Laser L4-135 2.2L SOHC Turbo VIN E FI (1984)
Powertrain Control Module: Customer Interest
ECM - Cold No Start or Hard Start
Models
1984 Vehicles With 2.2L Turbocharged Engines - Automatic & Manual Transmissions
Subject
Cold No Start or Hard Start
Index -
DRIVEABILITY
Date
October 20, 1986
No.
18-29-86
P-3722
SYMPTOM/CONDITON
A "no start" or "hard start" condition may occur in low ambient temperatures (32~F or lower) while at altitudes of 5,000 feet or higher.
DIAGNOSIS
Be sure all systems are operating as designed, using the appropriate Driveability Test Procedures. 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:
1984
2.2L Turbo Manual
PN 5227503
1984
2.2L Turbo Automatic
PN 5227502
FIGURE 1
Type Authorized Modification Label, PN 4275086, as shown in Figure 1 and install near VECI label.