general problems of the 2018 Chevrolet Malibu - part 1

The contact owns a 2018 Chevrolet Malibu. The contact stated that while driving very slowly into a parking space, the brake pedal was pressed to stop the vehicle, but the vehicle experienced unintended acceleration and suddenly accelerated forward at a very high rate of speed and crashed into a furniture store showroom window. During the incident, the front end of the vehicle was severely damaged, but no air bags deployed. No injuries were reported. A police report was taken at the scene, and the vehicle was towed to the local dealer. The cause of the failure was not yet determined. The manufacturer was not yet contacted. The failure mileage was 80,000.

Every so often I get an indication of engine power reduced, but every time I go in to get it checked it's off. I have recently just learned through research online that the issue is caused by a certain condition that gives false reading to the electronics. I have contacted gm and gm financial about the recalls on my cars of the same year. I have not been in a wreck but I have had the issue of engine reduced power in the middle of traffic. Cox Chevrolet in bradenton has turn me away about the issue gm financial is giving me the runaround neither one mention anything about a recall instead I get a estimate $400 /$808. 50/1900. 41 all to fix ecm as I told the mechanic I was driving with no problem through the day me and the kids at the park when it was time to leave the car sounded like it just didn't have no gas. We was stuck tell 10:45 we waited two hours for the tow truck. I have onstar and get monthly reports on my car. When the check engine light comes on onstar has no indication that's why I believe it is the same ecm. I was told by Chevrolet maher service manager of st pete to get my car off their lot as I said before I got a estimate of 400 that went up to 800 and all I did was ask why.

The rear knuckles on these cars are constantly going bad and the parts are expensive and so is the labor. So we have to pay a fortune to fix a common issue that gm should be recalling and fixing for the people who buy these vehicles. It's crazy how common this issue is and it's still not recalled. If you hear a clunking/rattling noise coming from the back of your car then it's almost certainly a knuckle problem.

I was informed the vacuum pump went bad and rendered the vehicle inoperable. The vehicle would lose acceleration, shut off during auto stop and caused me to block traffic. The brakes also locked up, which almost caused me to crash in a residential neighborhood. I tried to see if there was a recall on this but I was told the recalls were handled in January of 2020 but I started driving the vehicle between July and August of 2020. This incident I'm reporting just happend 3 weeks ago. I realized there are many other issues regarding this matter and need this addressed because this almost caused bodily harm. The dealership wants me to pay for repairs on a vehicle that seem to have defective parts that jeopardise customer safety and is not being rectified.

One of my first problems with this car is the “shift to park” error message. This message on the dashboard indicating that my gear is not in p (park) when in fact it is . This error will not allow me to turn off my car even though I am parked. My second issue is just recently I have been experiencing from idle noise and small leakage looks as though it’s coming from the fuel injectors and I was stuck on the road at night because my car decided to stop and the “shift to park” message came back up and my car started to loose acceleration in the middle of the road on a busy street with no stop signs visible. (car accident waiting to happen). My steering wheel locked up on me and my car completely stopped. I tried to turn it off and back on but this did not work as I tried to mash on the gas with my car in drive . As I did some research I see recalls on my car that I was not aware of which is very accurate to the issue I’m experiencing. Only having this car for one year now and the first issue started way before a year in. Dealership has not fixed my car and the problem has left my car undrivable.

While driving the speed suddenly reduced and brakes locked up on me. I was lucky enough to be able to veer to the left and get off the busy street without crashing into anyone or anything. When I stopped the car cut off and would not start back up even with a jump. This happened to me twice before and they did a recall on the same part. I need ot fixed again. I also had to replace the battery every time including this time.

