Engine Performance - Stall/Hesitation/Idle Surge
88cad06Bulletin No. T-88-152
File in Group 6E
Number 62
Corp. Ref. No. 636529
Date June '88
SUBJECT: ENGINE STALL, HESITATION OR IDLE SURGE FOLLOWING COLD START ONLY
MODELS AFFECTED: 1986 CIMARRONS WITH 2.8L V-6 ENGINE AND AUTOMATIC TRANSMISSION
Some 1986 Cimarrons equipped with 2.8L V-6 engines and automatic transmissions may experience an engine stall, hesitation or an idle surge following a cold start only.
To repair this condition, a service PROM has been developed and is available from GMSPO. Refer to the chart below for the correct PROM application:
Emission Service PROM
System A/C Part Number
FEDERAL Yes 16126446
CALIF Yes 16126448
If the condition is still present after installing the PROM, refer to:
^ Bulletin T-86-54, Group 6C, On Vehicle Cleaning of Port Fuel Injectors
^ Bulletin T-87-136, Group 6E, Intermittent Stall After Start or During Deceleration
For warranty purposes use Labor Operation T6324 at .5 hour.