What is the backpressure reading in psi while holding WOT for 5+ seconds? What are the map and baro readings in kPa with engine off and key on? What is you elevation? What are the sync counts on...
Type: Posts; User: putts000
What is the backpressure reading in psi while holding WOT for 5+ seconds? What are the map and baro readings in kPa with engine off and key on? What is you elevation? What are the sync counts on...
The log file looks like the exhaust is restricted. At WOT manifold pressure should be equal to baro, jtec updates baro based on throttle angle and rpm, calculated for no throttle restrictions. ...
Viper1313.
Go back to post #35 and download the two files. Connect the scanner to your car, ignition on, connect to the car, load both the layout and channel config files, hit the red record...
Check the throttle blade stop is not warn to far letting the blades close to far and "wedging" in the bores then snapping open when giving it throttle. If your looking to remove power/responsiveness...
That issue doesn't sound like it's related to "tuning". Sounds more like the cat/exhaust is plugged up. Try pulling the upstream O2 sensors out and see if it changes.
TPS doesn't matter for a load calculation. It uses displacement x rpm to calculate 100% theoretical airflow and the intake pressure to determine how much of the cylinder is actually being filled. ...
Displacement, RPM, intake pressure.
Here is the read from the stock 5.9L Mopar Performance PCM. I think they suggested 93 octane. Use it as another JTEC to compare to.
Some tips on the timing. The WOT modifier I always zero out and add that into the base table. The "Warm Spark" table is what it runs on warm restarts only, based on the settings below the table. I...
I attached the JTEC manual from Chrysler. It explains all hardware and logic. It's a good read for anyone tuning anything. Cars today have added some complexity/features but they all still operate...
If you go under Help then parameter access under the VCM editor it will take you to a test then let you disable certain emissions related parameters. If you live in an emissions testing state you...
Tone down the ranting. HP tuners is by far the least expensive, broadest vehicle support, and most capable tuner I think there is and I am very happy to have it at this price point. A dyno, wide...
141294
I think they mean the detection strategy. Meaning if the code sets as soon as it is detected or 2 trip fault, X amount of code cycles, X amount of complete run cycles, certain temperature,...
I just messed with an 01 Durango R/T that was "upgraded" to 4 hole ebay injectors yesterday. Read, tuned with a wide band, wrote about a dozen times. No issues. All data logging worked fine. This...
As far as I know HP Tuners gives you access to every modifiable table the JTEC has to offer. When you "Tune" a PCM all your doing is modifying the same tables that Chrysler/Ford/GM... change between...
My jtec vehicles are
98 Durango 5.2L/44re
69 Charger 5.2L/46re from a 98 Ram
I've tuned and continue to tune a few dozen other jtecs for local people. Just drivers, NA cars, boosted, nitrous. ...
I can confirm my MPVI2 works fine using a USB cable. Bluetooth is so dodgy I don't even bother.
When you say serial number do you mean the VIN number? I've ran into a few jtec/+ that wouldn't...
What vehicle, powertrain? Mods? Fuel? Purpose?
Just a quick look, your warm idle is showing 45kPa. Most stock cam cars warm idle is 30-35kPa. You need to move all your fuel and timing...
This is the last official word I heard over the summer. ...
Mine looks identical. 140033
Cars weren't really standardized "OBD" as we know today until 2006+ or so when the CAN BUS took over.
If your plugged into the car, ignition on, hit the blue car icon...
The 48RE works the same as all other RE transmissions just with the highest torque capabilities. The only logic in the JTEC/+ for the RE transmissions is governor pressure = 1 PSI per MPH. When in...
What if you plug in the tuner with a usb to your computer. Load the scanner program. Load the layout and channel configs I attached. Then connect to your truck and see if any values show up. ...
All of them require the computer to be connected to the internet to write a tune to the vehicle. It syncs up with HP tuners server to "authenticate" the mpvi, car vin, tune vin, and credits match...
The 42RE/44RE/46RE/47RE transmissions are hydraulically/mechanically controlled for shift firmness and rpm. The PCM only controls the governor pressure(vehicle speed), 4th gear, and converter...
Jtec/+ tire size calibration is set in the ABS module. You need a higher end scanner to set. HP tuner only talks to the PCM on Jtec cars. I have a snapon solus edge that does it.