2006 MK7 struggling going uphill

[Rollingbob]

With Forscan can you:

1. change the difference between the desired Fuel Rail Pressure and the Actual Fuel Rail Pressure so it is below 10 Bar
2. change the difference between the desire Engine Speed and the Actual Engine Idle Speed so that it is less than 75 RPM

?

[knobby1]

With Forscan can you:

1. change the difference between the desired Fuel Rail Pressure and the Actual Fuel Rail Pressure so it is below 10 Bar
2. change the difference between the desire Engine Speed and the Actual Engine Idle Speed so that it is less than 75 RPM?

No.

Only "successfully completed" learns will get the desired and actual close to what they should be +/- 10%

Lord Knobrot

[Rollingbob]

Ok thank you Knobby

I changed the pedal for a 2007 apparent good one but no difference. In fact the P2125 throttle pedal error code came back after disappearing on the original one (after clearing and resetting).

[knobby1]

Ok thank you Knobby

I changed the pedal for a 2007 apparent good one but no difference. In fact the P2125 throttle pedal error code came back after disappearing on the original one (after clearing and resetting).

If the two pedals make no difference, you may have a wiring/connector fault.

Lord Knobrot

[Rollingbob]

Well as i say that error code is not there now i've put the original pedal back,

Maybe i should change the SCV and PRV?

[Rollingbob]

Ran a bit of live data on it, cylinder 3 way out? desired idle speed of rpm sitting right at 800 rpm?, engine oil "error" - too low?...

[knobby1]

Ran a bit of live data on it, cylinder 3 way out? desired idle speed of rpm sitting right at 800 rpm?, engine oil "error" - too low?...

Yep. your #3 injector doesn't look well.

Some have an oil level indicator/sensor....maybe you don't have the sensor fitted when it may have been there in a previous life.

Lord Knobrot

[Rollingbob]

#3 fair bit higher than others,

[Rollingbob]

-

[knobby1]

#3 fair bit higher than others,

Limit is 25-40ml each @idle for 4 minutes. #3 certainly doesn't look well.

Lord Knobrot

[Rollingbob]

Looks like bit of old copper washer is stuck on end of #3,

[Rollingbob]

Can you do the pilot learn with the air box off/disconnected?

[Rollingbob]

Just tried a 2nd hand injector, exactly the same just from a 2011 with 95k on. Leak off test and cylinder balance were much better, in line with the others, but still not doing the learns amd running much worse - barely moving in Limp mode lol.

Maybe i've put one wrong letter in on the coding D instead of 0 (though it coded successfully) - would that make a difference?

[knobby1]

Just tried a 2nd hand injector, exactly the same just from a 2011 with 95k on. Leak off test and cylinder balance were much better, in line with the others, but still not doing the learns amd running much worse - barely moving in Limp mode lol.

Maybe i've put one wrong letter in on the coding D instead of 0 (though it coded successfully) - would that make a difference?

Code must be correct. Was the replacement injector the same part number as the original..?? What engine was it from..?? There's several different part number injectors depending on which PS engine it's from.

Have you replaced the SCV and PRV yet..??

Lord Knobrot

[Rollingbob]

Yep same part and engine : 06-12 FORD TRANSIT MK7 85bhp 2.2 DIESEL FUEL INJECTOR 6C1Q-9K546-AC

I will try SCV and PRV next (£90 Denso ones just ordered :https://www.ebay.co.uk/itm/283451412710)