2003 CHEVROLET SUBURBAN Engine Problems
4 NHTSA complaints on file
Engine Issues in the 2003 CHEVROLET SUBURBAN
4 engine complaints have been filed with NHTSA for the 2003 CHEVROLET SUBURBAN. Of these, 0 involved a crash, 0 involved a fire, and 0 resulted in injury.
4
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
All Engine Complaints
VEHICLE SUDDENLY STARTED GOING INTO REDUCED POWER MODE AND PROVIDING AN ERROR CODE INDICATING A PROBLEM WITH THE THROTTLE CONTROL SENSOR. FROM THE HUNDREDS OF ONLINE POSTS (SOME BY GM MECHANICS) THIS IS AN ONGOING PROBLEM WITH MANY 2003-2008 TRUCKS AND SUVS MADE BY GM. WHEN I BEGAN TRYING TO REPAIR THIS PROBLEM MYSELF, I FOUND OUT FROM MY LOCAL CHEVY PARTS DEPARTMENT THAT "THEY CAN NOT KEEP THESE THROTTLE CONTROL ASSEMBLIES IN STOCK BECAUSE WE ARE REPLACING SO MANY OF THEM..." THERE SEEMS TO BE A KNOW PROBLEM THAT GM IS NOT ADEQUATELY BEING PROACTIVE ABOUT. THIS HAPPENS WHILE DRIVING HIGHWAY, LOCAL STREETS AND AT STARTUP. THIS BECOMES A SERIOUS SAFETY ISSUE WHEN THE VEHICLE GOES INTO REDUCED POWER MODE WHILE THE VEHICLE IS IN TRAFFIC.
TL* THE CONTACT OWNS A 2003 CHEVROLET SUBURBAN. WHILE DRIVING AT 60 MPH, THE VEHICLE STALLED. THE CONTACT WAS ABLE TO RESTART THE VEHICLE. THE FAILURE RECURRED ON NUMEROUS OCCASIONS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC BUT WAS UNABLE TO DIAGNOSE OR REPAIR THE VEHICLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 101,000.
I HAVE BEEN EXPERIENCING COMPLETE ENGINE FAILURE WHILE DRIVING AT HIGHWAY SPEEDS WITHOUT ANY WARNING. I NOTICE A LOSS OF POWER AND NOTICE THE ENGINE LIGHT IS ON AND THE VEHICLE IS DIFFICULT TO STEER. AFTER COASTING TO THE LEFT SIDE OF THE ROAD, THE VEHICLE IGNITION IS TURNED OFF AND AFTER SEVERAL ATTEMPTS, THE CAR STARTS AGAIN AND I CAN DRIVE TO MY DESTINATION. FUEL PUMP AND FUEL LINES WERE REPLACED LESS THAN 2 YEARS AGO WHEN A SIMILAR PROBLEM WAS EXPERIENCED. *TR
DRIVING IN MIDDLE LANE ON HIGHWAY OUT OF STATE WITH KIDS IN THE CAR ENGINE JUST QUIT--NO POWER, COULDN'T SIGNAL TO MOVE OR GET TO SIDE OF ROAD, JUST SAT IN MIDDLE LANE. VERY SCARY!! TOWED TO A NEARBY DEALER-TOLD US THE FUEL PUMP SHORTED THE ENGINE AND HAD TO REPLACE THE FUEL PUMP. NO ADVANCE WARNING-ONLY A BLOWER MOTOR SEEMED TO BE MALFUNCTIONING THAT MORNING (HAVE HAD A/C PROBLEMS). NO ISSUE WITH POWER UNTIL IT JUST QUIT. SEEMS TO BE A COMMON COMPLAINT WHEN RESEARCHING THIS YEAR AND VEHICLE--LOSS OF POWER OR DECREASED POWER. WITH THE NUMBER OF INCIDENTS FOUND, SOMEONE SHOULD RESEARCH THIS BEFORE ANOTHER CAR IS STRUCK FROM BEHIND AND THERE ARE INJURIES OR WORSE, FATALITIES. TO HAVE SOMETHING THIS MAJOR HAPPEN WITHOUT ANY SYMPTOMS OR WARNING LIGHTS, AND FOR THE NUMBER OF CASES FOUND, SEEMS IRRESPONSIBLE AT BEST, NEGLIGENT AT LEAST. PLEASE LOOK INTO THIS! *TR
Other 2003 CHEVROLET SUBURBAN Problem Areas
Service Brakes
63 complaints
Electrical System Instrument Clusterpanel
40 complaints
Electrical System
33 complaints
Service Brakes Hydraulic
17 complaints
Air Bags
14 complaints
Vehicle Speed Control
14 complaints
Power Trainautomatic Transmission
12 complaints
Steering
10 complaints
Fuel System Gasolinedeliveryfuel Pump
