How wrong is this cylinder compression test result?

[jodank]

Hi!
I done a cylinder compression test on a Citroen Picassa C4 1.6 Disesel 9HZ engine year 2007.
Here is the resul:
Kompresija.jpg
Can this make a rough engine idling?
How worse is this actually for this engine?
Could this be an explanation for a high fuel quantity correction number? which is +6.01 and +3.5...
I also done a wet cylinder compression testing and the result is no leaking on the valves.

Thanks.

[dorofteius]

You are at about 21-24 bar per cilinder. ( Ideal is 24 bar on all off them).
The engine should work good. I had one with 12 bar on one cylinder and it was working good, just had a bad cold start on winter.
You have other problem if it is idling bad.

But are you sure that all the valves are opening.
Try removing only oil head, and see if there is anything broken.
Otherwise you have problems on injectors.

[jodank]

Ok.
I didn't know what is the cylinder pressure on now days car engine.
Therefore I was asked.

Right now I figured out does the engine could have an air leak. If I close the air intake tube near the throttle body the engine runs also. The engine should die or??


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[smirnoff_rules]

heres what they should be

[jodank]

Uff! You hit the middle of the target! :-)
Thanks Thanks thanks!

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[rideon]

Right now I figured out does the engine could have an air leak. If I close the air intake tube near the throttle body the engine runs also. The engine should die or??

Engine should die ..
That "throttle body" is there to stop the engine....
So, if you plugged the throttle body and the engine kept running you got massive air leak


IIRC that engine is fitted with dual mass flywheel...talk about rough idling...