While driving th vehicle the component that ruptured was the vehicles vacuum brake booster pump which connected directly to the engine. The ruptured caused shards of metal to be launched into the engine resulting in no brake power and needs an engine swap. There was a recall on this model vehicle for the pedal sensor malfunction that results in the cars engine going into a reduced power mode abruptly and suddenly while driving. This malfunction has occurred on this vehicle and I was not aware of this vehicle models recall history but it stated that the recall was successfully closed out in 2020. I purchased my 2018 chevy Malibu in the year 2021 and the issue still persist. I am not confident that the recall on this vehicle was either fully completed or successfully fixed before purchasing. The car is now at the dealer and the repair team explains the vehicle needs a new engine. I questioned about the pedal sensor malfunction and asked if it was possible that this malfunction sending the vehicle into a reduced power mode so suddenly could have effected or cause wear and tear on brake booster pump connected to the engine. The dealers repair team wasn’t confident in saying it wasn’t possible. This is likely a design issue and if a recall was completed and I was sold a vehicle uninformed of this potential issue but the malfunction still persisted I do not believe I should have to cover the full cost of repairs for this chain of events. This malfunctioned put me at danger and if it had occurred while my wife and 3 children were in the car it could have been life threatening not only to us but the other drivers around as well. With the engine reduced you can’t accelerate and with the booster pump ruptures mid drive you lose all brake power. It is hard to understand the faulty design in this but I have read reviews that others have had the same issue so I do not believe I am alone in this.

Car pauses after stopping at lights and stop signs and in stop-n-go traffic and won't go as soon as gas pedal is pressed. It hesitates then jerks forward once the gas is activated. Check engine warning is for stop/start transmission accumulator sensor! cost to repair over $1300 and seems to be the same issue seen in thousands of 2018 Malibu's that have been recalled??? my car does not show an active recall??? chevy rep andrea at 1-800-222-1020 said sorry no recall for your car and to contact you with complaint? this issue almost caused my wife to have accidents after the car lurched forward after stopping. We were also beeped at many times as cars behind us were frustrated we could not move for 10-20 seconds after stopping! [xxx] [xxx] [xxx] car is being repaired now by belise Chevrolet warwick ri 877-553-0957. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Since I got the car, if I let it go in auto stop, it has a hard time accelerating when I push the gas. It has gotten worse and now it has a hard time accelerating in general. When I push the gas it sounds really loud like it’s struggling to go. I realized this is a safety issue for me and others when my car wasn’t going at the light of a busy intersection, or when I’m getting onto a highway and my car isn’t picking up speed. This makes it scary for people already on the highway as iam causing them to brake unexpectedly. Every time my check engine light comes on I take it to the dealership. It’s been taken in for repairs multiple times but this issue still keeps coming back.

Engine power reduced indicated on dash and engine light came on while I was driving.

Saturday morning this is now the 3rd time it's been fixed and safe to drive. Once by the dealership in baltimore towson area. Check engine light came on I ran diagnostic I bought at the store to get the codes come to find out class actions for wrongful death because company knew about it. As I also see hundreds of he same complaints here. My wife on 695 95 baltimore MD at the merge. She went from 60mph to 35mph. Then the car shut off with zero control of steering. Once in neutral she slightly touch the brakes which let it start up. Thank god no one was killed we have 2 beautiful 6 n 7 yr old girls what would I tell them. This needs addressed it happens after the batt needs changed I know 4 other owners 1 had just got one that's what triggered his same codes problems. Im I've googled it but not one person solves it. It's gotta do w the start stop system.

On Jan 22,2024 while driving on the interstate the speed was unexpectedly instantly reduced, the car would not accelerate over 60 mph and the service engine light came on, the car was safely driven off the highway then towed to the dealership. My safety as well as the safety of other drivers on the highway was at risk when the car suddenly decreased to 60 mph from 75 mph which could have caused a collision. The inspection at the dealership confirmed that the issue was the intercooler for turbo found moisture/oil frozen in charge air cooler causing restriction in induction system, and the part design has been updated to help prevent the issue from happening again. My issue is that if the part has been updated that means that gm is aware of the issue and should be responsible for the cost of the part or there should have been a recall on the part. The consumer should not have to be responsible for the cost of the part or the repair to the vehicle. It is unknown if the part was inspected by an insurance representative but it was inspected by the dealership where the car was purchased. There were no prior warnings, lights or lamps occurring before the date of the incident. I feel like gm should cover the cost of the repair, the total cost should no fall on the consumer and the vehicle manufacturer should take responsibility for the defective part.

