Lancer L4-135 2.2L SOHC (1986)
Powertrain Control Module: Customer Interest
PCM - Rough (Too Slow) Idle After Initial Cold Start
Models
1986 Vehicles Equipped With 2.2L EFI Engines, Manual Transmission, Federal Emission Package
Subject
Rough (Too Slow) Idle After Initial Cold Start
Index
DRIVEABILITY
Date
June 16, 1986
No.
18-27-86 REVISION A
This bulletin supersedes #18-27-86, which contained a printing error, and should be removed from your files.
SYMPTOM/CONDITION
Rough (too slow) idle after decel may be experienced in the first two (2) minutes of operation after initial cold start in ambient temperatures above 65~F.
A low mileage (green) engine may make this condition more severe.
DIAGNOSIS
Be sure all systems are operating as designed, using the 1986 2.2 EFI Driveability Test Procedures. If no problems are found, install the appropriate
logic module listed below.
PARTS REQUTRED
1 All "K" Bodies With A/C
PN 5227764
All "G" & "H" Bodies All L.E. Series K-Wagons All S E. Series K-Wagons With A/C
1 All "K" Bodies Without A/C
PN 5227767
(except K-Wagons noted above)
1 Authorized Modification Label
PN 4275086
REPAIR PROCEDURE
This repair changes the original logic module to a revised logic module.
1.
Install appropriate logic module according to body and vehicle equipment as listed above.
