Skip the auto shop - Our mechanics make house calls

Q: While idling it shuts off and throws out a code that says reduced engine power

asked by on

While idling the car shuts off and I see a code that says reduced engine power.

My car has 198000 miles.
My car has an automatic transmission.

A: As you may know, a general reduced engine p...

As you may know, a general reduced engine power code is somewhat generic and could mean many different things, ranging from a faulty transmission control module to a failing throttle body sensor. You may need to have an expert from YourMechanic come to your location to diagnose the code with a scanning tool to read the vehicle data and pinpoint the cause of the reduced engine power.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: I have a 2004 Buick Rendevouz that doesn't want to start. At first, it had a hesitation problem and it died at low rp

The camshaft position sensor will make the engine run but poorly. Check the crankshaft position sensor to see if its damaged or unplugged. A damaged crankshaft position sensor will cause a no spark condition. If you need further assistance with...

Q: SUV stops & idles at red lights

I would recommend having your alternator tested. If the voltage regulator inside the alternator has failed allowing the alternator to overcharge the battery, symptoms such as the one your described may occur. These symptoms would be the result of the...

Q: How do I bypass the heater core?

There are two hoses that go to the heater core on the firewall, these two hoses would need to be hooked together. This is the only way to bypass the heater. If you need some assistance with this, consider enlisting...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.