2007 Chevrolet Impala Driver assistance Problems

Check engine light Code p2138 Change the throttle pedal position sensor the next day the car dropped down to 5 to 10 mph information center said engine safety been reduced to 5 to 10 mph plus my traction control light came on then information center said service traction control put my old throttle pedal position sensor back on and it turn traction control light out and the car went back to driving normal don't know how long its going to last before it goes back to 5 to 10 mph and the information center says engine decelerate to 5 to 10 mph.was on highway in Texas had to get over on shoulder quick car just slow down quick and pedal was to floor. Also keep failing state inspection due to failed OBDII test ( see vir).

NHTSA ID

11474438

Incident

Jul 16, 2022

HAD ISSUES WITH MY 2007 IMPALA 3.9L STALLING AND REDUCING POWER ON MY WIFE, AND AT TIMES ALMOST LEAVING HER IN OR ON THE ROAD. I HAVE REPLACED THE THROTTLE BODY, THROTTLE PEDDLE ( TWICE ) AND HAD THE CAR FLASHED AT THE LOCAL GM DEALER. NOW THE CAR NOT ONLY READS REDUCED ENGINE POWER IT READ STARTING DISABLED SERVICE THROTTLE AND DIED WHILE SHE WAS DRIVING DOWN A BUSY HIGHWAY DURING RUSH HOUR.. CAUSING HER TO ALMOST BE INVOLVED IN A BAD WRECK. THIS SERIOUSLY NEEDS TO HAVE ATTENTION OF WHOEVER AT GM IS OVER SAFETY, CAUSE THIS ISSUE WILL END UP IN A REALLY BAD SITUATION IF OR WHEN SOMEONE ENDS UP SERIOUSLY HURT OR KILLED. I MEAN YOU REALLY NEED TO PROGRAM THEM TO SLOWLY REDUCE POWER, NOT JUST TELL YOU THEN SHUT OFF COMPLETELY AND HAVE THE DRIVER FIGHT AND PANIC TO GET OFF THE ROAD THROUGH TRAFFIC, WHILE NOT GETTING RUN OVER IN THE PROCESS. BUT IF THERE IS A FIX WE NEED TO KNOW.

NHTSA ID

11348559

Incident

Aug 10, 2020

Mileage

120,000 mi

WHILE DRIVING MY CAR TO WORK ON TUESDAY 11-12-2019 AT 6 AM IN THE MORNING, MY BATTERY LIGHT CAME ON THEN, MESSAGE DISPLAYED BATTERY SAVER ACTIVE,AC HOT SHUT OFF, TRACTION ON AND REDUCE POWER, EVERYTHING CAME ON IN DASHBOARD AND ABOUT 10 MINUTES LATER THE WHOLE SYSTEM SHUT DOWN, AND CAR WILL NOT START BACK UP. HAD TO GET SOMEONE TO JUMP START IN ORDER TO START CAR BACK UP IT WILL RUN A PERIOD OF TIME AND IT HAPPEN AGAIN EVEN AFTER REPLACING A NEW BATTERY, STARTER AND ALTERNATOR I ALSO TAKEN IT TO DEALER SHIP TO RUN DIAGNOSING TEST AS WELL AND THEY CHARGE ME FOR SERVICE ALTHOUGH THEY SAID THEY DIDN'T FIND ANYTHING WRONG WITH CHARGING SYSTEM AT ALL .BUT THIS OCCUR DURING THE BUSY TIME OFF THE DAY AND A LOT OF TRAFFIC

NHTSA ID

11279929

Incident

Nov 12, 2019

TRANSMISSION TENDS TO LONG SHIFT AT 1ST AND 2ND GEARS CAUSING ERRATIC SHIFTING UPHILL AND SOMETIMES TURNS. UNSAFE! JASPER ENGINES AND TRANSMISSIONS DID UPDATE FOR CLUTCH PLATES AND PRESSURE SOLENOID FOR THIS IS KNOWN TO BE A PROBLEM. HESITATED ACCELERATION WHIM GOING UPHILL. FIRST TRANS WAS INSTALLED IN 2016 OCTOBER

