Engine - WOT Surge/Hard Cold Starts/False Codes Set
Bulletin 84-6E-27Date OCT. '84
Ref. No. 84-295-6E
SUBJECT: PROM CHANGE TO IMPROVE HARD COLD STARTS AND WIDE OPEN THROTTLE SURGE AND ELIMINATE FALSE CODES 34, 42 AND 43
MODELS AFFECTED: 1984 T TYPE REGALS WITH 3.8L TURBOCHARGED ENGINE (VIN CODE 9)
NOTE: THIS BULLETIN REPLACES 84-6E-16 WHICH SHOULD BE DESTROYED.
A new PROM has been released for service to repair:
^ Hard cold starts
^ -20~F cold cranks
^ Reduces overboost levels
^ Correct false codes 34, 42, and 43.
This PROM is released for service use only. Should a customer comment be received concerning hard cold starts, surge or poor performance at wide open throttle, or use of Diagnostic Charts 34, 42 and 43 lead to no trouble found. PROM part number 1227058 should be ordered from WDDGM and installed per the 1984 Chassis Service Manual.
Service Number Broadcast Code PROM ID Number (Scan Tool)
1227058 DNN 7058