Focus L4-2.0L SOHC VIN P (2000)
Pressure Feedback Exhaust Sensor: All Technical Service Bulletins
Emissions - MIL ON/DTC's P0402/P0403/Runs Rough
Article No.
03-15-2
08/04/03
^
DRIVEABILITY - DIAGNOSTIC TROUBLE CODES
(DTC) P0402 AND/OR P0403 OR RUNS ROUGH IN
WET WEATHER CONDITIONS
^
ELECTRICAL - MALFUNCTION INDICATOR LAMP
(MIL) ILLUMINATED WITH DIAGNOSTIC TROUBLE
CODES (DTC) P0402 AND/OR P0403 STORED
FORD:
2000-2003 FOCUS
ISSUE
Some vehicles may exhibit a runs rough and/or Malfunction Indicator Lamp (MIL) on condition with Diagnostic Trouble Codes (DTC) P0402 and/or
P0403, in wet weather conditions or in a car wash.
ACTION
If the vehicle exhibits a runs rough and/or MIL Light on with DTC P0402 and/or P0403, in wet weather or a car wash, and there is evidence of water
ingestion into the EVR, follow the repair procedure below.
SERVICE PROCEDURE SEALING COWL AREA
Vehicles built before January 4, 2003 - (These vehicles have seals molded into the grilles, that cannot be removed).
Start from the bottom edge of the cowl grill center joint, and fill the vertical gap with RTV (Overlap both sides of the gap by about 3/16"), continue
filling the gap up to the cowl seals. Continue to "SEALING THE EVR/DPFE" section in the article.
Vehicles built after January 4, 2003
NOTE
ON VEHICLES BUILT JANUARY 4, 2003 TO FEBRUARY 25, 2003, RELOCATE THE COWL SEAL GAP. REMOVE COWL SEALS, SWAP
THE SEALS FROM SIDE TO SIDE, SUCH THAT THE SEAL GAP IS AWAY FROM THE COWL GAP AND APPLY BLACK RTV
SILICONE SEALANT TO THE COWL GRILL CENTER JOINT GAP (REFER TO FIGURE 1). SOME VEHICLES MAY ALREADY HAVE
THIS DONE. CONTINUE WITH PROCEDURE.
