ENG. DOES NOT STAY RUNNING ON INITIAL COLD START. Buick Park Avenue 1993

SUBJECT: ENGINE DOES NOT STAY RUNNING ON INITIAL COLD START

MODELS AFFECTED: 1992-93 PARK AVENUE ULTRA

Some 1992 and 1993 Park Avenue Ultra models equipped with 3800 S/C (Code 1, RPO L67) engines may experience a condition described as engine does not stay running on initial cold start.

If this condition is experienced and cannot be repaired by using currently published service diagnostic procedures, it may be necessary to install a new service PROM after basic engine controls and systems performance have been verified.

PARTS STATEMENT:

Parts are expected to be available on December 21, 1992. In case of limited inventory, parts will be placed on 400 control to waive VIP surcharges. Only verifiable emergency VIP orders will be accepted. SPO will make every effort to obtain parts. However, the part will be shipped premium transportation at dealer's expense and all other order types will be placed on backorder until the 400 control is removed.

PROM PROM PROM SERVICE SCANNER BROADCAST YEAR SERIES AXLE PART NUMBER I.D. NO. CODE ---- ------ ---- ------------ -------- --------- 1992 Park Ave Ultra 2.97 16190044 9534 BDZB FED

1992 Park Ave Ultra 2.97 16190047 9544 BDZC CAL

1993 Park Ave Ultra 2.97 16187418 7374 BDND FED

1993 Park Ave Ultra 2.97 16187421 7384 BDNF CAL

WARRANTY INFORMATION:

Use applicable labor operation and time.

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.