RoadVitals

2008 Cadillac Sts Engine Problems

Owner-reported complaints naming the engine system, filed with NHTSA

Data refreshed

Engine reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
11
Latest Jun 27, 2025
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
22%
of 50 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
0
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components. Every record below is an owner-reported complaint about the 2008 Cadillac Sts submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 11 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming engine

Shown in the owner’s own words, exactly as filed

Engine
Filed Jun 27, 2025

Dealership had ownership of car and should have replaced the timing chain before selling car to me, which they did not and after time for repairs to be done before time ran out, I had to pay for repairs, causing me be be out $3000+ dollars for repairs should have been covered by the warranty.

NHTSA ID
11669621
Incident
Jul 2, 2016
Engine
Filed Dec 13, 2021

The Cadillac Company sent me a letter several years ago informing me of a premature timing chain wear and the illumination of the Service Engine light. They knew about this defective engine problem but they did not recall the vehicle. Instead they extended the engine warranty to 10 years or 120,000 miles. I have only 90,000 miles on my vehicle but I've owned it for over 10 years and now the check engine light is illuminated. The Cadillac dealer refuses to extend the warranty. This is a safety issue because if the engine were to fail the driver would also lose power steering and power brakes putting the safety of the vehicle occupants and others at risk. I believe that this vehicle and other GM vehicles with the 3.6 liter engine should be recalled and repaired at no cost to the vehicle owner.

NHTSA ID
11443623
Incident
Nov 25, 2021
Engine
Filed Feb 15, 2019

TL* THE CONTACT OWNS A 2008 CADILLAC STS. WHILE DRIVING 65 MPH ON THE HIGHWAY, THE VEHICLE STALLED AND THE CHECK ENGINE INDICATOR ILLUMINATED. THE CONTACT WENT TO AN INDEPENDENT MECHANIC WHERE THE FAILURE COULD NOT BE DIAGNOSED; HOWEVER, THEY TURNED OFF THE CHECK ENGINE INDICATOR. THE CONTACT ALSO STATED THAT THE TIMING CHAIN MALFUNCTIONED AND THE VEHICLE COULD NOT EXCEED 25 MPH. THE FAILURE PRODUCED ERROR CODES 08, 09, 16, 17, 18, AND 19. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE DEALER AND MANUFACTURER WERE NOT CONTACTED. THE FAILURE MILEAGE WAS 80,000.

NHTSA ID
11180212
Incident
Nov 1, 2017
Mileage
80,000 mi
EngineFuel systemPowertrain (other)
Filed Sep 20, 2017

RECALL.I AM AN ACTIVE DUTY SAILOR AND MISSING SEVERAL NOTICES OF THE INTIAL RECALL.....ENGINE REDUCTION OF POWER IN THE MIDDLE OF THE INTERSTATE...PREMATURE TIMING CHAIN WEAR REPROGRAM ENGINE CONTROL MODULE...WHILE DRIVING THE CAR COMPLETELY LOST POWER AND WOULD NOT GO OVER 15MPH....THIS HAPPENED ON A BUSY I-10 INTERSTATE...IS THERE AWAY TO REOPEN THIS RECALL.

NHTSA ID
11024670
Incident
Sep 19, 2017
Mileage
130,000 mi
Engine
Filed May 9, 2017

ENGINE BLOCK DETERERATING FROM INSIDE OUT. LEEKING FLUID. ALL SERVICES MADE AND CAR HAS NEVER OVERHEATED. SERVICED BY RELIABLE CADILLAC, ROSEVILLE CA

NHTSA ID
10984500
Incident
Apr 1, 2017
Mileage
92,000 mi
Engine
Filed Jan 14, 2017

PURCHASED VEHICLE 11- 2011 (65,498) 10-(2012) FIRST CK ENGINE LIGHT ISSUE AND EVERY YEAR SINCE THEN I'VE TAKEN IT BACK TO THE DEALERSHIP SERVICE FOR CK ENGINE LIGHT LAST THREE YEARS 2014-THRY-16 NOW 17 THE VEHICLE SHUTS OFF WHILE I'M DRIVING OR SITTING WAITING FOR THE TRAFFIC LIGHT TO CHANGE THIS IS A ISSUE FOR ME BECAUSE I'M WORRIED ABOUT GETTING REAR ENDED MY VEHICLE IS IN THE KERBECK CADILLAC SERVICE DEALER SINCE 1/19/2017 FOR THE SAME ISSUE CHECK ENGINE LIGHT CAME ON AND PARK TO SHIFT I'VE COMPLAIN TO GM CUSTOMER SERVICE AND CASE NUMBER ON THIS ISSUE , BUT THEY CAN'T SEEM TO FIX THEIR OWN VEHICLE IN THE MEAN TIME I', STILL PAYING FOR A UNSAFE VEHICLE , IF THE MAKER OF THE CAR CAN'T CORRECT THEIR OWN ISSUE THEN WHO CAN, WHY DOES ISSUE HAVE TO FALL IN THE CONSUMER LAP ? WHY DO I HAVE TO DRIVE AND PAY FOR THIS UNSAFE VEHICLE. NO-ONE WANTS TO CORRECT THIS ISSUE WHY KEEP GIVING ME THAT CT BACK IF THEY CAN'T CORRECT THIS SAFETY ISSUE ,THEY KEEP BLAMING IT ON THE MILEAGE THEN WHY SELL THESE VEHICLE WITH THE OUTRAGE PRICE TAGS KNOWING THAT IT THAT BE A SAFETY ISSUE IN A FEW YEARS ONCE THE VEHICLE IS OVER 100,000 MILES I'VE HAD THE VEHICLE FOR FIVE YEARS (JUST PUT APPROX ANOTHER 66,000 MILES, SO THEY ARE USING THIS AS EXCUSE THEN DON'T SELL CARS WITH HIGH MILES . THEY SHOULD THINK ABOUT CONSUMER SAFETY NOT JUST THE MONEY. IN THE BEGINNING THE VEHICLE WOULD BE STATIONARY THEN YEARS PASS WHILE CAR IS IN MOTION CITY DRIVING.

NHTSA ID
10945231
Incident
Jan 10, 2017
Mileage
121,361 mi
Engine
Filed Dec 8, 2016

CHECK ENGINE LIGHT ON VEHICLE START SHUTTING DOWN WHILE VEHICLE WAS IN MOTION ON A PA INTERSTATE AND ON A CITY STREET THIS HAS HAPPENED ON SERVAL OCCASION , THEN THE PARK TO SHIFT LIGHTS COMES ON AND THE VEHICLE AT THAT TIME IS UNABLE TO SHUT OFF. AT LEASE THREE TIME THIS YEAR 2016 (APR#7TH OCT 26TH AND NOV 3RD EACH TIME THE VEHICLE HAD TO BE TOWED, APPROX SIX TIME SINCE I PURCHASED THE VEHICLE IN NOV 2011.

NHTSA ID
10933939
Incident
Nov 3, 2016
Mileage
120,168 mi
EngineFuel system
Filed Nov 25, 2016

TL* THE CONTACT OWNS A 2008 CADILLAC STS. WHILE DRIVING APPROXIMATELY 45 MPH, THE ENGINE STALLED WITHOUT WARNING. THE VEHICLE RESTARTED, BUT THE FAILURE RECURRED NUMEROUS TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 14V542000 (FUEL SYSTEM, GASOLINE). THE FAILURE MILEAGE WAS APPROXIMATELY 150,000.

