Those who run LPG converted 2.2's

[diesel des]

How many liters is that? It can be a little inconsistent sometimes as the tank shutoff valve can shut down early depending on how level the car is while filling.

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[hunker7]

Managed just under 200 miles on full tank, so I am not a happy bunny. I will have my girlfriend record petrol/gas ms @ 60, 70, 80 mph in 4th, 5th and 6th gear, and then we can try and get it sorted.

[hunker7]

OK, I will try and get ms for petrol and gas @ 60,70,80mph

[diesel des]

You have the idle set correctly now by the sounds of thinks but I still think your not range settings are off slightly. You need to get a friend to sit and watch the timings while crusing at steady speeds on petrol and compare with gas times.

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[hunker7]

Well, never mind, check engine is still on. Is it possible that it doesn't run properly because it's just not properly set up?

[hunker7]

Also found couple of leaks I've missed, and soap water didn't pick up but all sorted now.

[hunker7]

Moved the point and petrol ms stays the same pretty much on both petrol and gas. No check engine light either.

[hunker7]

Do not make any decisions off of that. EVER. It means nothing, especially when closed loop control is turned on in the ECU.

OK thanks. Just trying to get it as good as I can for now, till I get wideband

[prj]

Now I know why I need a wideband, one I have now is a right pain in the back side. Goes from lean to rich, never stops.

Do not make any decisions off of that. EVER. It means nothing, especially when closed loop control is turned on in the ECU.

[hunker7]

Bring the point that says 3.9 down to the left so it's at 2 on the x axis. And about 2.5 on the y. Try that

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Will do tomorrow, thanks

[diesel des]

Bring the point that says 3.9 down to the left so it's at 2 on the x axis. And about 2.5 on the y. Try that

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[hunker7]

Now I know why I need a wideband, one I have now is a right pain in the back side. Goes from lean to rich, never stops. This is where I am now, if 2nd and 3rd point is moved up, it's too rich, down, it goes lean.

Petrol ms 2.9 on petrol
Petrol ms 2.1 on gas

[hunker7]

OK thanks. I'll have a quick look at what I have at the moment.

[diesel des]

You need to adjust the point on the graph nearest 2 or 3 mg. You can also move the points left and right to shape the graph. I would put a point right arround 3 ms so it adjusts idle

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[hunker7]

Thinking of having another go at calibration. Currently petrol ms goes down (3.1 to 2.1) when switching to gas, so I should decrease ms on petrol injectors (2nd and 3rd point on modelling graph)?