2003 Pontiac Grand AM engine problems

38 complaints about engine have been filed for the 2003 Pontiac Grand AM, which is 9% of all its NHTSA complaints. It is the 3rd most reported problem area for this model year.

Complaints: 38 9% of this year's complaints
Typical mileage: 59,000 miles 25 complaints with mileage
Crashes and fires: 1 and 0
Injuries and deaths: 1 and 1

Source: NHTSA owner complaints

When engine problems show up

Based on 25 complaints that include mileage. 52% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.

View the numbers

Mileage	Complaints
0k to 20k miles	5
20k to 40k miles	4
40k to 60k miles	4
60k to 80k miles	2
80k to 100k miles	3
100k to 120k miles	0
120k to 140k miles	2
140k to 160k miles	2
160k to 180k miles	1
180k to 200k miles	0
200k+ miles	2

What the data shows

Of the 25 engine complaints that report mileage, the median is about 59,000 miles, and 52% were reported before 60,000 miles.

These complaints mention 1 crash, 1 injury, 1 death.

What owners wrote

Engine has lost power from 150hp @ 3K RPM and 200ft·lb @ 4K RPM. It is now 50hp @ ½K RPM & 75ft·lb @ 2K revolutions per minute. Gear Shift Button has seperated from globe. Radio needs to be replaced or reset daily. Rear window defroster has seperated from window, and won’t retain position. Tire Pressure Monitoring System hasn’t worked to no avail. Turn signals are showing discrepancies when activated from switch.

April 2023 InjuryDeath

2003 pontiac grand am gt started not starting 8 months ago, not a regular thing on/off, been towed numerous times has cost alot of money in fees, had new ignition, new key. Old part is available. Tried turning key on waiting 10 minutes doesn't change anything. Car will start when it feels like it, sometimes leaving my young daughter at work late at night.

Reported at 98,000 miles, August 2009

Engine problems in other years

Engine problems across all Pontiac models