2004 Isuzu ASCENDER problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
64 owner complaints analyzed
1 distinct recall campaigns
80,000 mi median reported failure mileage
Scope: 2004 model year. Data snapshot: . 51 complaints include usable failure mileage.
Most common problems
Electrical System is the most frequently named component, appearing in 23 of 64 complaints (35.9%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Fuel system concerns | 12 | 18.8% |
| Electrical and battery issues | 8 | 12.5% |
| Braking behavior | 4 | 6.3% |
| Transmission and shifting | 3 | 4.7% |
| Engine operation | 2 | 3.1% |
| Steering behavior | 1 | 1.6% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Electrical System | 23 |
| Electrical System: Instrument Cluster/Panel | 11 |
| Fuel System, Gasoline | 8 |
| Fuel/Propulsion System | 7 |
| Exterior Lighting | 5 |
| Engine | 4 |
| Power Train | 2 |
| Seat Belts:Front | 2 |
Electrical System: 23; Electrical System: Instrument Cluster/Panel: 11; Fuel System, Gasoline: 8; Fuel/Propulsion System: 7; Exterior Lighting: 5; Engine: 4; Power Train: 2; Seat Belts:Front: 2
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 7 |
| 25,000 to 49,999 | 9 |
| 50,000 to 74,999 | 6 |
| 75,000 to 99,999 | 11 |
| 100,000 to 149,999 | 14 |
| 150,000 and above | 4 |
Under 25,000: 7; 25,000 to 49,999: 9; 50,000 to 74,999: 6; 75,000 to 99,999: 11; 100,000 to 149,999: 14; 150,000 and above: 4
100,000 to 149,999 miles has the most reports with usable mileage (14). 13 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2004 | 5 |
| 2005 | 4 |
| 2006 | 4 |
| 2007 | 4 |
| 2008 | 6 |
| 2009 | 4 |
| 2010 | 3 |
| 2011 | 5 |
| 2012 | 4 |
| 2013 | 7 |
| 2014 | 3 |
| 2015 | 8 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 1 |
2004: 5; 2005: 4; 2006: 4; 2007: 4; 2008: 6; 2009: 4; 2010: 3; 2011: 5; 2012: 4; 2013: 7; 2014: 3; 2015: 8; 2016: 5; 2017: 1; 2018: 1
Pattern summary
Electrical System leads the component reports. Fuel system concerns appears in 12 complaint narratives. Electrical and battery issues appears in 8 complaint narratives. Braking behavior appears in 4 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10193866 · 2007-06-20 (June 20, 2007)
ENGLISH: PLASTIC GAS TANK BROKE IN THE CONNECTION TO THE PIPE OR HOSE WHEN ENTERING THE GASOLINE TO THE GAS TANK. SPANISH : LA CONECCION DEL TANQUE CON EL TUBO O MANGA POR DONDE ENTRA LA GASOLINA AL TANQUE DE GASOLINA DE ISUZU ASCENDER SE ROMPE CREANDO PROBLEMA DE DERRAME DE GASOLINA SI SE LLENA EL TANQUE. EL TANQUE ES PLASTICO. EN EL DEALER EL TECNICO INDICA QUE ESTO SYA A SUCEDIDO VARIAS VECES CON OTRAS UNIDADES PERO QUE LA GARANTIA CUBRE SIEMPRE Y CUANDO TENGA MENOS DE 2 ANOS O 24,000MILLAS. ESTO ES UN RIEGO SEVERO A LA SEGURIDAD Y PUEDE…
