Hi there. The Idle Air Control valve (IAC) may have failed when you cleaned the valve with your cleaner solution. I recommend replacing the IAC with a new one. If you need further assistance with your engine idle surging (https://www.yourmechanic.com/services/idle-control-valve-replacement),...
Have the residual pressure valve for the locking brake checked for problems. Residual pressure valves maintain a very slight hydraulic pressure for each brake in order to make the brakes more responsive when you press the brake pedal. If it...
Has your clutch been replaced recently? If not, your clutch assembly may be worn out. Check your fluid levels under the hood. At the very least, each reservoir should have fluid in it and you may notice a min/max level...
It sounds like you still have a blown head gasket or minute crack in the cylinder head or block, both of which can cause overheating. You mention that you "repaired the head," but don't identify what was done. I would...
