At our shop we use this three step process cleaner

Step 1 = Put fuel cleaner/additive into fuel tank, to clean and condition injectors

Step 2 = Put oil additive into crankcase, to clean sticky rings and any other area the oil will flow

Step 3 = It's also a cleaning additive but it's introduced into the motor thru any vacuum port. Using a specially designed container it will slowing drip the additive into the vacuum port, but before it enters the vacuum port the fluid is airriated (<<--if spelled correctly) so not to enter the engine as a solid liquid.

As anyone ever saw this process before, because the one I'm use to is in the pressurized can. This 3 step process must work because after I used the cleaner for the first time the cars engine (Chrys 300M) started to knock/ping, probably from the carbon deposits being removed from the valves and combustion chamber which
slightly increased d the comp ratio. I took the car for a test drive and step on it a few times and after the drive the knocking/pinging went away. One of these day I'll probably try this 3 step process on the VE to see if it really makes a difference afterwards.

I also had a chance to install a hand held scanner (Snap on) to the ECU and checked out a few things. So not to bore you any further I'll discuss my findings at a later date. One question, what's the thermostat setting for our engines? <<--This is related to something I saw