The contact owns a 2018 Chevrolet Malibu. The contact stated while driving approximately 65 mhp, the message "engine power reduced" was displayed and the vehicle decelerated to 30 mph. The contact stated that the speed would no longer exceed 30 mph. The cause of the failure was not yet determined. The manufacturer was notified of the failure, but no assistance was offered. The local dealer was not contacted. The contact stated that the failure had also previously occurred but after taking the vehicle to the local dealer no cause of the failure was found. The failure mileage was 110,653.

While I was driving, the entire accelerator pedal mechanism fell to the ground. My mechanic told me it is because the accelerator pedal mechanism is a bad design, including too small of a bolt, and I had to have it reattached to the car. The accelerator pedal functioned, but it was incredibly dangerous because it was on the floor and couldn't be practically used.

Purchase car in December 2018, had 3 engine replacement. I am currently in the 3 engine replacement. And still experiencing the same issue - check engine light permanently on for 2 months now. Issues a whistling sound from an opening vent in the hood since last engine replaced. Call stalls, reduces speed and jerk when trying to accelerate . Have reached out to reed lallier Chevrolet they making it seems that normal and ok. I am scared to drive and cause an accident because the car stalls before picking up. When you put the car in park, the car still not registering at park it is still moving you have to sit and clear the dash board (shift to park, even thou it is in park). Chevrolet only gave 1 engine replacement and $100 gift card. Every other expense is on me, when I still have to pay for the lemon. Unable to locate most recent engine replacement sheet. But can retrieve from dealership if needed. This car is full service and maintained in the allocated time frame reed lallier has the file of needs be.

The car continuously is throwing a code p2138 and a warning comes up on dash saying reduced engine power. This happened 6 times to me yesterday wherein I was traveling on 1 lane winding roads in my neighborhood so the speed drops from wherever it is down to 10mph instantly. On 1 lane roads in the area where I reside there’s no safe place to pull over. This is extremely dangerous and a massive safety hazard and risk to my life!.

2018 chevy Malibu over 5 times this happens since we bought it brand new it has "reduced engine power" error come on and the car can't accelerate over 30 miles per hour. This is a continued problem all the time and very dangerous when we are on the tollway that has a 70-mph speed limit, and you can't get the car to go over 30 mph. This same problem happens on our 2017 chevy Malibu that we bought brand new since we owned it too and I have already put in a complaint filed today! this is extremely dangerous and takes you a long time to get home when you can only go 30 mph or less because of the "reduced engine power" limit. Gm needs to recall these Malibu's and fix the dangerous "reduced engine power" error because it's dangerous to the driver in rush hour traffic and on the tollway traffic with no ability to go over 30 mph. All these Malibu's need to be fixed properly and its gm's responsibility to ensure safety for their customers lives.

Was driving to work when suddenly my check engine light comes on and I get a warning reading “reduce power to engine” could feel the power literally reduce. Car won’t go pass 30mph could hear the engine trying to accelerate but struggling too. This is the second time it happens, have noticed other complain about this on going issue with 2016-2018 models.

I got p2138 code, I replaced the accelerator pedal on my cost because the dealer told me my car VIN is not include in the recall, the code keep coming back even after replacing the pedal. The problem it happen two time were I was driving on thruway "65 mph" the speed suddenly reduced to less than 30 mph which put me and the other drivers safety in dangerous situation.

Suddenly loss of power at cruising speeds. Trouble with acceleration and loss of power. Unresponsiveness from the engine. The check engine light illuminate, obd2 call for code p2138. The speed stuck at 30 m/h on the 65 m/h thruway which cause unsafe situation for me and other drivers on the road. When googling this issue on the internet, reviews show it is common problem in this model. Gm refuses to fix this issue at their cost because "according to the VIN number of my car, it is not included in the recall list" which it does not make sense.