NHTSA ID

11234590

Incident

Jul 1, 2019

Mileage

154,000 mi

POWER STEERING BOX WHEN CHECKING FLUID POP NOISE WHEN TAKING OFF CAP ALSO CHANGED SERPENTINE BELT STILL SQUEALING STIFF STEERING LEAK NOT DETECTED AT THAT TIME .#2 SHIFTING FROM 1ST TO 2ND GEAR IS VERY FAST NOT NORMAL

NHTSA ID

11195965

Incident

Apr 1, 2019

Mileage

131,100 mi

INTERMITTENT TRACTION LIGHT AND ABS LIGHT POOR ACCELERATION

NHTSA ID

11192163

Incident

Mar 18, 2019

Mileage

131,355 mi

MY WHEEL STARTED TO CLUCK EVERY TIME I DRIVE, THEN MY SPEED WANT GO AS IT AHOULD

NHTSA ID

11173209

Incident

Jan 9, 2019

WELL MY 2007 CHEVROLET IMPALA WANT DRIVE OR MOVE SO I DON'T IF IT'S THE TRANSMISSION BAD OR NOT I NEED ANSWER PLEASE IT'S LEAKING FLUID AND OIL AS WELL.

NHTSA ID

11164143

Incident

Dec 14, 2018

Mileage

13,700 mi

TAKATA RECALL WHILE DRIVING I KEEP GETTING A 'ENGINE POWER REDUCED' MESSAGE AND MY CAR IMMEDIATELY SHUTS OFF IN THE MIDDLE OF TRAFFIC.

NHTSA ID

11142453

Incident

Sep 25, 2018

Mileage

90,000 mi

CAR RANDOMLY DISPLAYS REDUCED ENGINE POWER. ON INTERSTATE REDUCED DOWN TO 20MPH COULD HAVE GOTTEN MY FAMILY KILLED. RESEARCHED ONLINE ALOT OF IMAPALA HAVING SAME ISSUE. THIS IS VERY DANGEROUS

NHTSA ID

11098728

Incident

May 1, 2018

Mileage

133,000 mi

I RECENTLY PURCHASED A 2007 CHEVY IMPALA, 3 WEEKS AFTER PURCHASE WHILE ON THE HIGHWAY, THE CAR SUDDENLY SLOWED DOWN TO A CRAWL, A REDUCED ENGINE LIGHT CAME ON THE DASH, BEING AS WE WERE ON THE HIGHWAY TO SUDDENLY ONLY BEING ABLE TO GO 20MPH WAS VERY FRIGHTENING!! I WAS ABLE TO GET THE CAR TO THE SIDE AND HAD TO HAVE IT TOWED HOME. AFTER SEARCHING THIS ISSUE ONLINE I FOUND THOUSANDS OF COMPLAINTS FROM PEOPLE WITH THE SAME ISSUE WITH THIS SAME CAR. I FIND IT STRANGE THERE WAS NOT A RECALL FOR THIS DUE TO IT BEING A SERIOUS SAFETY ISSUE. AFTER CALLING A CHEVY DEALER, THEY TOLD ME ALL THEY COULD DO IS HOOK IT UP FOR DIAGNOSTIC TESTS BUT IT WOULD COST 175.00 JUST TO DO THAT. THIS VEHICLE IS STILL PARKED AND WE ARE UNABLE TO DRIVE IT AND STILL HAVE NO IDEA WHAT'S WRONG WITH IT. I'M VERY CONCERNED ABOUT DRIVING IT AGAIN FOR FEAR OF THIS HAPPENING AGAIN AND US MAYBE NOT BEING AS LUCKY NEXT TIME!!!! SERIOUS ISSUE WITH THOUSANDS OF COMPLAINTS ONLINE. SIMPLY TYPE IN 'REDUCED ENGINE POWER' MAKE MODEL AND YEAR OF CAR AND MANY PEOPLE HAVE HAD THIS SAME ISSUE!!!!

