SUZUKI: SUZUKI HAS REPLACEMENT OIL PUMPS THAT HAVE A THREADED PLUG. THE THREADED PROVES TO BE DIFFICULT TO REMOVE WITHOUT CAUSING DAMAGE TO THE NEW OIL PUMP. THIS BULLETIN PROVIDES PROCEDURES WHEN REPLACING THE OLD OIL PUMP.
full bulletin at NHTSA ↗2008 Suzuki Forenza engine problems
moderate Owners of the 2008 Suzuki Forenza have filed 6 NHTSA complaints about the engine at roughly $3,100 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
Complaints
6
Recalls
0
Avg fix
$3,100
| Model year | engine complaints |
|---|---|
| 2005 Forenza | 13 |
| 2006 Forenza | 26 |
| 2007 Forenza | 27 |
| 2008 Forenza (this page) | 6 |
When does it fail?
Of the 6 engine complaints filed for the 2008 Suzuki Forenza, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Of the 4 model years of Suzuki Forenza we track for engine problems, this one has the fewest owner complaints on file (6).
No new NHTSA engine complaint has been filed on this vehicle in over 15 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
SUZUKI VEHICLE: COUNTER MEASURE PROCEDURE FOR DTC P2135. MIL LIGHT IS ON; DTC P2135 STORED WITHOUT FULLY CHECKING SYSTEM AND CIRCUITS AFTER REPAIRS AND/OR REPLACEMENT TO THROTTLE BODY.
full bulletin at NHTSA ↗SUZUKI: A/C LEAK CHECK AT SUCTION HOSE WHICH NO LONGER REQUIRED TO BE REPLACED. A/C MAY NOT BE GETTING AS COLD AS USUAL OR MAY NOT COOL AT ALL. MODELS FORENZA, FORENZA WAGON, RENO (RQ420).
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
Tl* the contact owns a 2008 Suzuki forenza. The contact stated that when driving at various speeds, the vehicle would exhibit an unusual jerking sensation and a misfire. The vehicle was taken to the dealer to be inspected and they informed her that she would need to have the catalytic converter replaced. The dealer was unable to repair the failure because part in stock. This failure recurred on…
Had engine trouble with your 2008 Suzuki Forenza?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2008 Suzuki Forenza?
It's a documented issue but not catastrophic. 6 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 6 complaints filed, engine issues most often appear around 55,213 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2008/Suzuki/Forenza.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.