Fuel system
ON CERTAIN VEHICLES, VARIATIONS IN THE MANUFACTURING PROCESS OR EXPOSURE TO HIGH AMBIENT TEMPERATURES MAY LEAD TO FRACTURE OF THE FUEL TANK INLET CHECK VALVE (ICV).
NHTSA lists 6 safety recalls and 227 owner complaints for the 2001 Pontiac Aztek. Most complaints involve electrical system (43) and engine and engine cooling (31). The EPA rates it 19–20 mpg combined.
ON CERTAIN VEHICLES, VARIATIONS IN THE MANUFACTURING PROCESS OR EXPOSURE TO HIGH AMBIENT TEMPERATURES MAY LEAD TO FRACTURE OF THE FUEL TANK INLET CHECK VALVE (ICV).
CERTAIN DELPHI FUEL PRESSURE REGULATORS, P/NOS. FP10020-11B1, FP10026-11B1, AND FP10027-11B1, SOLD AFTER JANUARY 9, 2007, AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES LISTED ABOVE. THE UNIVERSAL PRESSURE REGULATORS (UPR) WERE PRODUCED WITHOUT AN O'RING AND RETAINER.
CERTAIN MINIVANS, PASSENGER AND SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEM." THE OWNER'S MANUAL DOES NOT EXPLAIN THE MEANING OF THE LOCATION SYMBOLS FOR THE CHILD RESTRAINT LOWER UNIVERSAL ANCHORAGE SYSTEM.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“BOUT 3 WEEKS AGO CAR JUST KEEP ACTING UP HAD IT FOR ONE YEAR CANT READ CODES ON CAR KEEP OVERHEATING REPLACED RADIATOR CVL AXLE BRAKES OIL CHANGE TRANSMISSION FLUID CAR JUST DECIDED TO NOT PASS 50MPH BE DRIVEABLE ONE DAY DRIVING IT WENT TO A STOP SIGN BRAKE CAR CUT OFF I SEE CHECK GAUGES COME ON SERVICE LIGHT ON CANT READ CODES TO FIND OUT ANYTHING I THINK THE WIRING IS MESS UP REPLACED STARTED AS WELL JUST TO MUCH ONLY HAD IT FOR A 1AND A HALF”
“PURCHASED THE PONTIAC 2001 AZTEK FROM A DEALER USED. THE FIRST WEEK THE CHECK ENGINE LIGHT CAME ON. SECOND WEEK THE SERVICE VEHICLE LIGHT CAME ON AND THE THERMOMETER GAUGE WAS STUCK IN COLD, TOOK THE CAR TO CHECKERS AUTOPARTS TO DIAGNOSE. WAS A BAD THERMOSTAT. ANOTHER WEEK LATER THE ENGINE STARTED OVERHEATING. STOPPED CHECKED COOLANT. WAS GONE OUT OF THE RESERVOIR, WHICH I JUST HAD FILLED AT JIFFY LUBE THAT MORNING. STOPPED BY THEM AGAIN, THEY CHECKED THE LIQUIDS, FOUND COOLANT MIXED IN WITH THE OIL. ADVISED NOT TO CONTINUE DRIVING THE VEHICLE SINCE IT CAN MESS UP THE ENGINE. CALLED DEALER AND HAD THEM TOW IT. THEY HAVE BEEN WORKING ON IT FOR THE PAST 4 DAYS. STATED THAT IT WAS THE INTAKE MANIFOLD GASKET. WONDERING IF THIS VEHICLE IS SAFE AFTER READING SEVERAL COMPLAINTS REGARDING IT. AND ALSO IF PONTIAC WOULD FIX IT. *TR”
“TL* THE CONTACT OWNS A 2001 PONTIAC AZTEK. THE CONTACT STATED THAT THE FUEL GAUGE FAILED TO INDICATE THE AMOUNT OF FUEL THAT WAS STORED IN THE FUEL TANK AFTER IT WAS REFUELED. NO WARNING LIGHTS ILLUMINATED ON THE INSTRUMENT PANEL. THE MANUFACTURER WAS NOT CONTACTED. THE VEHICLE WAS TAKEN TO THE DEALER. THE TECHNICIAN DIAGNOSE THAT THE FUEL GAUGE FLOATER NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 130,000 AND THE CURRENT MILEAGE WAS UNKNOWN.”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| Aztek FWD Auto 4-spd, 6 cyl, 3.4 L · Front-Wheel Drive | 17 | 24 | 20 | $3,100 | 444 |
| Aztek AWD Auto 4-spd, 6 cyl, 3.4 L · 4-Wheel or All-Wheel Drive | 16 | 23 | 19 | $3,300 | 468 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
6 safety recalls as of Nov 10, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 227 complaints with NHTSA. The most-cited components are electrical system (43), engine and engine cooling (31), fuel system, gasoline (30). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2001 Pontiac Aztek at 19–20 mpg combined, depending on engine and drivetrain (2 versions rated).