OBD MPGuino gauge

[eimix]

For tank average fuel - you need reset tank,
For trip average fuel - you need reset trip,
For outing average fuel - you need reset outing.

If you leave OBDuino ON - outing will be reseted after 1hour if engine is off, and trip will be reseted after 12hours.

[antonamp2010]

Ok, thanks for advice

Now, do I need to set up engine displacement? In this version of obduino in engine displ it sais 1,5L by default. Should I change something here? My engine is 1.4 litre.

[eimix]

No you do not need to change anything if it works ok!
Read comments in OBDuino32K.pde.

Engine disp. is used ONLY if MAF signal is not available, and for fuel consumption calculation MAP signal is used.

[antonamp2010]

Yes thats why I ask. My car do not have MAF.

[antonamp2010]

I found it: For vehicles with a MAP only we have to emulate the MAF. This is the size of the engine, e.g. 33dl for a 3.3 liter one.

Should I set my eng displ to 14 even my display shows L after number?

[antonamp2010]

My car use only MAP for sure. Could it be the reason for wrong average fuel cons calculation?

Which program version is tested with MAP with success?

[antonamp2010]

Anybody has experience with MAP?

[TurboTorben]

I use release 193 with MAP, and it works perfect.

/TT

[dar]

1. I have question about "Load". With ver. 193 it' shows only 0 or 100%. Maybe it is necessary to modify code. (my car - passat B5, 1999. ISO_9141). Now I'm trying release 195.?
2. From beginner of use OBDUINO I think the Buzzer can be very useful for fuel economy. And I'm very glad, then found it in release 195. Can you give more information about it;
P.S. Compilation of release 197 gives many errors.

[eimix]

1. In my car Load works normaly (full range 0%-80% (100% did not reached)

2. Info about buzzer is in comments (search for "#define UseBuzzer") - circuit and description.

I uploaded new version (198) with fully disabled buzzer (arduino is messing up with #define ... #ifdef ... #endif