Here's what I found on the WEB. Assume these are the instructions you're
Mopar Combustion Chamber Cleaner/Conditioner is really good for removing
carbon deposits...The following directions outline the way that
professional mechanics have been using the cleaner for years -- they were
finally published in TSB 18-31-97 for 1996-98 Jeep 4.0 Liter misfire
1)Operate the vehicle until the vehicle reaches operating temperature.
2)Remove the air tube from the throttle body.
3)With the engine at an idle, spray the entire contents of Mopar
Combustion Cleaner, p/n 04318001, directly into the throttle body. Allow
the vehicle to load up with the cleaner to the point of almost stalling
4)Shut the engine OFF after the entire can is ingested.
5)With the hood closed and the vehicle parked inside the garage, allow the
vehicle to soak for two to three hours. This will ensure that the engine
will maintain its temperature and will allow proper solvent penetration.
6)Drive the vehicle on a highway/freeway that will allow the vehicle to be
driven safely at the posted speed limit. Upon entering the
highway/freeway, accelerate hard to the posted speed limit and maintain
speed. Slow down and then perform 5 to 10 Wide Open Throttle (WOT)
upshifts. Continue driving at the maximum speed limit for 1-2 miles (if
7)Lastly, change your oil.
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