I keep getting a reoccurring message saying engine speed reduced, I can be driving going 60+mph and randomly my car speed is reduced. This is becoming a safety issue as I have noticed this is a ongoing issue wit the 2016-2018 chevy Malibu's.

As I was driving I was addressed with a speed reduction warning and it followed with a very abrupt problem with speed as it was reduced drastically and almost getting rear-ended in the process I was able to pull over but very unsafely and without warning.

I received a recall letter in 2019 for n192221960. The engine control module software needed to be updated. I have taken my car to the moran chevy dealership on gratiot perhaps 3 times before. I was driving yesterday, oct 4th and my car did the same thing again: reduced engine power while I was on the freeway. It would not allow me to accelerate past 40 mph very dangerous. They informed me that the repair would not be covered, which was surprising to me, because I thought with that frequency it would be. Each time they told me it was something different. This time I am being told that the price is $862 ecm needed work, and oxygen sensor and fuel injector services. I then received a call letting me know that the price was reduced to $693 and that the ecm was updated already (after I had called letting them know I called gm direct about the recall and was waiting to hear back).

I’ve brought the car in for the same thing “engine power reduced “ and they never were able to fix has been going on since February of 2019. Codes related to the engine power reduced still occurred and are occurring on my vehicle, reported it to gm ( have the emails) they offer me $2500 for a new car but won’t put it towards fixing this car, as it’s not a guaranteed fix as the vehicle has been brought in over 4-5 times for the same engine power reduced and never fixed it. I received a letter from gm regarding they will cover anything to do with “engine power reduced “ at no charge and now they won’t fix it. The last email gm said to report it to the dealership giving me the run around. This is one of many almost got in an accident today on the highway cause I was going 70 and it dropped to 40 out of no where of course with the engine power reduced message. I need help, please. I been going on since I bought the vehicle in 2019. Gm is doing nothing but taken advantage of for years.

Engine power reduced notification came on the dashboard and car deaccelerated down to less than 25 miles an hour on the highway on multiple occasions. On the last occasion about 2 months ago the notification came on again, the car stalled and would not start up again. This was in ongoing traffic and I could have been seriously injured if people behind me were unable to stop in time. I sat in the middle of traffic for 45 minutes until fire and rescue came and pushed my car out of the road and onto the shoulder until the tow truck came.

While im driving the stabilitrack warning will pop on then the engine light & immediately after my car will jerk to a almost stop. Then when I try to press on the gas peddle it will go slow but my peddle power goes to a 4. The dealership said it was my tire speed sensors so I got them replaced all to still have the same problem. It will also read power stirring not available & shift to park even tho I’m already in park.

Suddenly and at random times check engine light comes on with error “engine power is reduced” car will no longer accelerate even at freeway speeds causing a very dangerous situation. Has happened several times and continues to happen. According to other complaints this is very common and reoccurring for Malibu and needs to be covered by chevy to resolve issue.

Car was driving on major highway when the alarm went off and check engine light came on saying reduced engine power. Car dropped down to 20mph at roughly 2,000rpm's on a major interstate. No prior indicators and mechanic said one of the sensors was the issue. Reading up there is apparently a class action lawsuit with gm and nothing has been done about it. Nhtsa needs to address this matter ASAP.

What component or system failed or malfunctioned, and is it available for inspection upon request? a defect in the cam shaft solenoids causes a notice that "engine power is reduced. " at that point, the engine begins to struggle to accelerate from a stop, and from increasing speed while on the highway. How was your safety or the safety of others put at risk? the unpredictability of the defect and its affect while driving poses a large threat to safety, particularly on the highway. Has the problem been reproduced or confirmed by a dealer or independent service center? yes. The dealership service rep not only confirmed the defect, but also confirmed that the issue persists across multiple gm models yet no recall exists. Again, this is a known defect with gm engines, as confirmed directly by the dealership. Despite this, no remedy was offered, I was told it's neither covered by my manufacturer's warranty or recall. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? yes. I was given a video explanation of the issue and also told directly of these persistence of the defect across multiple lines. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? no warning prior to the failure. The defect and "engine power reduced" message both first presented in March of 2022, less than a year into my ownership of the car -- and while my car was still under its 60,000 mile warranty.