Owner-reported narrative. 16,400 miles reported. Look up ODI 10193866 at NHTSA ↗
Owner report 10254243 · 2009-01-08 (January 8, 2009)
MY CHECK ENGINE LIGHT CAME ON AND I TOOK IT IN TO HAVE A DIAGNOSTIC CHECK AND I WAS INFORMED THAT MY 2004 ISUZU ASCENDER HAD A CRACK IN THE GAS TANK DUE TO FAULTY EQUIPMENT. THERE ARE GAS FUMES IN THE CAR AS WELL. I CONTACTED THE MANUFACTURER WHO STATES THAT THERE ARE BULLETINS FOR THIS PROBLEM FOR THE 2003 AND 2004 ASCENDERS HOWEVER MY VEHICLE WILL NOT BE COVERED. *TR
Owner-reported narrative. 75,853 miles reported. Look up ODI 10254243 at NHTSA ↗
Owner report 10125759 · 2005-06-20 (June 20, 2005)
DT: WENT TO START THE VEHICLE AND IT WOULDN'T START BECAUSE LIGHT IN DASHBOARD WOULD SAY UNKNOWN DRIVER,. ACCORDING TO THE DEALER THE FIRST TIME IT WAS THE WIRING. SECOND TIME SAID IT WAS THE IGNITION, AND PUT IN A NEW IGITION. FOR 3 NIGHTS AFTER GETTING IT BACK IT WOULDN'T START AT ALL. WAS TOWED TO THE DEALER AGAIN.*AK
Owner-reported narrative. 2,000 miles reported. Look up ODI 10125759 at NHTSA ↗
Owner report 10149740 · 2006-01-23 (January 23, 2006)
THE RADIO, ANTI THEFT DEVICE, REMOTE DOOR LOCKS AND TAIL LIGHTS DID NOT FUNCTION PROPERLY IN THE CONSUMER'S 2004 ISUZU ASCENDER. *TS THE VEHICLE HAS BEEN AT THE SERVICE DEALER SINCE DEC 16, 2005 AND THE CONSUMER WAS NOT GIVEN A TIME FRAME FOR REPAIRS. THE TECHNICIAN INDICATED THAT THE PROBLEM SEEMED TO BE WITH THE MULTI-RELAY AND ELECTRICAL SYSTEM. *NM
Owner-reported narrative. Look up ODI 10149740 at NHTSA ↗
Owner report 10126560 · 2005-06-25 (June 25, 2005)
I OWN A 2004 ISUZU ASCENDER. THERE HAS BEEN A HOST OF PROBLEMS THAT I HAVE HAD TO DEAL WITH IN THE MINIMAL 10 MONTHS THAT I HAVE OWNED THE VEHICLE. TWO OF THE PROBLEMS HAVE YET TO RECEIVE ANY TYPE OF FIX FROM THE LOCAL ISUZU SERVICE CENTER. THE FIRST PROBLEM WAS THE BELT SCREAMING EVERY DAY. I TOOK THE VEHICLE IN THREE TIMES FOR THE BELT AND THEY FINALLY FIXED IT. THE SECOND PROBLEM IS ALL FOUR DOOR WINDOWS. DEBRIS CONSISTENTLY MAKES ITS WAY INTO THE DOOR AND ANY TIME I ROLL DOWN OR ROLL UP MY WINDOWS MY WINDOWS GET SEVERLY SCRATCHED. I A…
Owner-reported narrative. 11,250 miles reported. Look up ODI 10126560 at NHTSA ↗
Owner report 10198503 · 2007-08-04 (August 4, 2007)
THE TIRE FAILURE OCCURRED WHILE DRIVING EASTBOUND I-10 IN THE RIGHT LANE, APPROX. 40 MILES WEST OF PHOENIX AZ. THE LOCAL TIME WAS APPROX. 3:30 PM. OUTSIDE TEMP. WAS 102 F ACCORDING TO THE VEHICLE'S THERMOMETER. THE VEHICLE WAS NORMALLY LOADED, & WAS INSPECTED PRIOR TO DEPARTING ON THE TRIP - INCLUDING TIRE PRESSURE & TREAD WITHIN SPECIFICATIONS. MY WIFE WAS DRIVING AT 75 MILES PER HOUR WHEN WE BOTH SENSED AN ABNORMAL VIBRATION FROM THE REAR OF THE VEHICLE. THE SENSATION WAS SIMILAR TO DRIVING OVER HEAVILY GROOVED CONCRETE. MY WIFE ASKED WH…
