...

I guess He has to crank it a while before it restarts then all is fine again. Looks like it happens around 147-155 KPA.
Just noticed on the tune PO106 DTC is disabled. Should I enable it to see if...

No codes thrown. I will ask him to check Map. Weird it ran good for so long. Even went back a few tunes to see if some software glitch but same problem. He lives 60 miles from me so I have not seen...

Using 200 and 10.33 offset

Weird isn't it! Could the map sensor be causing all of this? This thing ran pretty good for a month. Car runs fine until it goes into boost.
Fuel pressure has me worried also. Why would it drop so...

Hello. Buddies car has been running for about a month. LS1 with turbo . We have been getting closer with tune
thinking we are close enough to bring to a dyno. All of a sudden, this problem showed...

Hello
Would like to update my Ecm Os to the newer 12604792 version.
How would I do this and any problems with the Segments and Slave?
The reason for the update is more flex fuel tables. Do I...

I also would like more Flex tables in my E 40. Some are missing compared to other e 40's
OS ID : 12603159
THanks