2000 Porsche Boxster (986) F6-2.7L Page 41

The sensors are visually distinguished in two ways:

1. There are coded pegs by the electrical plug connection (see figure 1). One peg (A) indicates the old style and two pegs (N) indicates the new

style.

2. The air sampling port is manufactured differently (see figure 2). A straight bottom (A) indicates the old style and curved bottom (N) indicates

the new style.

If a new style HFM is found to be defective, please observe the following instructions:

1. Create an OBDII working log (report).

2. Replace the air cleaner. Place the old air cleaner in the new air cleaner's box.

3. Make a copy the repair order.

4. Send the replaced new style HMF sensor, air cleaner, completed OBDII report, and the copy of the repair order to:

Important!

Warranty Test Center

C/O Technical Service

1777 Phoenix Parkway Suite 202

Atlanta, Ga. 30349

Parts information

Work Procedure:

When replacing an old style HMF sensor on vehicles with a new style HMF sensor, the DME must be reprogrammed. Remember: do not install a

new style HMF sensor until you receive the 9.0 software for the PST2.

Programming the DME control unit with PST2 after installing a new style HFM:

1.1 Connect the PST2 and switch on ignition.

1.2 Select vehicle type and start search with the >> key.

1.3 Select DME in the control modules menu and press the >> key.