Engine - Cold Driveability/Hesitation/Sag

88buick01

Bulletin 87-6E-24

Date Jan., '88

Ref. No. 87-209-6E

Corp. Ref. No. 736524
SUBJECT: COLD DRIVEABILITY - HESITATION/SAG


MODELS AFFECTED: 1987 SKYHAWKS WITH THE LT-2 2.0L OHC L-4 ENGINE (VIN CODE K)



The 1987 Skyhawk with the 2.0L OHC engine and automatic or manual transmission may exhibit a cold hesitation or sag below approximately 32 degrees Fahrenheit.

If other system problems, i.e., ignition or fuel feed, are not causing the cold drive problem, then an Air Fuel (A/F) mixture drop tube should be installed. The inlet manifold mixture tube improves cold fuel (liquid) distribution to the inlet runners, thus improving cold-to-warm driveability.

The accompanying drawing shows the installation of the mixture drop tube kit, Part Number 10106050, which includes two gaskets and metal drop-tube.
WARRANTY INFORMATION

Labor Operation Number: T1264
Labor Time: .6 Hours
Trouble Code: 92

Automatic Transmission Only:

Further cold-to-warm driveability (above approximately 32 degrees Fahrenheit) improvements are attainable through a PROM change. Refer to dealer service bulletin #87-6E-13A