ECM - No Start or Hard Start

Models


1985 Vehicles Equipped With 2.2L Turbocharged Engine - All Emission Packages & 2.2L EFI Engines With Federal Emission Package


Subject


No Start or Hard Start


Index


DRIVEABILITY


Date

December 9, 1985

No.


18-44-85

P-4545-C
SYMPTOM/CONDITION


A "no start" or "hard start" condition may occur in low ambient temperatures (32~ F or lower) while at altitudes of 5000 feet or higher.


DIAGNOSIS


To be sure all systems are operating as designed, use the appropriate

Driveability Test Procedure. If no problems are found, install the appropriate logic module listed below.


PARTS REQUIRED


1 Authorized Modification Label PN 4275086


REPAIR PROCEDURE


The following logic modules have a revised start fuel schedule incorporated to lean out fuel delivery based on barometric pressure:
Logic Module No.

1985 2.2L EFI Manual - Federal Emissions 5227238

1985 2.2L EFI Automatic - Federal Emissions 5227241

1985 2.2L Turbo Manual - All Emissions 5227243

1985 2.2L Turbo Automatic - All Emissions 5227245

FIGURE 1:

Type in Authorized Modification Label, PN 4275086, as shown in Figure 1.
POLICY: Reimbursable within the provisions of the warranty


TIME ALLOWANCE:
Labor Operation No. 08-14-06-91 0.3 Hrs.

FAILURE CODE: AM - Authorized Modification