NHTSA ID

11093977

Incident

May 13, 2018

Mileage

112,000 mi

VEHICLE IN MOTION AT 70 MILES PER HOUR, VEHICLE SHUT OFF AND LOST POWER STEERING, BRAKING, AND NEARLY CAUSING A FATAL COLLISION ON A HIGHWAY OVERPASS. ERRORS ON DASH STATED THROTTLE DISABLED STOP ENGINE, OIL PRESSURE LOW ENGINE POWER REDUCED. UPON FURTHER INVESTIGATION THERE WAS A RECALL (EXPIRED?) FOR PEDAL POSITION SENSOR DUE TO FAULTY SOLDERING.

NHTSA ID

11091429

Incident

Apr 14, 2018

Mileage

180,000 mi

TRACTION CONTROL PROBLEM....WARNING LIGHT AND MESSAGE THAT THE TRACTION CONTROL IS NOT WORKING CORRECTLY AND POWER TO THE ENGINE IS REDUCED...AFTER CAR IS OFF ND SITS FOR A COUPLE OF HOURS, THE WANING SIGNS ARE OFF AND CAR IS AT FULL POWER FOR AAPROXIMATLY 3 TO 10 MILES, THEN I HAPPENS AGAIN....

NHTSA ID

11078789

Incident

Sep 9, 2017

Mileage

5 mi

ENGINE POWER WAS REDUCED WHILE I WAS TRAVELING WITH THE FLOW OF TRAFFIC. I ATTEMPTED TO ACCELERATE BUT CAR STARTED SLOWING DOWN. TOOK THE VEHICLE FOR REPAIR AND REPLACED THE PEDAL POSITION SENSOR WAS REPLACED. I CONTACTED CHEVY DEALERSHIP SERVICE DEPT AND WAS TOLD IT'S A COMMON OCCURRENCE. IMPALAS HAVE A THROTTLE SENSOR INSTEAD OF CABLE. IF THE SENSOR GOES OUT, THE ENGINE POWER IS REDUCED TO PROTECT THE ENGINE INTEGRITY. IN SOME CASES, IT'S REDUCED SIGNIFICANTLY. THE MANUFACTURE NOTED MY CONCERN BUT THE REP WOULD NOT ESCALATE THE MATTER. I WENT ONLINE TO FILE A COMPLAINT AND THERE IS A CHEVY FORUM WITH SIMILAR CONCERNS. GENERAL MOTOR REPS REPLY WITH COMMON RESPONSES TO TAKE THE VEHICLE TO AN AUTHORIZED MECHANIC AND THEIR CONCERN HAS BEEN NOTED. I WAS INFORMED BY REPRESENTATIVE AT 800# FOR MANUFACTURE TO CALL BACK IF IT HAPPENS AGAIN. THANKFULLY I WASN'T GOING AT A HIGHER SPEED IN DALLAS TRAFFIC. NOT SURE IF I WOULD HAVE HAD THE LUXURY OF PULLING OVER.

NHTSA ID

11046148

Incident

Nov 14, 2016

SERVICE TRACTION CONTROL ENGINE POWER REDUCED DRIVING DOWN THE INTERSTATE AND IT DROPPED THE SPEED FROM 75 TO 40 IN MATTER OF MINUTES MY FAMILY ALMOST GOT RAN OVER BY A SEMI THIS IS A SERIOUS SAFETY ISSUE AND SOMEONE IS GOING TO GET SERIOUSLY HURT

NHTSA ID

11005881

Incident

Jul 16, 2017

Mileage

114,888 mi

WHEN MY CAR IS IN MOTION IN THE STREET, TURNING, BRAKING AND DRIVING SLOW MY TRACTION CONTROL COMES ON AND SAYS REDUCE ENGINE SPEED AND THE LIGHT FOR MY ENGINE COMES ON. I DON'T KNOW WHAT IS CAUSING THIS PROBLEM AND I DONT HAVE ANY INVOICES, ANY POLICE REPORTS NOR ANY INSURANCE CLAIMS

