THE FUEL DELIVERY SYSTEM HAS BEEN FAILING IN THE SAME MANNER THAT I HAVE SEEN MANY OTHER CADILLAC OWNERS HAVE GOTTEN REPAIRED THROUGH A RECALL ALREADY IN PLACE. EVERY SINGLE TIME I PUT GAS IN THE TANK THE CAR REFUSES TO TURN ON WITH THE FIRST ATTEMPT. THE ONLY WAY TO GET THE CAR TO TURN ON IS AFTER MULTIPLE ATTEMPTS AND FINALLY ENOUGH FUEL GETS DELIVERED TO THE SYSTEM. SIMILARLY, THE CAR WILL HESI…
2006 cadillac STS engine problems
severe 18 complaints filed with NHTSA · avg repair $3,100
Complaints
18
Recalls
0
Crashes
2
Avg fix
$3,100
What owners are reporting 2 most recent
THE CAR SPARK PLUGS KEEP GOING OUT AND THE CAR IS MAKE A CLICKING NOISE IT IS SILENDER 1 AND 3.
Common questions
How serious is the engine problem on the 2006 cadillac STS?
It's a meaningful issue. 18 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
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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