Engine power reduced
Your engine cannot perform the way it should. A cause would be the Throttle Positioning Sensor, or the wiring harness may have a broken wire at the plugin. Have the vehicle scanned for trouble codes to verify.
The onboard computer system has sensed a problem with something in the engine management system, you should also have a check engine light along with it, you will need to have the code pulled to find out what has failed or of you have an open corcuit. Someplace like autozone can pull the codes for you free of charge. If your so inclined.
Can a bad O2 sensor cause reduced engine power?
Yes but they usually have a check engine light and a code stating something is wrong with it, could be exhaust restriction or fuel delivery.
The check engine light is on, and I am getting a P0155 error code. This is the Bank 2 / Sensor 1 Heater Circuit Malfunction. Would this cause the truck to go into reduced engine power after the motor was running for a while?
Yes it very could, if it's not heating up properly the readings will be inaccurate and the computer will react accordingly, possibly even going back into closed loop under low speeds, so check the O2 heater circuit, it may have blown a fuse, or the resistance is too high inside the O2 sensor itself. The car is almost 10 years old this fall so you might think about replacing the upstream O2 sensors as a maintenance item, downstream O2 sensors seem to last twice as long as upstream, so don't worry about those until you get a code for them, and even then it might be catalyst and not the sensor.
I have a 2006 Chevy Malibu and my car says engine power reduced with the engine light on as well. When I press the gas acceleration is slower than normal can you tell me what the problem could be?
If the check engine light is on then it has stored a code or more, so swing by a place like auto zone and have the codes pulled, write them down and repost them back here, someone will jump in and help you along with further diagnosis.
Thanks @tennisshoes the code on my car is P2138
Well that may very well enplane the acceleration problem, Throttle pedal position sensor, for more information go to: https://www.engine- codes.com/p2138_chevrolet.html
I have a 2016 Chevy Malibu it say check engine power it also has the check engine light on its not picking up speed. HELLLPPP!
Sadara mine is doing the same!!!! So scary!!! Specially pulling onto a busy highway! i have already had it at the dealership once with it. They replaced a few things and its doing it again! Did yours get resolved?
Spray the 02 senser down with some corb cleaner an ull be just fine.. just did it just now, now im getting full power
I have a 2016 Malibu and the engine light came p2097 show up on the Machine
Why my check engine light come on i just put 89 percent gas in the car
You mean 89 octane? If the owners manual recommends that rating then fuel should not turn on the light, things like a loose gas cap, fuel tank venting controls are two that can cause the light to turn on right after refilling. Swing by a place that can pull the codes like autozone and see what they tell you and repost them back here, someone will hop on and help you along with further diagnosis. HTH
I have 2016 shave Malibu suddenly enjine power is reduced, engine sign car is not going more then 6,
I am beyond words....I have a 2013 Chevy Malibu eco model last Sunday I was headed on a day trip with my family when my check engine lite and reduced engine power warning came on....I immediately pulled over and shut the car off scared to death....when we tried to restart car it would not start and was towed to my mechanic.. Today I got the call that this would cost thousands to pull motor and possibly still would need new motor put in. THIS CAR IS A 2013 WITH 76K MILES.... DO NOT BUY A CHEVY THE DO NOT LAST!!!!
I have a 2005 chevy malibu and was told it could be crankshaft or ecm. At Autozone they pulled the code while the check engine light was on and it said code p0601 - the ecm. I found a website, after checking the reviews, called protech auto systems out of ft lauderdale. They sale preprogrammed rebuild ecms for under $300. they match it to my vin. Imagine that compared to the almost $900 stingray chevy wanted to charge me.
I have a 2016 and my engine light came on and it says engine power reduce it came after I hit a bump in street what could it be
I have a 2018 Chev Mailbu, just got it in March with only 11k miles on it. And my check engine light on, saying Engine Power Reduced. Smh, extremely disappointed. It’s doing the same thing my 2005 did. I minds well should of just fixed that one if I was going to run into the same problems smh!
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