My first post. Always a first and always a last my dad stated as he checked out.
A few months ago I had a hi idle in the Ba. I replaced the air filter then immediately had a low idle. It's still low and getting worst sometimes 500rpm and ruff. Can anyone advise, runs great otherwise.

Hi mate,

I have the same issue, BA strait gas, just had it pulled apart to remove the rough idle caused by oil getting into the plugs, all seals replaced. I still get the 'drops idle' on start up or sometimes I put it into P or N and it stalls. From research I believe this is either the potion sensor playing up or crud/carbon build up in the throttle body throwing out the low end point the computer learns. I am going to pull it out tonight and give it a clean, if that works I will let ya know.

Regards,
Steve

Great... mines improved since I replace the pcv valve. But I noticed it drops low when the air con is off. Thanks