NHTSA Campaign 04V090000

FUEL SYSTEM, GASOLINE:DELIVERY

Issued by GENERAL MOTORS CORP. · Reported Feb 24, 2004 · 910,873 vehicles affected

What's wrong

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL RATE OF FUEL LEAKS. A LEAK CAN ALLOW FUEL TO ENTER THE INTAKE MANIFOLD THROUGH A VACUUM LINE. IF THE ENGINE DOES NOT START WHEN CRANKED, THE FUEL FROM THE LEAKING REGULATOR AND A MISTIMED SPARK CAN CAUSE A BACKFIRE.

Consequence

THE BACKFIRE CAN RUPTURE THE INTAKE MANIFOLD. THE RUPTURE OF THE INTAKE MANIFOLD CAN DISPLACE A FUEL LINE, PULLING AN INJECTOR OUT OF PLACE, AND CAUSING A FUEL LEAK AND POSSIBLE FIRE.

Remedy

DEALERS WILL INSTALL NEW FUEL PRESSURE REGULATORS WITH IMPROVED DIAPHRAGMS. THE RECALL WILL BE CONDUCTED IN PHASED MAILINGS. PHASE 1 BEGAN ON JUNE 30, 2004, AND PHASE 2 BEGAN ON SEPTEMBER 30, 2004. OWNERS SHOULD CONTACT BUICK AT 1-866-608-8080, OLDSMOBILE AT 1-800-630-6537, OR PONTIAC AT 1-800-620-7668.

Vehicles affected by this recall

Make Model Year Units
BUICK LESABRE 1998 910,873
BUICK LESABRE 1999 910,873
BUICK LESABRE 2000 910,873
BUICK PARK AVENUE 1998 910,873
BUICK PARK AVENUE 1999 910,873
BUICK PARK AVENUE 2000 910,873
CHEVROLET IMPALA 2000 910,873
CHEVROLET MONTE CARLO 2000 910,873
OLDSMOBILE 88 1998 910,873
OLDSMOBILE 88 1999 910,873
PONTIAC BONNEVILLE 1998 910,873
PONTIAC BONNEVILLE 1999 910,873
PONTIAC BONNEVILLE 2000 910,873

Source: NHTSA Campaign 04V090000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.