NHTSA ID

11002874

Incident

Apr 22, 2017

MY ISSUE STARTED WITH MY CAR TURNING OVER. IT WOULD NOT WANT TO START FIRST TRY BUT WOULD TURN OVER ON THE SECOND. SOME TIMES IT WOULD START FINE AND OTHERS IT HESITATED. AFTER DEALING WITH THIS FOR A WHILE MY BATTERY DIED AFTER SPENDING A LITTLE WHILE IDLING. TOOK IT TO CHECK THE ACCELERATOR AND THE BATTERY BUT BOTH WERE FINE. CONTINUING TO INTERMITTENTLY ACT UP WHEN STARTING, IT ALSO STARTED TO SHOW OTHER PROBLEMS. I WAS GETTING IN MY CAR TO LEAVE AND IT STARTED UP FINE BUT BEFORE I COULD PULL OUT OF MY DRIVE WAY MY CAR STARTED SHAKING AND SHOWING AN "ENGINE POWER IS REDUCED" MESSAGE. I TURNED IT OFF RAN INSIDE AND WHEN I CAME BACK OUT TO SHOW OTHERS THE ISSUE IT STARTED WITHOUT A PROBLEM AND DID NOT HAVE THE MESSAGE ANY MORE. STILL HAVE THE TURNOVER HESITATION, I CONTINUE TO DRIVE IT HOWEVER IT STARTED TO SHAKE AND SHOW THE SAME ENGINE POWER REDUCED MESSAGE AS I PULLED INTO MY APARTMENT COMPLEX. ALSO HAS DONE THIS WHEN LEAVING AND TURNING INTO A MAIN ROAD, CAUSING US TO PULL OVER AND WAIT TO START IT AGAIN. TOOK IT TO GET CODES TESTED AGAIN AND IT PULLED UP A DIDN'T MATCH CODE. AFTER DOING RESEARCH TONS OF OTHERS HAD THE SAME PROBLEM AND WORSE. MANY SHOWED THE SOLUTION TO BE REPLACING THE THROTTLE BODY AND THROTTLE POSITION SENSOR WHICH WE DID. SLIGHT HESITATION ON THE START UP BUT TOOK IT AROUND THE BLOCK NO ISSUES. WENT TO TEST IT ON THE HIGHWAY AND BEFORE WE EVEN MADE IT THE ENGINE POWER REDUCED CAME ON AND CAR SHOOK AGAIN. THERE AND SO MANY OTHERS THAT HAVE HAD THIS PROBLEM AND MANY HAVE NOT FOUND THE FIX. EXTREMELY DISAPPOINTING SINCE WE CANNOT RETURN THE PART AFTER IT'S BEEN INSTALLED. I AM WORRIED TO TAKE MY CAR OUT AND DRIVE IT ON THE HIGHWAY BECAUSE I DO NOT WANT THIS TO HAPPEN WHILE I'M AT INCREASED SPEEDS.

NHTSA ID

11001995

Incident

Jun 28, 2017

TL* THE CONTACT OWNS A 2007 CHEVROLET IMPALA. ON SEVERAL OCCASIONS, WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE STALLED. THE CONTACT STATED THAT THE FAILURE RECURRED SEVERAL TIMES. ON NUMEROUS OCCASIONS, THE VEHICLE FAILED TO START. THE DEALER DIAGNOSED THAT THERE WAS AN ELECTRICAL SYSTEM FAILURE AND ALSO THE THROTTLE BODY NEEDED TO BE SERVICED. THE VEHICLE WAS REPAIRED ON THREE SEPARATE OCCASIONS, BUT THE FAILURE RECURRED. THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM). THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 112,000.

NHTSA ID

10984514

Incident

May 8, 2017

Mileage

112,000 mi

TL* THE CONTACT OWNS A 2007 CHEVROLET IMPALA. WHEN THE ACCELERATOR PEDAL WAS DEPRESSED, THE VEHICLE SHIFTED AND JERKED. THE CONTACT TURNED THE TRACTION CONTROL BUTTON OFF, BUT THE VEHICLE FAILED TO MOVE. THE TRACTION CONTROL AND ENGINE INDICATORS ILLUMINATED OFF AND ON. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 160,000.

