Mustang V6-4.0L (2008)
-
DTC P0457 (Evaporative Emission System Leak Detected [fuel cap loose/off]) - sets in the PCM if a fuel tank pressure change greater than -23.7
kPa (-7 in-Hg) of vacuum within 30 seconds after refueling occurs, or there is an excessive purge (fuel vapor) flow of greater than 454 g (1.0 lb)
per minute.
This pinpoint test is intended to diagnose the following:
-
PCM
-
Instrument cluster (IC)
C1-C2
C3
