Vehicle applicability: This diagnostic supplement covers multiple Ford vehicles and engines. Follow the application named in the source below. Some references apply to vehicles other than Mustang.
Focus 1.0L,
Focus 2.0L GTDI,
Focus 2.3L,
Fusion,
KA 1.0L,
MKC,
MKS 3.5L,
MKT 2.0L,
MKT 3.5L,
MKX 2.0L,
MKX 2.7L,
MKZ 2.0L,
Mustang 2.3L,
Navigator,
Taurus 2.0L,
Taurus 3.5L GTDI,
Transit 3.5L, and
Transit Connect, GO to DG6 .
For all others, INSTALL a new KS. REFER to the Workshop Manual Section 303-14, Electronic Engine Controls.
Clear the PCM DTCs. REPEAT the self-test.
DG6 IDENTIFY THE TYPE OF KNOCK
Note: Knock counts on a single cylinder may indicate a concern with the ignition or fuel components for the suspect cylinder. Knock counts distributed among multiple cylinders may indicate a fuel quality concern.
• Ignition ON, engine running.
• Access the PCM and monitor the KNK_CNTR_CYL1 (MODE), KNK_CNTR_CYL2 (MODE), KNK_CNTR_CYL3 (MODE), KNK_CNTR_CYL4 (MODE), KNK_CNTR_CYL5 (MODE) and KNK_CNTR_CYL6 (MODE) PIDs.
Are the majority of the knock counts on a single cylinder?
Yes | No |
|---|
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.