I have a Bluetooth ODB2 port reader that works really well in my Honda Civic. However when I put it in the Jeep I am getting a wide variety of readings for MPG in both of the above programs.

Has anyone setup either of these programs with their Jeep?

What do you set as the displacement or engine size? What about Volumetric Efficiency? Does the jeep have a MAP sensor? Is there any other settings that should be adjusted to get better readings on the Jeep?

Mine is a 1996 Jeep Cherokee Sport 4.0 I6 with auto transmission.

 

Sure its not Odb 1 96 is when things starting changing alot .

 

Its ODB2. It shows engine coolant temperature fine. It is the first year with one.

 

1996 is OBD-II.

You'll need to tell Torque your vehicle specs - I know kerp weight is in there, I don't recall what else.

For engine displacement: the six-cylinder engine is 242ci or 4.0 litres, the four-cylinder engine is 150ci or 2.49 litres.

VE of the 6-2424 typically runs 80-85%, but I don't recall torque asking for that. It does have a MAP sensor (it uses "speed-density" to measure airflow into the engine, not "mass airflow."

I haven't played with Torque on Jeeps (mine's RENIX,) but I use it with my wife's 2005 Suzuki Verona consistently, and I just love having access to all that information! I probably need to find a better ELM327, but Torque Pro was well worth the five bucks I paid for it...

 

VE is in the Efficiency app. Default for VE is 0.75. You are saying I should move it to 0.85 maybe? I don't think curb weight is taken into account in Torque but I did set it to 3100. I still get wild readings that do not look right at all. 26 MPG is crazy good for a Cherokee... Not as good as the 130 MPG it was telling me at first.

Edit: To compare to my Honda, it is very stable with its readings. I know when I have lead foot syndrome.