There are 2 owner-reported engine complaints for the 2003 Isuzu Ascender in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2003 ISUZU ASCENDER. HE STATED THAT INTERMITTENTLY WHILE DRIVING 50 MPH THE "SES" AND "CHECK ENGINE" WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL, THEN THE VEHICLE STALLED. AS A CONSEQUENCE, THE RISK FOR A VEHICLE CRASH WAS INCREASED. THE VEHICLE WAS TOWED TO A DEALER AND REPAIRED TEN TIMES; HOWEVER, THE REPAIRS HAVE NOT REMEDIED THE FAILURE. THE VEHICLE IDENTIFICATION NUMBER WAS UNAVAILABLE. THE FAILURE AND CURRENT MILEAGES WERE UNKNOWN.
WHILE DRIVING THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS TOWED TO THE DEALER. THE DEALER DROVE THE VEHICLE OFF THE PREMISES AND IT STALLED. THE VEHICLE HAD TO BE TOWED BACK TO THE DEALERSHIP. THE DEALER HAS NOT BEEN ABLE TO DETERMINE THE CAUSE OF THE STALLING. *NM
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 Sep 8, 2026