TSB 01-19-7SERVICE PROCEDURE


<table cellpadding="1" cellspacing="2"><tbody><tr valign="top"><td>1.</td> <td>Use Motorcraft Carburetor Tune-up Cleaner PM-3. </td> </tr> <tr valign="top"><td>2.</td> <td>Carbon removal:<table cellpadding="1" cellspacing="2"> <tbody><tr valign="top"><td>a.</td> <td>Disconnect canister purge line from throttle body.</td> </tr> <tr valign="top"><td>b.</td> <td>Attach a vacuum line to the canister purge port.</td> </tr> <tr valign="top"><td>c.</td> <td>At hot engine idle, allow the engine to ingest 1/2 to 2/3 of a can of Motorcraft Carburetor Tune-up Cleaner. Use caution not to ingest too quickly due to potential hydro-lock issues.</td> </tr> <tr valign="top"><td>d</td> <td>Shut engine off and allow it to soak for one hour.</td> </tr> <tr valign="top"><td>e.</td> <td>Start engine, allow engine to ingest the remainder of the Motorcraft Carburetor Tune-up Gleaner.</td> </tr> <tr valign="top"><td>f.</td> <td>Remove vacuum line and re-install canister purge line.</td> </tr> <tr valign="top"><td>g.</td> <td>Road test vehicle at 3500 RPM for 2-3 miles.</td> </tr> <tr valign="top"><td>h.</td> <td>Repeat above procedure two times for a total of three times.</td> </tr> <tr valign="top"><td>i.</td> <td>Change oil and filter. </td> </tr> </tbody></table> </td> </tr> <tr valign="top"><td>3.</td> <td>Review the customers' driving habits. The recommended drive cycle should include daily periods of engine operation above 3,000 RPM, such as a brisk acceleration from a stop position. This will break/burn the carbon off the piston head. </td> </tr> <tr valign="top"><td>4.</td> <td>Use regular unleaded fuel, 87 Octane. Mid-grade and Premium fuels may increase the probability of carbon buildup, leading to a knock noise.</td></tr></tbody></table>

 

Interesting..i wonder what the aftermarket equivalent of this chemical would be.
This job must be the same thing they charge like $100 for, at places like NTB, pepboys, etc.