Campaign - Cold Start-ability Adjustment: Overview
85olds4SUBJECT SPECIAL POLICY NUMBER: 84-T-20A
COLD STARTABILITY ADJUSTMENT (Revised 84-T-20
Dated Nov. 30, 1984)
DATE: April 5, 1985
1983-84 FIRENZA MODELS EQUIPPED WITH
MODELS/YEARS 2.0L ENGINE (VIN CODE P) AUTOMATIC
SECTION: 6E
TRANSAXLE & FEDERAL EMISSIONS SYSTEM
TO: ALL OLDSMOBILE DEALERS
CONDITION
This bulletin supersedes Dealer Technical Bulletin 84-T-20 dated November 30, 1984, which was mailed to Oldsmobile dealers in certain northern states.
Some 1983-84 Oldsmobile Firenza models equipped with 2.0L engine (LQ5), automatic transaxle and Federal Emissions system may experience no starts, poor cold start, and/or spark plug fouling. These starting conditions may be encountered at temperatures below -10~ F (-23~ C).
SPECIAL POLICY ADJUSTMENT
There are no time nor mileage provisions relating to subject vehicles.. This special policy adjustment offer will expire June 30,1985.
A copy of the "Special Policy Bulletin 84-I-30" should be filed in the 3 ring binder furnished to the dealer by General Motors in September 1982.
OWNER NOTIFICATION
Owners of vehicles registered in certain northern states will be notified by letter of this Special Policy by Oldsmobile. However, all subject vehicles are covered by this policy regardless of where they are registered or operated.
PREVIOUSLY SERVICED VEHICLES
1983-84 Oldsmobile Firenza models previously serviced with the cold startability adjustment parts identified in Dealer Technical Bulletin 84-T-20 dated November 30,1984, which developed a check engine light (Code 42) can now be corrected. The check engine light in many cases is being generated by false signals to the ECM and can be corrected by installing the correct PROM identified in the service procedure of this bulletin, 84-T-20A.