PCM - Rough Idle On Cold Engine Start Up

Article No.
00-8-1

DATE:
04/17/2000

IDLE - ROUGH - AFTER COLD ENGINE START-UP (12 HOUR SOAK) - VEHICLES BUILT THROUGH 7/15/1998

FORD: 1998-1999 CROWN VICTORIA

ISSUE
A rough idle approximately 20 seconds after a cold engine start-up may occur on some vehicles. This condition will usually occur after a 12 hour soak, with ambient temperatures above 10° C (50 ° F). This may be due to a Powertrain Control Module (PCM) calibration

ACTION
Perform normal diagnostics in accordance with the Powertrain Control/Emissions Diagnosis (PC/ED) Service Manual, then reprogram the PCM with the latest level calibration using World Diagnostic System (WDS) or New Generation Star (NGS) Tester Refer to the following PCM Reprogramming Information Chart to identify the appropriate calibration.

Recalibration Information:

OTHER APPLICABLE ARTICLES: None

WARRANTY STATUS: Eligible under the provisions of bumper to bumper warranty coverage and emmission warranty coverage.

OPERATION DESCRIPTION TIME
000801A reprogram powertrain 0.4 HR
control module (PCM)
DEALER CODING
CONDITION
BASIC PART NO. CODE
12A650 42

OASIS CODES: 608000, 608400, 609000, 609400.