No current fault codes but, car won't idle

[MarkR1717]

Hi
I've had a new camshaft position sensor and plugs. The car started but idled very low, about 500rpm. Mechanic hadn't tightened up air hose at throttle body end. Now tightened. Next time I tried car didn't idle at all and runs rough.
Looks like the cover for the throttle body sensor has come away from body of plug, but plug is still in place.
Did a scan with OBD and oxygen sensor short term fuel trim looks odd.
Please see screenshot here
https://drive.google.com/file/d/19gr...w?usp=drivesdk

Any ideas as to what the cause is would be most welcome.
Thanks
Mark
X5 4.4 E53 M62

[jclausen]

If the car ran fine before the work then something happened during the work, if that's the case the tech needs to go back over it

[MarkR1717]

Thanks for your reply. The car wasn't running before (I think it was not fuelling because one of the sensors or pumps in the fuel tank was giving a misreading of the fuel level), and two different mechanics did the cam sensor and the plugs. But the engine wouldn't start.
Then I put some more fuel in and the engine starts but doesn't idle at all.
There was oil in one of the plug sockets possibly from the valve cover gasket.
Also what do you thing about the Oxygen sensor 1 short term fuel trim bank 1 and 2 -25%
Sensor 2 bank 1 and 2 n/a ?

[jclausen]

Unfortunately I know little about fuel trims, every time my tech wants to show me fuel trims he has to explain them to me

[mandd]

Thanks for your reply. The car wasn't running before (I think it was not fuelling because one of the sensors or pumps in the fuel tank was giving a misreading of the fuel level), and two different mechanics did the cam sensor and the plugs. But the engine wouldn't start.
Then I put some more fuel in and the engine starts but doesn't idle at all.
There was oil in one of the plug sockets possibly from the valve cover gasket.
Also what do you thing about the Oxygen sensor 1 short term fuel trim bank 1 and 2 -25%
Sensor 2 bank 1 and 2 n/a ?

Fuel trims are not important at this time because the vehicle will not idle. Fuel trims are great if there is a driveability fault/issue.

What faults are currently present in the DME?

What is the fuel pressure?

Mark