Vehicle won't start and dealership determine it was the battery. Replaced battery now vehicle shuts off completely when making a complete stop. Vehicle will maintain in normal operation if shifted into neutral upon stopping. The vehicle was taken to harper motor dealership where it was determine the starter was bad. After replacing the starter the next the problem remained. Took the vehicle back the next day and after three days it was determined a gm expert was needed to determine the issue. One week later and a proposed bill of $3500 to repair I decided to write this down. This appears to be a major safety issue that could cause harm or death. This has been an issue since 2013 in the Malibu and the issue has still not been corrected.

Driving at highway speed and the speed decreased to 20 mph engine power reduced along with engine light came on extremely unsafe. Purchased Dec 10, 2018 39,000 miles . Kids and myself could’ve been hurt.

Reduced engine power occurs while driving and will indicate a traction control issue and the check engine light will engage. The first time it happened, it was during a snowstorm on 2/24/2022, but it has occurred two other times while driving on a highway on sunny days (3/3/2022 and 3/8/2022) with no snow on the ground, road completely dry. Car speed dropped from approximately 55-60 mph to 20. I have to pull the car off the road, turn it off, and let set for at least one minute turned off before it will have engine power restored. Code for car was checked, and it was p2138, throttle/pedal position sensor switch.

As I was driving with cruise control on a freeway at 70 mph the car suddenly displayed a warning to reduce speed. I continued to try to get to the next exit but almost instantly it started reducing my power and slowed me down to a crawl. I pulled over on the freeway and it would not restart. The tow truck to it to a chevy dealer and the next morning they called asking for details as the car started right up and they drove it around for 10 minutes without issue. They kept the vehicle all day but were unable to recreate the problem so they told me there was nothing they could do. They pulled 17 codes and said that's too many to diagnose so nothing to do. I drove 15 miles home with no issues. The next day I went to get the oil changed and they tested the 12v battery and told me it failed. I went to buy a battery and drove home. The next day I drove around 10 miles and then it dies again as I was slowing down to a stoplight. I pushed it to a parking lot and installed the new battery. I took the old battery back to the store to get my core deposit back and asked them to test it. They said it tested fine but I went ahead and gave it to them as I already had the new battery installed and it's a pain in the rear to do. On the 3 mile trip home they car jerked/slipped shifting briefly and the check engine light came on. Onstar sent me a notification the first time telling me the battery was drained and I needed to charge it. The second time I received a notification that there was an issue with the "electronic drivetrain" and needed to take it in for service. I'm taking it to the dealer I purchased it from tomorrow to see if they can figure it out.

As I was driving down the highway at 60 mph the road was clear at the time of any debris my car suddenly had two lights on the dashboard. On the left was the traction control light and the right side was the engine light. On my computer display was the words “reduced engine speed”. My car suddenly slowed from 60 to about 30 mph in a matter of seconds. It was like I had slammed my brakes. This all happened simultaneously I attempted to pull over safety and turn the car off and restart it. The lights remained on. My car was not able to get over 27 mph there was no warning what so ever if anyone would have been behind me I would have been rear ended at this time I took it to a mechanic who put it on the computer it was coded at the pedal position sensor. He was able to save the code, clear it so I was able to drive the car and advised to drive it locally for a while in case it would do it again as it is unsafe. The closest chevy dealer is over an hour away from my town and at the time of day it was not safe to drive the car to the dealership for confirmation.

Vehicle continually throws reduced engine power code which includes while traveling at high speeds and winter weather. Vehicle resets once powered off to throw a code sometimes again immediately or within a short period of time rendering the vehicle virtually unusable. Difficult to get to a safe spot to turn vehicle off to attempt to re-set. This puts occupants in danger of being rear ended, stuck in snow/mud or hit from behind while pulled over trying to reset vehicle. This has been an ongoing problem since purchasing the car new. Was fixed under warrant once. Fix didn’t last long and have continuously had issues.