NHTSA ID

10980134

Incident

Apr 24, 2017

Mileage

160,000 mi

TEMP GAUGE MOVES TO HOT SIDE, DIC SHOWS ENGINE HOT TURN AC OFF, ENGINE POWER REDUCED, TRACTION STABILITY AND CHANGE ENGINE OIL SOON

NHTSA ID

10967393

Incident

Mar 17, 2017

TRACTION CONTROL LIGHT CAME ON AND CAUSE MY CAR TO REDUCE POWER

NHTSA ID

10957102

Incident

Feb 26, 2017

LAST MAY I WAS DRIVING MY CAR FROM WORK GOING APPROXIMATELY 40 MPH A MESSAGE CAME ON THE INFORMATION SCREEN. SOMETHING ABOUT GOING OVER 160MPH. THE CAR SUDDENLY SLOWED, COULDN'T SEEM TO FIND THE PROPER GEAR. AT THE SAME TIME THE SPEEDOMETER WAS GOING UP AND DOWN SHOWING 60, 30, 80, 0. THEN IT CUT OFF. I PUT THE ROLLING CAR INTO NEUTRAL AND STARTED IT. IT FIRED UP IMMEDIATELY. I PUT IN GEAR AND CONTINUED UNTIL IT WAS SAFE TO STOP. LET ENGINE COOL OFF AND DROVE HOME. THE SPEEDOMETER CONTINUED TO FLUCTUATE, IT ALSO CUT OFF AND FLASHED THE MESSAGE AGAIN. CALLED DEALERSHIP NEXT MORNING AND TOOK IN. THEY CAME BACK WITH DIAGNOSIS OF TRANSMISSION FAILURE, NEED TO REPLACE. I SHELLED OUT $4000 FOR THE TRANSMISSION, NOW IT IS SLIPPING. I DROVE HOME TODAY AND THAT MESSAGE FLASHED ACROSS MY SCREEN ALONG WITH THE TRANSMISSION STRUGGLING TO FIND THE PROPER GEAR. THE SPEEDOMETER WAS MOVING UP AND DOWN. THE SPEEDOMETER WAS REPLACED WHEN THE TRANSMISSION WAS REPLACED. I HAVE CONTACTED THE DEALERSHIP TO SCHEDULE AN APPOINTMENT. I ALSO MADE A FORMAL COMPLAINT TO GM. *TR

NHTSA ID

10945871

Incident

Jan 17, 2017

Mileage

112,000 mi

MY 2007 IMPALA RECENTLY SHUT OFF ON ME WOULDN'T MOVE IN DRIVE AS I SAT IN THE MIDDLE OF THE HIGHWAY WITH MY KIDS IT HAS BEEN JERKING SINCE I HIT 135000 MILES IT HAS A STRONG ODOR WHEN I CUT MY AC ON IN AS MY CAR IS RUNNING THE ENGINE HAS A STRONG ODORNOW MY CAR WANT DRIVE AT ALL AN I SEE IT HAS 3 RECALLS ON IT PLEASE LET ME WHAT'S GOING ON WITH MY CAR BECAUSE THAT WAS SO SCARY HAVING BREAK DOWN ON ME IN TRAFFIC.

NHTSA ID

10865002

Incident

May 13, 2016

Mileage

1,400,000 mi

TL* THE CONTACT OWNS A 2007 CHEVROLET IMPALA. THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, THE ACCELERATOR PEDAL WAS DEPRESSED BUT THE VEHICLE FAILED TO ACCELERATE AS THE REDUCED ENGINE POWER ERROR MESSAGE DISPLAYED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE ACCELERATOR PEDAL NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 140,000.

NHTSA ID

10811914

Incident

Oct 23, 2015

Mileage

140,000 mi

TL* THE CONTACT OWNS A 2007 CHEVROLET IMPALA. WHILE TRAVELING AT 40 MPH, THE VEHICLE BEGAN TO ACCELERATE WITHOUT THE ACCELERATOR PEDAL BEING DEPRESSED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 69,000.

NHTSA ID

10783251

Incident

May 13, 2015

Mileage

69,000 mi