There are 8 owner-reported fuel system complaints for the 2003 Chevrolet Suburbanin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE FUEL PUMP ON MY 2003 CHEVROLET SUBURBAN HAS FAILED. IT SEEMS THAT THIS HAS BEEN A PROBLEM WITH THESE VEHICLES IN THE PAST. I WISH I HAD KNOWN BEFORE. I BOUGHT THE CAR USED IN 2005, WITH APPROXIMATELY 32,000 MILES ON IT. THE "THROTTLE BODY MODULE", "STEERING GEAR", DASH CLUSTER, AND NOW FUEL PUMP HAVE ALL FAILED! THIS HAS MADE ME VERY UPSET WITH THE MANUFACTURER. THE VEHICLE NOW HAS 72,000 MILES ON IT. I THOUGHT BUYING AMERICAN WAS THE RIGHT THING TO DO. NOW I'M WORRIED ABOUT MY 2004 GMC SIERRA. *TR
BEFORE COMPLETE FAILURE, OVER A PERIOD OF A MONTH THE CAR FAILED TO START/TURNOVER. AFTER 5 MINUTES & REPEATED ATTEMPTS CAR WOULD FINALLY START. ON FINAL FAILURE DATE, THE CAR WOULD NOT START EVEN WITH PERIODIC ATTEMPTS OVER 2 DAYS. VEHICLE WAS TOWED TO DEALER. DEALER REPLACED FUEL PUMP & FUEL FILTER WHICH SEEMS TO HAVE FIXED THE PROBLEM. *NM
DT: THE CONTACT STATED THE FUEL TANK COLLAPSED, CRUSHING THE FUEL PUMP, WHICH HAS BEEN REPLACED TWICE. THE FUEL TANK WAS PLASTIC. THE VENT TO THE FUEL TANK WAS BLOCKED AND CAUSED A VACUUM WHICH CRUSHED THE FUEL PUMP. THE FIRST TIME, THE VEHICLE WAS DRIVEN AT 45 MPH, IT SHUT DOWN WITHOUT WARNING AND WOULD NOT RESTART. AN INDICATOR LIGHT ILLUMINATED, STATING THE COMPUTER SHUT DOWN THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALERSHIP, AND THE FUEL PUMP WAS REPLACED. LESS THAN THREE MONTHS LATER WHILE DRIVING, THE PROBLEM RECURRED. THE VEHICLE WAS TAKEN BACK TO THE DEALERSHIP. THE FUEL PUMP WAS REPLACED A SECOND TIME, AND THE VENT FOR THE FUEL TANK WAS RETRO FITTED TO THE ENGINE COMPARTMENT. THE VEHICLE HAS NOT HAD ANY MORE PROBLEMS. *AK
ON BOTH MY 2003 CHEVY SUBURBAN, AND 2002 CHEVY K2500 TRUCK, THE GAS GAUGE READS ERRONEOUSLY. TENDS TO GET HUNG UP AT 1/4 TANK, THEN LATER GOES TO EMPTY...AT WHICH TIME I'VE RUN OUT OF GAS! CHEVY REPLACED THE BURB FUEL SENSOR TWICE, AND THE TRUCK ONCE...UNDER WARRANTY. PAST WARRANTY THEY WILL NOT HELP. SAFETY ISSUE: I RAN OUT OF GAS IN DOWNTOWN ATLANTA, INTERSTATE TRAFFIC DURING RUSH HOUR, HAD TO WEAVE MY DEAD TRUCK THROUGH 70 MPH TRAFFIC TO THE LEFT SHOULDER. VERY DANGEROUS MOVE...LUCKILY WAS NOT REAR-ENDED! HAVE FRIENDS W/ SAME TRUCK...SAME PROBLEM. *NM
THE VEHICLE HAS GOING TO THE SHOP 8+ TIMES FOR SIMILAR PROBLEM. VEHICLE LOSES POWER AND DIES OUT. SOME TIMES IT WILL RESTART AFTER 5 MINUTES, AND SOME TIMES IT WILL NOT RESTART. THE DEALER HAS REPLACED THE FUEL PUMP 3 TIMES, ALONG WITH THE MODULE. THEY ALSO HAVE REPLACED THE FUEL SENDER, RELAY, CRANKSHAFT POSITION SENSOR, AND FUEL FILTER. THE DEALER HAS FAILED TO FIND THE PROBLEM.
WHILE DRIVING CONSUMER SMELLED GAS ODOR. TECHNICIAN INDICATED THE FUEL LINE SYSTEM WAS LEAKING GASOLINE, CAUSING STALLING. DEALERSHIP WAS NOTIFIED. *AK
THE VEHICLE CUT OFF. THE FUEL PUMP WAS REPLACED. THE VEHICLE STILL CUT OFF ON THE HIGHWAY, HOWEVER, THE DEALER COULD NOT FIND ANY DEFECT. *AK
2003 CHEVY SUBURBAN STALLED TWICE ON THE HIGHWAY AT HIGH SPEEDS. CONSUMER STATES THAT THE VEHICLE HAD THE FUEL PUMP REPLACED. AFTER THE FUEL PUMP WAS REPLACED CONSUMER NOTICED GASOLINE ALL OVER THE GARAGE FLOOR. *KB
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 26, 2026