2005 Isuzu Ascender Engine Problems
- Complaints
- 1about this part
- Share
- 2%of 64 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2005 Isuzu Ascender, 2% of the 64 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2005 Isuzu Ascender. While driving various speeds, the vehicle made a loud abnormal noise underneath the hood of the vehicle. The wires on the driver side headlights melted. The contact took the vehicle to a certified mechanic who diagnosed that the intake manifold gasket was fractured and the headlights failed, all of which needed to be replaced. The vehicle was repaired a total of three times for the intake manifold gasket and twice for the headlights within the past three years; however, the failure recurred. The manufacturer was not made aware of the failure. …”
NHTSA complaint #10916050, filed 2016-10Related service bulletins
- 10137601May 17, 2017This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on engine surfaces.
- 10099252Sep 9, 2016This preliminary information communication provides information to the technician about vehicles that have a malfunction indicator lamp on or engine misfire, rough idle, extended…
Engine: other model years
Other parts of the 2005 Isuzu Ascender
27 complaintsFuel system
24 complaintsAir bags
9 complaintsExterior lighting
5 complaintsVehicle speed control
4 complaintsEngine cooling
3 complaintsTransmission and drivetrain
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsSteering
2 complaintsBrakes
1 complaintsSuspension
1 complaintsTires
1 complaints
← All problems reported for the 2005 Isuzu Ascender
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology