2008 Chevrolet Impala Power Train

At a complete stop, press the gas to go and the car will not go. Kind of like its struggling to catch gear and then all of a sudden it with catch jerk hard. That's an issue for a few reasons. If you have to pull out for somewhere that traffic doesn't stop or yield, and the car is barley rolling trying to catch gear, there's the risk of getting hit. When the gear catches, and the jerk happened it's not a small jerk, i feel it's a safety hassard to small children. When my son was 4 months old it started and it jerked him pretty hard. My mother in law is the original owner and had it checked several times with no resolution.

The gas petal sensor is reading a code P2138 (Accelerator Petal Position Sensors 1-2 not plausible). My father has changed the petal not once but twice and erased the code but it keeps coming back. Also getting a p0172 code as well. A Cheverolet dealership has been called and the representative rushed me off phone saying there was not recall for the car. Car was taken to an Autozone and the codes were still coming up. Engine warning light goes off and on every 3 to 4 days after being cleared, then will get a reduced engine power message will appear. Messages warning lights and symptoms started 3 months ago.

When I turn the ignition key and start my car engine, I then shift the automatic transmission into “drive”, but there is no forward acceleration power, and I have no idea why this is.

I HAVE DAD MY TRANSMISSION REBUILT AND THE SOLENOIDS KEEP GOING OUT THIS WILL BE THE THIRD TIME I WILL BE GETTING THEM REPLACED, I HAVE NOT HAD AN OPERATING VEHICLE FOR A WEEK NOW AND I JUST HAVE WAIT TO SAVE UP TO HAVE THEM REPLACED.

WHEN DRIVING IT STATED NOT TO PICK UP SPEED THEN INBOXES I COULDN'T GO ANYMORE I TURN IT OFF THEN BK ON AND I PUT IT ON DRIVE. AND IT WENT INTO REVERSE SO I TURNED IT OFF WAITED A LITTLE AND THEN TIERED IT BACK ON AND IT PICKED UP A LITTLE SPEED (5MPH) AND I KEPT HAVING TO TURN IT OFF N ON TILL I MADE IT HOME. AFTER I HAVEN'T DROVE IT. THE ONLY GOOD THING WAS THAT IT HAPPENED ON MY BACK RODE TO MY APT. (LESS CARS)

WHEN TAKING OFF FROM STOP THE CAR HESITATES AND JERKS HARD AND SOMETIMES 10 TO 15MPH WILL QUIT ACCELERATING AND THEN JERK THEN TAKES OFF. STATE HIGHWAY.

TRANS HAS A PROBLEM SHIFTING INTO GEAR THE RIGHT WAY, HAD IT SERVICE 4 TIMES AN NOW THE CAR SITS IN DRIVE WAY, PROBLEM STARTED LAST YEAR 2017 GM NEEDS TO HELP OUT WITH THIS PROBLEM PERIOD.

STARTED FORWARD FROM FULL STOP AT A TRAFFIC SIGNAL HEARD LOUD BANG CAR REVERSED DIRECTION AND IMPACTED CAR BEHIND IT

WHEN STARTING FROM A STOP, THE CAR WILL SOMETIMES INITIALLY MOVE FORWARD SLOWLY AND THEN SUDDENLY LAUNCH FORWARD ABOUT 3-5 SECONDS AFTER APPLYING THE ACCELERATOR. IT IS ALSO GIVING A TRACTION LOST INDICATOR WHEN I MAKE SHARP TURNS FROM A STOP AND IT SOUNDS AS IF THERE IS SLIPPING FROM THE FRONT END. REMEDY FOR THIS IS TO BACK OFF THE SHARP TURN SLIGHTLY AND ONCE THE CAR IS ROLLING TURN THE WHEEL MORE SHARPLY.

TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. WHILE THE VEHICLE WAS STATIONARY, IT BECAME STUCK IN THE NEUTRAL GEAR. THE VEHICLE WAS TOWED. THE DEALER AND MANUFACTURER WERE NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 214,000.

TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 65 MPH, THE GEAR SHIFTER WOULD INDEPENDENTLY SHIFT INTO NEUTRAL AND STARTED TO JERK. THE CONTACT RESTARTED THE VEHICLE BUT THE SHIFT LEVER FAILED TO MOVE FROM THE PARK POSITION WITHOUT ANY WARNING. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE GEAR SHIFT WIRING WAS FRACTURED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 210,000.