7 complaints
Suspension
7 complaints
Structurebody
6 complaints
Engine And Engine Cooling
5 complaints
Power Traintransfer Case 4 Wheel Drive
5 complaints
Tires
5 complaints
Equipmentapplianceair Conditioner
4 complaints
Seat Belts
4 complaints
Seat Beltsrearother
4 complaints
Steeringcolumn
4 complaints
Visibilityglass Siderear
4 complaints
Air Bagsfrontal
3 complaints
Electrical Systemwiring
3 complaints
Engine And Engine Coolingengine
3 complaints
Latcheslockslinkages
3 complaints
Seats
3 complaints
Service Brakes Hydraulicantilocktraction Controlelectronic Limited Slip
3 complaints
Service Brakes Hydraulicfoundation Componentsdiscrotor
3 complaints
Structure
3 complaints
Structurebodyhatchbackliftgatehinge And Attachments
3 complaints
Tiressidewall
3 complaints
Tirestreadbelt
3 complaints
Air Bagsfrontalsensorcontrol Module
2 complaints
Electrical System12v24v48v Battery
2 complaints
Electrical Systemwiringinteriorunder Dash
2 complaints
Engine And Engine Coolingenginegasoline
2 complaints
Equipment
2 complaints
Exterior Lighting
2 complaints
Power Traindrivelinedifferential Unit
2 complaints
Service Brakes Hydraulicfoundation Componentshoses Linespiping And Fittings
2 complaints
Steeringgear Boxshaft Sector
2 complaints
Steeringhydraulic Power Assist System
2 complaints
Suspensionfront
2 complaints
Trailer Hitches
2 complaints
Unknown Or Other
2 complaints
Visibility
2 complaints
Visibilitysunmoon Roof Assembly
2 complaints
Air Bagssidewindow
1 complaint
Electrical System12v24v48v Batterycables
1 complaint
Electrical Systemignitionswitch
1 complaint
Electronic Stability Control Esc
1 complaint
Equipmentelectricalradiotape Deckcd Etc
1 complaint
Exterior Lightingheadlights
1 complaint
Forward Collision Avoidance Automatic Emergency Braking
1 complaint
Fuel System Gasoline
1 complaint
Fuel System Gasolinedeliveryhoses Linespiping And Fittings
1 complaint
Fuel System Gasolinestoragetank Assembly
1 complaint
Fuel System Otherstoragefuel Gauge System
1 complaint
Fuelpropulsion System
1 complaint
Parking Brake
1 complaint
Parking Brakeconventionalmechanicallinkage And Cable
1 complaint
Power Trainautomatic Transmissiongear Position Indication Prndl
1 complaint
Power Trainautomatic Transmissionlever And Linkagecolumn Shift
1 complaint
Power Trainaxle Assembly
1 complaint
Seat Beltsfrontbuckle Assembly
1 complaint
Seat Beltsfrontretractor
1 complaint
Seatsfront Assemblypower Adjust
1 complaint
Seatsfront Assemblyrecliner
1 complaint
Seatsmidrear Assembly
1 complaint
Service Brakes Hydraulicfoundation Componentsdisccaliper
1 complaint
Service Brakes Hydraulicpower Assist
1 complaint
Service Brakes Hydraulicpower Assisthydraulichoses Linespiping And Fittings
1 complaint
Steeringlinkages
1 complaint
Steeringlinkagestie Rod Assembly
1 complaint
Structureframe And Members
1 complaint
Vehicle Speed Controlcruise Control
1 complaint
Visibilitydefrosterdefoggerhvac Systemrear Window
1 complaint
Visibilitypower Window Devices And Controls
1 complaint
Visibilityrear Window Wiperwasher
1 complaint
Visibilitywindshield
1 complaint
Visibilitywindshield Wiperwasher
1 complaint
Wheels
1 complaint