Hunts when warm

Hi All, when my 2.2 Astra gets up to running temp, about 85 on the gauge, the revs start to hunt when the clutch is in. It drops below 500rpm and struggles not to stall.

Thoughts anyone?
 
More to go with this now. It’s in LIMP. It has an EML on. I’ll check the codes later. It never goes above 84/85 degrees. Once warmed up it wants to stall at junctions. Once the EML came on the brake pedal became very hard but with little stopping power
 
Thanks for that Berto. Would that be relevant to everything I’m experiencing or do you believe that there is more than one problem here and that’s just relates to the stiff pedal?
 

corsaZ22se

Senior Member
you could have a vacuum leak on brake servo line?
could also be other faults like dirty throttle body or sticking egr?
 
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