TRANSMISSION PROBLEMS VEHICLE JERKS HARD AFTER COMING FROM A COMPLETE STOP. THIS IS A SAFETY ISSUE ON THIS VEHICLE. THIS SAFETY ISSUES CAN BE A DANGER IF VEHICLE IS OUT IN THE MIDDLE OF ON COMING TRAFFIC. THIS IS A MAJOR PROBLEM AND HAS A ISSUES ON MOST CHEVROLET IMPALAS. THIS PROBLEM HAS ACCORD IN MOVING TRAFFIC. THIS PROBLEM ACCORD THE SECOND MONTH AFTER VEHICLE WAS BOUT FROM DEALERSHIP. DEALERSHIP SAYS THERE IS NO WARRANTY ON VEHICLE

THE VEHICLE JERKS AFTER TAKE OFF FROM A STOP AND LOSES SPEED IN TRAFFIC.

TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. THE CONTACT STATED THAT THE TRANSMISSION GEARS HESITATED TO CHANGE AND THE GEARS WERE SLIPPING. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.

I WAS ON THE 10 FREEWAY IN LOS ANGELES HEADING WEST IN THE FAR LEFT LANE DOING 65 MILES AN HOUR ALL THE SUDDEN MY CAR LOST POWER DROP DOWN TO 10 MILES AN HOUR WAS ALMOST REAR ENDED. THE ENGINE POWER REDUCED MESSAGE APPEARED ON MY DASHBOARD. I CONTACTED THE DEALERSHIP THEY TOLD ME THERE WAS NOTHING THEY CAN DO I CONTACT A GM THEY SAID THEY COULDN'T DO NOTHING I WAS READING ON THEIR BLOGS THIS IS AN ONGOING ISSUE WITH MULTIPLE PEOPLE SO THE YEAH THIS IS A BIG SAFETY CONCERN AND SEEMS TO BE A MANUFACTURING ISSUE. PLEASE HELP!

WHEN TAKING OFF THE VEHICLE WOULD JERK INTO GEAR AFTER A SLIGHT SPUTTER. YOU HAVE TO LET THE TRANSMISSION GET FULLY HOT (RUNNING FOR 10-15 MINUTES EVEN ON A HOT DAY) FOR IT NOT TO JERK WHEN PULLING OFF OR LET IT SLIGHTLY COAST BEFORE GIVING GAS TO KEEP FROM JERKING. ONCE IT'S GOOD AND HOT I HAVE NOT SEEN ANY OTHER PROBLEMS.

THE TRANSMISSION SLIPS AND WILL NOT ALLOW THE CAR TO SPEED UP WHEN TAKING OFF FROM A DEAD STOP. IT WILL THEN SUDDENLY REV UP AND TAKE OFF OR THE WHEELS WILL SPIN. THIS HAS HAPPENED MANY TIMES IN A DAY AND THEN BE FINE FOR A FEW DAYS. IT WORKS FINE IF SHIFTED MANUALLY. VERY DANGEROUS WHEN CROSSING INTERSECTIONS AND NOT KNOWING IF THERE WILL BE ANY POWER TO ACCELERATE. THE SUDDEN JERK IS HARD TO DEAL WITH IN THE WISCONSIN SLIPPERY WEATHER CONDITIONS. I HAVE SEEN MANY COMPLAINTS ON THE WEB FOR THE SAME ISSUE. *TR

TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. AFTER THE VEHICLE WAS SHUT OFF AND PARKED, THE CONTACT RESTARTED THE VEHICLE BUT THE SHIFT LEVER FAILED TO MOVE FROM THE PARK POSITION. IN ADDITION, THE ENGINE WARNING INDICATOR ILLUMINATED. THE FAILURE OCCURRED TWICE. THE DEALER STATED THAT THE GEAR SHIFT WIRING WAS FRACTURED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED AND THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS 94,029. UPDATED 10/22/14*CN UPDATED 4/7/2015 *JS

TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. THE CONTACT STATED THAT THE VEHICLE FAILED TO SHIFT INTO PARK AND THE KEY BECAME LODGED IN THE IGNITION. THE VEHICLE WAS TAKEN TO THE DEALER. THE TECHNICIAN DIAGNOSED THAT THE GEAR SHIFTER CABLE WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 105,000.

TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. THE CONTACT STATED THAT WHEN DEPRESSING THE BRAKE PEDAL, THE VEHICLE JERKED WITHOUT WARNING. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 66,460.

TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. WHILE DRIVING APPROXIMATELY 5 MPH, THE VEHICLE JERKED WHEN THE ACCELERATOR PEDAL WAS DEPRESSED. THE FAILURE OCCURRED MULTIPLE TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT RECEIVED A RECALL NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM); HOWEVER, THE PARTS NEEDED FOR THE REPAIR WERE UNAVAILABLE. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS UNAVAILABLE.

TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. THE CONTACT STATED THAT THE GEAR SHIFT WAS STUCK IN THE PARK POSITION AND COULD NOT SHIFT OUT OF GEAR. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT REFERENCED NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM), BUT COULD NOT CONFIRM IF THE VEHICLE WAS INCLUDED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.

AFTER DRIVING MY CAR TO THE STORE I PULLED UP TO PARK MY CAR. AFTER I CAME BACK TO GET INTO IT THE SHIFTER WOULD NOT DISENGAGE AT ALL. I WAS STRANDED. I WAS TOLD IT WAS A COMMON AND WELL KNOWN ISSUE WITH CHEVROLET IMPALA MODELS. AFTER CONTACTING GM THEY TOLD ME THEY WERE SORRY AND THERE IS NOTHING THEY CAN DO ABOUT IT. I'M STILL WAITING TO SEE WHAT TRICKS THIS CAR DOES NEXT. I NOW BELIEVE IT IS POORLY MADE AND I WILL NEVER OWN ANOTHER ONE.. GM CANT EVEN MAKE A CUP HOLDER ROUND LIKE A CUP. SORRY I DIDN'T SEE THAT BEFORE I BOUGHT IT OR MIGHT HAVE AN ENGINEERING CLUE. ALSO BOTH MY DOOR LOCKS ON THE DRIVERS SIDE CONSECUTIVELY STOPPED WORKING AND ITS NOT THE FUSES. THERE'S 200 BUCKS TO FIX THAT I DON'T HAVE AND I HAVE TO SHIFT MY CAR BY USING A SCREWDRIVER AND PUSHING THE SILVER BUTTON UNDER THE CONSOLE WHICH RELEASES THE SHIFTER. THANK GOD CHEVY HAD BACK UP FOR THAT ENGINEERING MISTAKE BECAUSE I DON'T HAVE THE MONEY TO FIX THAT ONE EITHER. NOW I'M JUST GUESSING IF MY CAR SHOULD BE ON RECALL. GM TOLD ME ON THE PHONE I WOULD JUST HAVE TO WAIT. LESSON LEARNED NEVER BY A CAR JUST BECAUSE U YOU LIKE THE BODY STYLE! THANKS *TR

WHEN ACCELERATING AFTER A STOP, TRANSMISSION FEELS LIKE IT'S SLIPPING, THE CAR DOES NOT WANT TO MOVE. AFTER APPLYING ENOUGH GAS, THE CAR WILL "BRAKE LOOSE" AND LUNGE FORWARD. THIS CAN DEFINITELY CAUSE AN ACCIDENT. *TR

DIFFICULTY SHIFTING INTO GEAR FROM PARK WITH VEHICLE STARTED OR OFF WHEN DEPRESSING BRAKE. SHIFT LEVER WAS LOCKED AND WOULD NOT MOVE. ON 3/16/2014 IT COMPLETELY LOCKED IN PARK POSITION. I CALLED ROAD SERVICE AND THEY REMOVED PART OF CONSOLE COVER AND FOUND WIRE HAD BROKEN IN WIRE HARNESS (BLACK) WHICH CONTROLS RELEASE OF GEAR SHIFT WHILE DEPRESSING BRAKE PEDAL. THEY SHOWED ME HOW TO DEPRESS RELEASE BUTTON FOR PARKING GEAR. I HAD TO DO THIS FOR 3 DAYS MANUALLY TILL I COULD GET A ELECTRICAL SHOP REPAIR THE BROKEN WIRE SUBSEQUENT WIRE HARNESS AS THEY TOLD ME IT WAS NOT FEASIBLE TO REPLACE JUST THE BLACK WIRE TO THE PARK GEAR RELEASE. IT COST ME $465.00 FOR REPAIRS. I CHECKED ON LINE AND FOUND THIS HAS BEEN A QUITE A PROBLEM WITH 2008 CHEVY IMPALA'S AND IS HAPPENED QUITE FREQUENTLY. MY QUESTION IS WHY GM HAS NOT ISSUED A BULLETIN DUE TO THIS PROBLEM TO CORRECT IT. TO BE STRANDED AND IN THE DARK IS QUITE A FRIGHTENING SITUATION. *TR