HAD TO HAVE VALVE JOB DONE DUE TO BAD /DEFECTIVE/INFERIOR INTAKE VALVES, FROM MANUFACTURER. HAD TO HAVE ALL INTAKE VALVES REPLACED, WITH MODIFIED/UPGRADED INTAKE VALVES. OBTAINED PO300 - RANDOM MISFIRE CODES, HAD ROUGH IDLE, CHECKED ENGINE COMPRESSION, HAD 45PSIG IN CYLINDER NUMBER 4. ENGINE HAD 72862MILES, ON IT, THIS SHOULD BE COVERED UNDER WARRANTY BY SAAB/GM.
2008 Saab 9-3 engine problems
moderate 54 complaints filed with NHTSA · avg repair $3,100
Complaints
54
Recalls
0
Crashes
1
Avg fix
$3,100
What owners are reporting 5 most recent
COMPRESSION IN CYLINDER ONE IS NOT FIRING AT A FULL PSI PER MFG STANDARDS. IT'S CAUSING A COLD START ISSUE AND THE CAR BARELY TURNS OVER TO START WHEN IT'S NOT WARMED UP. *JS
VEHICLE DOESN'T START DUE TO LOW COMPRESSION ON COLD DAYS. CAR WILL LEAVE YOU STRANDED IN EXTREME TEMPS. *TR
AS IS THE CASE WITH MANY OTHER SAAB 9-3 BUILT AFTER 2006, MY DEALER'S SERVICE DEPARTMENT RECENTLY IDENTIFIED A PROBLEM WITH THE INTAKE VALVES IN MY VEHICLES ENGINE, WHICH HAS EXPERIENCED PREMATURE FAILURE AT 77,000 MILES. OTHER POSTINGS ON LINE LEAD ME TO BELIEVE THAT THIS IS MAJOR ISSUE AFFECTING THOUSANDS OF THESE VEHICLES BUILT BY GM IN YEARS 2007 AND LATER. THE CAUSE IS WIDELY KNOWN AND IS A…
JUST PURCHASE VEHICLE FROM A FRIEND 2008 SAAB 9-3 2.0T CONVERTIBLE . WHEN I FIRST START UP THE VEHICLE (IT IS NOW COLD OUTSIDE) THE ENGINE IS RUNNING RUFF UNTIL IT WARMS UP. I UNDERSTAND MANY OTHER SAAB 2008 OWNERS HAVE THE SAME COMPLAINT AND HAVE READ THAT THE INTAKE VALUES USED BY GM ARE FAULTY.
Common questions
How serious is the engine problem on the 2008 Saab 9-3?
It's a documented issue but not catastrophic. 54 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?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
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.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. 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.
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