1999 Pontiac Grand Prix Engine and Engine Cooling Problems
Owners have filed 152 complaints with NHTSA about engine and engine cooling problems on the 1999 Pontiac Grand Prix, 37% of all complaints for this model year. Half of the reports with a mileage happened before 98,000 miles. The words owners use most often: “intake manifold” (20% of reports).
- 152engine and engine cooling complaints
- 98,000median miles at failure
- 0mention a crash
- 3mention an injury
- 3related recalls
- $2,050typical repair cost reported by owners
- 29%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Intake manifold: mentioned in 30 of 152 complaints (20%)
- Caught fire: mentioned in 29 of 152 complaints (19%)
- Engine compartment: mentioned in 14 of 152 complaints (9%)
- Minutes parked: mentioned in 8 of 152 complaints (5%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical engine and engine cooling repair on the 1999 Pontiac Grand Prix at $2,050, and half of them between $1,200 and $6,450.
Based on 12 NHTSA complaints about this problem alone that state a repair bill or quote (2002–2008), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do engine and engine cooling problems happen?
Based on 109 complaints that reported the odometer reading.
How serious are the reports?
Of 152 complaints, 71 a fire, 3 an injury.
Pontiac Grand Prix engine and engine cooling complaints by model year
| Model year | Engine and Engine Cooling complaints | Share of that year | Median miles |
|---|---|---|---|
| 2008 Grand Prix | 5 | 3% | 61,400 |
| 2007 Grand Prix | 4 | 2% | 98,590 |
| 2006 Grand Prix | 6 | 3% | 49,000 |
| 2005 Grand Prix | 6 | 4% | 11,000 |
| 2004 Grand Prix | 41 | 9% | 52,500 |
| 2003 Grand Prix | 16 | 15% | 75,000 |
| 2002 Grand Prix | 62 | 19% | 91,000 |
| 2001 Grand Prix | 102 | 33% | 96,500 |
| 2000 Grand Prix | 151 | 33% | 91,582 |
| 1999 Grand Prix | 152 | 37% | 98,000 |
| 1998 Grand Prix | 90 | 18% | 109,791 |
| 1997 Grand Prix | 136 | 17% | 137,000 |
| 1996 Grand Prix | 13 | 16% | — |
| 1995 Grand Prix | 11 | 7% | 123,250 |
When owners reported it
Related recalls (3)
Engine and engine cooling:exhaust system:manifold/header/muffler/tail pipe; engine and engine cooling:engine
Problem: General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired under recalls 08V-118, 09V-116, and 15V-201 to address the possibility that engine oil may drip onto the hot exhaust manifold.
Risk: Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.
Fix: The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety risk. Under the improved remedy, dealers will replace the engineÂs front valve cover and gasket. Vehicles that are covered by recalls 08V-118, 09V-116, or 15V-201 that have not yet received the original remedy will instead receive the improved remedy under the original recall number. The recall began on February 19, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, Buick customer service at 1-800-521-7300, Oldsmobile customer service at 1-800-442-6537 and Pontiac customer service at 1-800-458-8006. GM's number for this recall is 15757. Note: Until the improved remedy has been applied, owners are advised to park their vehicle outside since the fire risk exists even when the vehicle is unattended.
Engine and engine cooling
Problem: General motors is recalling 1,497,516 my 1997-2003 buick regal, my 1998-2003 chevrolet lumina, monte carlo and impala, my 1998-1999 oldsmobile intrigue, my 1997-2003 pontiac grand prix vehicles equipped with a 3.8l v6 naturally aspirated engine. Some of these vehicles have a condition in which drops of engine oil may be deposited on the exhaust manifold through hard braking.
Risk: If the manifold is hot enough and the oil runs below the heat shield, it may ignite into a small flame and may spread to the plastic spark plug wire channel and beyond increasing the risk of an engine compartment fire.
Fix: Dealers will replace the engineâs front valve cover and front-valve-cover gasket with new parts of an improved design and remove the engineâs plastic cover and plastic oil-fill-tube extension, free of charge. The recall is expected to begin during may 2016. Owners may contact chevrolet at 1-800-630-2438, oldsmobile at 1-800-630-6537, and pontiac at 1-800-620-7668 or http://www.pontiac.com or http:www.gmownercenter.com.
Engine and engine cooling
Problem: Gm is recalling 207,542 my 1997-2003 buick regal and pontiac grand prix vehicles equipped with a 3.8l supercharged v-6 engine. These vehicles have higher front rocker cover gasket temperatures, creating the potential for earlier degradation of the front rocker cover gasket and eventual oil seepage.
Risk: Certain underhood fires may be caused by drops of engine oil, from seepage or spillage, being deposited on the exhaust manifold through hard braking. If the manifold is hot enough and the oil runs below the heat shield, it may ignite into a small flame and, in some instances, the fire may spread to the plastic spark plug wire channel and beyond.
Fix: Dealers will replace the engineâs front valve cover and front-valve-cover gasket with new parts of an improved design and remove the engineâs plastic cover and plastic oil-fill-tube extension, along with the 1-3-5 spark plug wire retainers, free of charge. The recall is expected to begin during may 2016. , free of charge. The recall is expected to begin during may 2016. Until the remedy is completed, gm strongly recommends that owners observe the following important precautions (1) that owners do not park their vehicle in a garage, car port, or other structure; (2) if owners notice a burning odor, they should have their dealer inspect the vehicle. The dealer will inspect the vehicle without charge; (3) use premium fuel (91 octane or higher) in the vehicle as recommended in the vehicle's owner manual. Owners may contact buick at 1-866-608-8080 or pontiac at 1-800-620-7668, or through their website at <a href=http://www.gmownercenter.com>http://www.gmownercenter.com</a> .
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
Tl* the contact owned a 1999 pontiac grand prix. While the vehicle was parked, it caught fire. The witness stated that the fire started underneath the hood of the vehicle. The fire department extinguished the fire and a fire report was filed. There were no injuries and a police report was not…
Tl* the contact owns a 1999 pontiac grand prix. While driving approximately 35 mph, black smoke appeared from the front passenger side of the vehicle. The contact shut off the vehicle to stop the smoke. The vehicle was towed to an independent mechanic where the cause of the failure was…
1999 pontiac grand prix. Consumer writes in regards to vehicle fire and exhaust manifold recall notice. *smd the consumer stated he no longer owns the vehicle, since the fire occurred a year ago. *jb

Frequently asked questions
Do all 1999 Pontiac Grand Prixs have engine and engine cooling problems?
No. NHTSA has 152 owner complaints about engine and engine cooling for the 1999 Pontiac Grand Prix (37% of the 412 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 1999 Pontiac Grand Prix engine and engine cooling?
Yes: 3 safety recalls list engine and engine cooling. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
At what mileage do engine and engine cooling problems start?
The median reported mileage is 98,000 miles: half of the reports with a mileage came before that.
How much does it cost to fix engine and engine cooling problems on the 1999 Pontiac Grand Prix?
Owners report a typical cost of $2,050 (half paid between $1,200 and $6,450), from 12 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about engine and engine cooling problems on the 1999 Pontiac Grand Prix?
The most frequent phrase is “intake manifold”, in 30 of 152 complaints, followed by “caught fire” (29).
Other 1999 Pontiac Grand Prix problems
- Steering problems (58)
- Engine problems (50)
See all 1999 Pontiac Grand Prix problems or engine and engine cooling problems across all Grand Prix years.