There are 18 owner-reported engine complaints for the 2001 Chevrolet Blazerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL*THE CONTACT OWNED A 2001 CHEVROLET BLAZER. THE CONTACT STATED THAT THE AIR PUMP FILLED WITH WATER AND FROZE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALERSHIP WHERE THE AIR PUMP WAS REPLACED. THE FAILURE MILEAGE WAS APPROXIMATELY 40,000. THE CURRENT MILEAGE WAS APPROXIMATELY 60,000.
THE ELECTRIC SMOG PUMP ON MY 2001 CHEVY BLAZER HAD FAILED WHEN PUMP FILLED WITH WATER AND SHORTED OUT. THIS IS CAUSED DUE TO THE SHORT INTAKE HOSE TO THE PUMP. THIS IS AN APPARENT KNOWN ISSUE WITH GM, BUT THEY WILL NOT REPLACE THE PUMP. THIS ALSO CAUSES THE VEHICLE TO FAIL EMISSIONS TESTING. GM WANTED $400 FOR THE PUMP + LABOR TO REPAIR THE ISSUE. ONCE THE PART BECAME AVAILABLE FOR 3RD PARTY VENDORS, WE WERE ABLE TO REPLACE THE PUMP OURSELVES, ADDED A LONGER INTAKE HOSE, AND THE VEHICLE NOW RUNS CORRECTLY. I FEEL THAT SINCE GM IS AWARE OF THIS ISSUE AND IT ADVERSELY EFFECTS THE EMISSION CONTROL OF THE VEHICLE, THE REPAIR SHOULD BE GM'S RESPONSIBILITY. *TR
DT: THE CONTACT STATED THE CHECK ENGINE LIGHT CAME AND THE ENGINE STARTED MISSING. THE AIR REFLECTOR ON THE BOTTOM OF THE THROTTLE BOTTLE PLATE DISINTEGRATED; THE AIR REFLECTOR HAS GONE THROUGH THE MOTOR. THE PLATE WAS EMBEDDED IN THE PISTONS, BROKE TWO SPARK PLUGS, AND BENT PUSH RODS. HE CHANGED THE SPARK PLUGS. HE THEN PULLED THE VEHICLE IN AND REALIZED THE PUSH RODS AND LIFTERS WERE BAD. HE CONTACTED THE DEALER THEY OFFERED NO FREE REMEDY.*AK
DT: THE CONSUMER OWNS TWO GMC VEHICLES WITH THE SAME PROBLEM. THE CONSUMER RECEIVED NETS RECALL 05V155000 ON ONE OF THE VEHICLES BUT NOT FOR THE OTHER. THE PROBLEM WAS WITH THE FUEL MODULE RESERVOIR ASSEMBLY. SINCE THE VIN WAS NOT INCLUDED THEY WOULD NOT CORRECT THE PROBLEM. *AK (12/02/05) THE SERVICE ENGINE LIGHT SOON STAYED ON AND THE FUEL GAUGE DID NOT WORK PROPERLY. *SC
ENGINE FAILURE DUE TO A LACK OF LUBRICATION TO THE NUMBER 6 CYLINDER. THE FAILURE OCCURRED WITH ONLY 60K ON THE TRUCK. THE TRUCK HAD REGULAR OIL CHANGES AND THE OIL LEVEL WAS CHECKED EVERY 500 MILES. *JB
GETS A P0140 DTC SECONDARY AIR PUMP. AIR PUMP IS CORRODED AND SHAFT WON'T TURN. MAXIFUSE BLOWS. *JB
I PURCHASED A USED 2001 CHEVROLET BLAZER LAST MARCH. I HAD THE VEHICLE FOR 1 MONTH AND THE SERVICE ENGINE SOON LIGHT CAME ON. I TOOK IT TO THE GARAGE AND THEY SAID I NEEDED AN AIR INTAKE BOX. I WAS ABLE TO GET A USED ONE. AFTER ONE YEAR I AM BACK TO THE SAME SITUATION. THIS AIR INTAKE BOX THAT WAS ANOTHER VEHICLE HAD THE SAME PROBLEM. WHEN REMOVED THE BOX CONTAINS ALOT OF CONDENSATION. THE SERVICE GARAGE DOES NOT KNOW WHY THIS HAPPENS. THE CONDENSATION I AM SURE IS WHATS CAUSING THE BOX TO FAIL. I WOULD LIKE THIS INVESTIGATED TO SEE IF THIS IS A RECALL.*AK
