Those who run LPG converted 2.2's

[hunker7]

I've done some driving and she runs beautifully, but I noticed check engine light comes on at certain speeds?

[diesel des]

I've done some driving and she runs beautifully, but I noticed check engine light comes on at certain speeds?

The gas times must still be not be close enough to the petrol times. At some points.

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[hunker7]

I guess only way to adjust is with laptop connected and being on the move?

[diesel des]

That's the way to do it best

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[hunker7]

That's the way to do it best

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So I check petrol ms and petrol ms on gas and adjust? I will get my dad to drive it then as that is the only way I can be in charge of the laptop But apart from little things like that it runs perfectly.

I've also ordered a KME PW2 level sensor so I can get level indicator working finally.

[diesel des]

Yes monitor Motronic times on petrol and quickly switch to gas and it should be the same. Get you dad to hold a very steady throttle. And repeat at different loads. Only at high loads when Motronic is open loop should the Lpg be leaner.

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[hunker7]

The window at which CEL comes on is small, I touch throttle slightly or drop speed slightly it goes off.

[diesel des]

That is the area you need to concentrate in. The error is for mixture adaption right?

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[hunker7]

Well just go and drive, and adjust whrn it comes on. I assume so. Because it goes away all the time. I always get it at 75mph in 6th gear for instance.

[hunker7]

Had to drive on petrol and noticed it was running rich AFR 12 on idle. I assume it can't be caused by lpg ?

[diesel des]

No it's a Motronic issue. Maf?

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[hunker7]

New reconditioned unit fitted not so long ago.

[prj]

Had to drive on petrol and noticed it was running rich AFR 12 on idle. I assume it can't be caused by lpg ?

It can if you let the fuel trims go haywire on lpg.

[diesel des]

Is there a way of seeing the Motronic fuel trims Dmitry? Could help to set up the Lpg system.

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[hunker7]

Finally got USB to serial adapter, is there any specific settings I should use for wide band?