2G2WC54C451343008

The 2005 Pontiac Grand Prix is a 4-door sedan powered by a 3.0L V6 engine with sequential fuel injection. Built by General Motors in Oshawa, Ontario, this vehicle includes front and side airbags for the driver and passenger. It features a manual seat belt system and an indirect TPMS. Ideal for those seeking a reliable and safe passenger car.

Decoded VIN:

Make

PONTIAC

Manufacturer Name

GENERAL MOTORS LLC

Model

Grand Prix

Model Year

2005

Plant City

OSHAWA #2

Trim

367P

Vehicle Type

PASSENGER CAR

Plant Country

CANADA

Plant Company Name

GMNA

Plant State

ONTARIO

Body Class

Sedan/Saloon

Doors

Windows

Gross Vehicle Weight Rating From

Class 1: 6,000 lb or less (2,722 kg or less)

Gross Vehicle Weight Rating To

Class 1: 6,000 lb or less (2,722 kg or less)

Engine Number of Cylinders

Displacement (CC)

3000.0

Displacement (CI)

183.07123228419

Displacement (L)

3.0

Engine Model

LW9

Engine Configuration

V-Shaped

Fuel Delivery / Fuel Injection Type

Sequential Fuel Injection (SFI)

Other Engine Info

LW9: China. (Name Plate: Buick) C coded twice in 8th position. LS4: 5.3L, V8, SFI, ALUM, Cylinder Deactivation (name plate: Pontiac)

Engine Manufacturer

WRN

Seat Belt Type

Manual

Front Air Bag Locations

1st Row (Driver and Passenger)

Side Air Bag Locations

1st Row (Driver and Passenger)

Tire Pressure Monitoring System (TPMS) Type

Indirect

Most common problems:

Oil leaks

V-shaped engines, including those from WRN, often experience oil leaks due to the design complexity and multiple seals and gaskets. Look for leaks around the valve covers and oil pan.

Intake manifold gasket failure

The intake manifold gaskets in the LW9 engine can deteriorate over time, leading to coolant leaks and engine overheating.

Timing chain issues

The timing chain in a 2005 Pontiac Grand Prix with a V6 engine can stretch or wear out, leading to misfires and timing issues.

Ignition coil failures

V6 engines often face ignition coil failures, leading to misfires and poor engine performance.

Cooling system problems

Older models like the 2005 Grand Prix can have coolant leaks from the radiator or the water pump, causing overheating issues.

Fuel injector problems

Dirty or clogged fuel injectors can lead to poor engine performance and reduced fuel efficiency.

Crankshaft position sensor failure

If the crankshaft position sensor fails, it can cause the engine to stall or not start at all.

Exhaust gas recirculation (egr) valve issues

The EGR valve can get clogged with carbon deposits, leading to rough idling and reduced engine performance.

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