Owner-reported narrative. 32,000 miles reported. Look up ODI 10198503 at NHTSA ↗
Owner report 10302613 · 2010-01-27 (January 27, 2010)
TL*THE CONTACT OWNS A 2004 ISUZU ASCENDER. THE CONTACT STATED AS HE WAS DRIVING 25 MPH COMING TO A STOP SIGN ,SUDDENLY THE VEHICLE ACCELERATED ALMOST HITTING THE VEHICLE IN FRONT OF HIM. THE CONTACT TOOK THE VEHICLE TO THE DEALER AND INFORM THEM OF THE FAILURE. THE DEALER WAS UNABLE TO DUPLICATE THE FAILURE. THE CONTACT STATED THAT THIS FAILURE HAPPENS FREQUENTLY. HE TOOK THE VEHICLE TO THE DEALER MULTIPLE TIMES AND THE DEALER WAS UNABLE TO DUPLICATE THE FAILURE. THE CONTACT HAS NOT CALLED THE MANUFACTURE. THE FAILURE MILEAGE WAS 45,000. U…
Owner-reported narrative. 45,000 miles reported. Look up ODI 10302613 at NHTSA ↗
Owner report 10512477 · 2013-05-17 (May 17, 2013)
THERE HAS BEEN UNGOING ELECTRICAL ISSUES SINCE BUYING THIS VEHICLE NEW. THE HEADLIGHTS HAVE STOPPED WORKING AND THERE IS AN INTERMITTENT PROBLEM WITH THE LIGHTS AND THE INTERNAL CHIME. SOMETIMES THE LIGHTS DON'T COME ON OR THE CHIMES CAN NOT BE HEARD AND THEN IT IS WORKING PROPERLY AGAIN. THE ENGINE IN THE VEHICLE IHAD TO BE OREPALCED JUST BEFORE IT WENT TO 60000 MILES SO, IT HAS AN 2005 ENGINE. THIS ENGINE HAS A HARD REVV WHEN SHIFTING GEARS. THERE ARE GAS FUMES COMING INTO THE CABIN. THE VEHICLE HAS BEEN TAKEN TO THE MECHANIC SEVERAL TIMES A…
Owner-reported narrative. 145,000 miles reported. Look up ODI 10512477 at NHTSA ↗
Owner report 10308767 · 2010-02-11 (February 11, 2010)
THE COMPUTER SYSTEM OF THE VEHICLE IS BROKEN DOWN. THE SPEEDOMETER JUMPS FROM 0 MPH TO 120MPH AND NEVER SHOWS THE CORRECT SPEED. AIRBAG SIGN FLICKERS AND TURNS ON AND OFF AT TIMES. THE GEAR STICK JAMS ON ONE MODE AND CAR STARTS STALLING. DEALERSHIP DOESN'T WANT TO ACCEPT IT AS A LEMON CAR THAT IS EATING AWAY OUR MONEY. AND WANTS THOUSANDS OF DOLLARS TO FIX THE PROBLEM. *TR
Owner-reported narrative. Look up ODI 10308767 at NHTSA ↗
Owner report 10568747 · 2014-03-12 (March 12, 2014)
TL* THE CONTACT OWNS A 2004 ISUZU ASCENDER. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 5 MPH, THE ENGINE STALLED WITH THE WARNING INDICATOR ILLUMINATED. THE VEHICLE RESTARTED AND RESUMED IN OPERATION. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOUR SEPARATE OCCASIONS WHERE THE IGNITION SWITCH WAS REPLACED EACH TIME. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 30,000. *TR
Owner-reported narrative. 30,000 miles reported. Look up ODI 10568747 at NHTSA ↗