Help broken trophy

[trophy427]

Well after a little holiday in 427 it hdecided to start to play up.



When stopping the engine revs would lift up on there own to around 2000 rpm.

When idle speed was Lower it was raising between 1000rpm and 1100rpm.



Other than this the trophy drives perfectly. It's only a problem when idling.



Has anyone come across this before?













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[da rok]

idle problems can be caused by vacuum leaks, bad ICV ,throttle body problems, Map sensor, bad connections onto the TB, my first bet would be to see if there are any vacuum leaks,

 

[Crybert]

Have you recently changed the leads ie taken the top inlet off? If it's not set correctly this causes idle issues. Check the throttle body, might be sticking

 

[trophy427]

I have not touched anything . I have checked for leaks but can't seem to find any I have removed the throttle body and clean up and it's still the same.


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[Crybert]

The air sensor? It's located on the left of the inlet. It just plugs in there. Could be that?