LOST COMPLETE OIL PRESSURE. THE OIL COOLER LINES ARE PLACED DIRECTLY ON THE STEERING GEAR BOX, AND THE VIBRATION CAUSED THE LINES TO RUPTURE, WHICH RESULTED IN ALL THE OIL DRAINING OUT.*JB
THERE IS AN ERROR CODE IN TEH COMPUTER P0410 THE SECONDARY INJECTOR NEEDS TO BE REPLACED AGAIN AND AGAIN, IT WAS COVERED UNDER WARRANTY THE FIRST TIME. THEN WEMOVED TO MASSACHUSETTS AND THE LIGHT CAME ON AGAIN WHICH I THEN GOT IT FIXED AND PAID FOR IT ON MY OWN BECAUSE IT WASN'T UNDER WARRANTY, AND THE LIGHT CAME ON AGAIN WITH TEH SAME CODE P0410 THE SECONDARY AIR INJECTOR. I HAVEN'T BEEN ABEL TO GET THE VEHICLE INSPECTED DUE TO TEH ERROR CODE BECUASE IT CAUSED AN EMMSISIONS FAILURE. THE SECOND TIME COST ME $400, I'VE LOOKED ON THE INTERNET ONLY TO FIND THAT MANY OTHER POEPLE HAVE THE SAME PROBLEM AND NO RECALL HAS BEEN ISSUED AS OF YET. I HAVE CONTACTED CHEVROLET ABOUT THE PROBLEM, WHICH TO NO AVAIL THEY WOULD NOT COVER THE PART ORANY COST OF A NEW ONE. THE VEHICLE WAS STILL NOT INSPECTED NOR WILL EVER BE BECAUSE REPLACING THE PART APPERENTLY WASN'T THE PROBLEM. IS THERE ANYTHING THE NHTSA COULD DO IN THIS SITUATION? *AK
DT: CONSUMER OWNED A 2001 CHEVROLET BLAZER WHICH HE PURCHASED IN JANUARY 2002. THE VEHICLE STALLED SIX TIMES IN 2002, TWO TIMES IN 2004, AND TWO TIMES ON JULY 21, 2005. THE VEHICLE WAS NEVER TAKEN TO THE DEALERSHIP FOR THIS PROBLEM. ALSO, THE CONSUMER HAS NOT CONTACTED THE MANUFACTURER. THIS HAPPENED AT ANY SPEED. THE VEHICLE DID NOT ALWAYS START RIGHT UP. THE PROBLEM WAS MORE PERSISTENT IN THE SUMMER. *AK *NM
JUST TO MAKE YOU AWARE, VEHICLE IS LEASED. I DROPPED IT OF AT THE LOCAL DEALER YESTERDAY RIGHT AFTER IT HAPPENED BUT I DO NOT KNOW WHEN THEY WILL LOOK AT IT. I WILL CONTACT CHEVY CUSTOMER SERVICE IN THE MORNING AS THEY ARE CLOSED ON THE WEEKEND.NO SAFETY DEFECT LISTED. *AK
WHILE TRAVELING AT ANY SPEED VEHICLE WOULD STALL WITHOUT ANY INDICATION. DEALER HAS BEEN CONTACTED. PLEASE PROVIDE FURTHER INFORMATION.*AK
THE VEHICLE STALLS WHILE DRIVING RESULTING IN LOSS OF POWER, THE VEHICLE WILL RESTART BUT WITH EXTENDED RANKS. *MJ
AFTER VEHICLE IS IN IDLE MODE FOR 2-3 MINUTES IT OVERHEATS. DEALER HAS BEEN CONTACTED. PLEASE PROVIDE FURTHER INFORMATION.*AK
AFTER VEHICLE IS IN IDLE MODE FOR 2-3 MINUTES IT OVERHEATS. DEALER HAS BEEN CONTACTED. PLEASE PROVIDE FURTHER INFORMATION.*AK
ENGINE CHECK LIGHT ILLUMINATES, INDICATING A MALFUNCTION WITHIN COOLING SYSTEM, CAUSE UNKNOWN. PLEASE GIVE FURTHER DETAILS.*AK
WHILE DRIVING ENGINE CHECK LIGHT WOULD COME ON AND REMAIN. PRIOR TO ENGINE CHECK LIGHT COMING ON, VEHICLE WOULD RUN ROUGH/ WOULD JERK, AND HESITATE. PROBLEM IS INTERMITTENT. BEEN TO DEALER FOR REPAIRS, AND AIR PUMP SOLENOID WAS REPLACED. *AK
CONSUMER STATES WHILE DRIVING AT HIGHWAY SPEED THE VEHICLE SHUT DOWN, CAUSING LOST OF POWER STEERING. TS
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026