EEC Origin of Self Test Code 33 - Manual Revision

89Ford27

ENGINE EMISSIONS DIAGNOSIS MANUAL, VOLUME H-1989-PAGE 17-117-DIAGNOSTICS TO DETERMINE KEY ON ENGINE RUNNING SELF-TEST CODE 33 REVISED
Article No. 89-18A-11
FORD: 1989 ESCORT


ISSUE: The diagnostics written to determine the origin of a key on engine running self-test code 33 is incomplete as published in the 1989 Engine Emissions Diagnosis Manual, Volume H, page 17-117.
ACTION: Refer to the pages following this TSB article for the revised diagnostic procedure.

OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES: 680000




17-117
EEC-IV - Pinpoint Tests - All Vehicles 1989


Pressure Feedback EGR (PFE)

Pinpoint Test DL

EGR Vacuum Regulator (EVR)





17-118 EEC-IV - Pinpoint Tests - All Vehicles


Pressure Feedback EGR (PFE)

Pinpoint Test DL

EGR Vacuum Regulator (EVR)