What are the most common Pontiac G8 problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2008 Pontiac G8 has 1 documented issue. The documented issue is: G8 Fuel-Tank-Module Issues + Brake Lamp Switch Recall. Of these, 1 is rated critical and should be addressed promptly.

Is the Pontiac G8 reliable?

The 2008 Pontiac G8 has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: G8 Fuel-Tank-Module Issues + Brake Lamp Switch Recall. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Pontiac G8 problems?

Repair costs for known Pontiac G8 issues range from $30 to $800, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, G8 Fuel-Tank-Module Issues + Brake Lamp Switch Recall, typically costs $30-$800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2008-2009 Pontiac G8 G8 Fuel-Tank-Module Issues + Brake Lamp Switch Recall?

2008-2009 G8 was the subject of multiple recalls including the GM-wide brake-lamp switch failure (NHTSA 14V-355 family covers many GM vehicles for the same switch). Australian-built G8s also had several fuel-tank module / fuel-pump related TSBs. Both are common at 60,000-120,000… Repairs typically run $30-$800. Severity: high.

2008 Pontiac G8 Problems: 1 Known Issue

2008 Pontiac G8 Problems: 1 Known Issue | Au7o

NHTSA Recalls4 recalls

ELECTRICAL SYSTEM:IGNITION

General Motors LLC (GM) is recalling certain model year 2011-2013 Chevrolet Caprice vehicles manufactured October 15, 2010, to December 6, 2013, and 2008-2009 Pontiac G8 vehicles manufactured July 25, 2007, to February 18, 2009. In the affected vehicles, the driver may accidentally hit the ignition key with their knee, unintentionally knocking the key out of the run position, turning off the engine.

Campaign #14V54000009/09/2014

SEAT BELTS

General Motors LLC (GM) is recalling certain model year 2011-2013 Chevrolet Caprice vehicles manufactured October 15, 2010, to October 22, 2013, and 2008-2009 Pontiac G8 vehicles manufactured July 25, 2007, to February 18, 2009. In the affected vehicles, the flexible steel cables that connect the seat belts to the vehicle at the outside of the driver seat and the front passenger seat may be bent from being sat on while entering the vehicle. This repeated bending may result in the cable breaking.

Campaign #15V39900023/06/2015

AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE

GENERAL MOTORS (GM) IS RECALLING CERTAIN MODEL YEAR 2008-2009 PONTIAC G8 VEHICLES MANUFACTURED FROM NOVEMBER 2, 2007 THROUGH JANUARY 22, 2009. A 5TH PERCENTILE FEMALE ANTHROPOMORPHIC TEST DEVICE (ATD) IN A 30 MPH FRONTAL BARRIER TEST EXCEEDED THE HEAD INJURY CRITERIA (HIC) REQUIREMENTS OF THE STANDARD. WITH THE FRONT PASSENGER SEAT POSITIONED FULL FORWARD, THE SEAT POSITION SENSOR WILL CAUSE A 30 MILLISECONDS DEPLOYMENT DELAY BETWEEN THE FIRST AND SECOND STAGES OF THE DUAL-STAGE FRONTAL PASSENGER AIR BAG.

Campaign #11V53400004/11/2011

SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE

GM IS RECALLING 35,038 MY 2008-2009 PONTIAC G8 VEHICLES FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT" AND FEDERAL MOTOR VEHICLES SAFETY STANDARD NO. 138, "TIRE PRESSURE MONITORING SYSTEMS". THE BRAKE PEDAL POSITION SWITCH MAY HAVE BEEN INCORRECTLY PROGRAMMED. WITH THIS CONDITION, THE BRAKE LAMPS MAY BE CONTINUALLY ILLUMINATED AND FAIL TO WARN A FOLLOWING DRIVER WHEN THE VEHICLE IS BRAKING. ALSO CERTAIN VEHICLES MAY HAVE INCORRECT VALUES PROGRAMMED INTO THE TIRE PRESSURE MONITORING SYSTEM THAT WILL NOT ILLUMINATE THE LOW TIRE PRESSURE TELLTALE UNTIL TIRE PRESSURE FALLS BELOW VALUES REQUIRED BY THE STANDARD.

Campaign #09V17200021/05/2009

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

2008 Pontiac G8 Problems: 1 Known Issue

All 1 Known Issue

2008-2009 Pontiac G8: G8 Fuel-Tank-Module Issues + Brake Lamp Switch Recall#

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Frequently Asked Questions

What are the most common Pontiac G8 problems?

Is the Pontiac G8 reliable?

How much does it cost to fix common Pontiac G8 problems?

What is the 2008-2009 Pontiac G8 G8 Fuel-Tank-Module Issues + Brake Lamp Switch Recall?