NHTSA ID
10927880
Incident
Nov 21, 2016
Mileage
150,000 mi
EngineFuel systemPowertrain (other)
Filed Nov 16, 2012

I PURCHASED THIS CAR IN JANUARY OF 2010 FROM APPLE CHEVROLET CADILLAC LOCATED IN YORK PA. WHEN I PURCHASED THIS CAR I BOUGHT IT USED HOWEVER IT STILL HAD THE REMAINING MANUFACTURES POWERTRAIN WARRANTY. IT HAD 51,554 MILES ON IT AT THE TIME OF PURCHASE. ON FEB 9, 2011 I REPORTED TO HERITAGE CADILLAC IN BELAIR MD. THAT I HAD AN ISSUE WITH THE CHECK ENGINE LIGHT COMING ON AND THAT I WANT TO HAVE THAT TAKE CARE OF BEFORE THE WARRANTY RAN OUT. WHEN I TOOK THE CAR THERE I WAS TOLD THAT SINCE THE LIGHT HAD WENT OUT BEFORE I GOT THERE, THERE WAS NO WAY THEY COULD TELL WHAT WAS WRONG WHICH I FOUND OUT TO BE FALSE BECAUSE MONTHS LATER THEY WERE IN FACT ABLE TO CHECK IT WITH THE CHECK ENGINE LIGHT BEING OFF. TO MAKE A LONG STORY SHORT, SINCE THE FIRST INCIDENT I HAVE TAKE MY CAR BACK TO HERITAGE CADILLAC 10 TIMES FOR THE SAME PROBLEM AND I HAVE PAID THEM $4,212.08 (TO MAINTAIN AND ALLEGEDLY REPAIR THE PROBLEM OF THE CHECK ENGINE LIGHT) TODAY IS NOVEMBER 15, 2012 AND THE LIGHT IS STILL ON. I HAVE BEEN TOLD THAT THEY DON'T REALLY KNOW WHAT IS WRONG AND THAT THEY HAD TO CONTACT A CADILLAC MANUFACTURE TO GET INFORMATION BUT I WILL HAVE TO PAY ANOTHER $3,100 TO FIX THE PROBLEM WHICH MAY BE FUEL INJECTORS AND A TRANSMISSION CONTROL MODULE. I FEEL THAT MY WIFE AND I HAVE BEEN AND ARE BEING TAKE ADVANTAGE OF IN THIS SITUATION BY A CERTIFIED CADILLAC SERVICE CENTER. THIS PROBLEM SHOULD HAVE BEEN RESOLVED WHEN I FIRST BROUGHT IT TO THEIR ATTENTION WHEN THE CAR WAS STILL UNDER WARRANTY. *TR

NHTSA ID
10484877
Incident
Feb 9, 2011
Mileage
93,959 mi
Engine
Filed Oct 28, 2009

TL* THE CONTACT OWNS A 2008 CADILLAC STS. WHILE DRIVING APPROXIMATELY BETWEEN 55-60 MPH ON NORMAL ROAD CONDITIONS; THE "ENGINE" WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSTIC TESTING. THE TECHNICIAN WAS UNABLE TO DUPLICATE THE FAILURE. RECENTLY, THE VEHICLE WAS TAKEN TO AN AUTHORIZE DEALER FOR INSPECTION FOR AN IDENTICAL FAILURE. THE FAILURE MILEAGE WAS 3,200. THE CURRENT MILEAGE WAS 3,400. UPDATED12/11/09 *BF UPDATED 12/14/09.*JB

NHTSA ID
10290128
Incident
Oct 23, 2009
Mileage
3,200 mi
Engine
Filed Apr 10, 2008

2008 CADILLAC SEVILLE WITH SEVERAL PROBLEMS. CONSUMER STATES THAT THESE ARE SOME OF THE PROBLEMS. MOLDINGS WERE NOT INSTALLED, CHECK ENGINE LIGHT ILLUMINATED, CATALYTIC CONVERTER, RPM'S RAN HIGH, AND HAD AN ODD ODOR. *KB THE ENGINE LIGHT ILLUMINATING WAS DUE TO A BAD CATALYTIC CONVERTER. *JB

NHTSA ID
10225053
Incident
Mar 23, 2008

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Other components reported on this vehicle

Categories with enough reports to have a page of their own

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .