Showing articles & questions for topic
reduced power light

Related articles

Is It Safe to Drive With the Reduced Power Light On?
When your Reduced Power Light comes on, that is your vehicle’s way of telling you that there is a problem, either within the charging system, or within the battery itself. It...

Related questions

Question
Reduced Power light
Hello. It is possible that the catalytic converter is clogged causing a lack of power in the car. It is possible that cleaning out the catalytic converter will fix the problem, but most of the time the catalytic converter needs...
Question
Oil pressure drops to 0 "stabilitrak" issue across message center traction control shuts off but oil sending unit was just replaced
The first thing to do is to have the Check Engine Light scanned to see what code is stored. Once this is done, then the code should be diagnosed to see if it has anything to do with the previous...
Question
Reduced power mode
The reduced power mode is usually related to a Check Engine or ABS light coming on. When a problem is detected, the engine goes into reduced power mode to try and allow you to get to a safe stopping point....
Question
Engine malfunction light, reduced engine power, engine powered down
Hi there. There are a lot of things that can cause this on your 2012 BMW M5. I usually start by scanning the computer for codes to see what comes up. If there are not codes then I load test...
Question
Inside edge of tires wearing out too fast
The Reduced Engine Power light indicates the computer going into failure mode. This mode is to protect you from a possible problem of the throttle getting too high. The mode happens when one of the engine sensors is having a...
Question
Leak caused by corrosion on throttle body terminal
Hello. There are some fairly sensitive electronics inside the throttle position sensor (TPS) housing. They are also not engineered to be easily disassembled for repair either. Unless you are quite experienced at unsoldering and soldering printed circuit board connections, I...
Question
Traction light/reduced engine power and check engine light coming on
Hello. From what you describe, it would appear that your vehicle may be experiencing some sort of intermittent wiring or sensor issue. If the problem occurred again after driving over a bump, then it may be possible that a damaged...
Question
Rpm's started to rise to around 1400 when idling and a dash message lit up saying reduce engine power.
Hi there. Check the idle air control valve (IAC) on your vehicle. This valve is what controls the idle and is most likely stuck or has failed. When turning off the vehicle and then turning it back on, the valve...
Question
2012 equinox reduced power light engine light and traction light came on. Lost a lot of power got home and all light except engine
Your car has what is called a "safe mode" that will be engaged by the computer when it detects that something critical has gone wrong related to any of the major components in your engine chassis or power train. This...
Question
Why does the reduced power light flash when I try to start my vehicle in the morning after sitting overnight?
It sounds like your engine needs a "tune up". This typically means new oil, oil filter, spark plugs, spark plug wires, fuel filter, fuel pump if needed, new battery, new air filter, and a few other components if need be....
Question
Why do the battery light and reduced engine power light come on at the same time?
This is likely due to a weak battery, a failing alternator or potentially a bad grounding connection. When the alternator is not working properly, it will fail to maintain an adequate charge on the battery which may cause other components...
Question
Reduced engine power icon on
Hello - there are 2 problems here. The wiring pigtail to the throttle position sensor (TPS) is likely bad and making a poor connection. This is a known problem with this model and engine. Replace the pigtail connector to the...
Question
Reduced Engine Power Light is on - 2006 GMC Sierra 2500 HD
Hello. Reduced engine power is commonly caused by fuel flow restriction issues or fuel/air mixture problems. Some of the components that could be dirty or faulty include the fuel injectors, the throttle body, or the EGR system. The best...
Question
Sudden Reduced Power when running fine - stop, restart, all is fine - what's wrong?
Hi there - first thing to check when experiencing a Reduced Power Light condition is for any problem codes that might still remain, even if the Check Engine light is not on now. There are several possible causes - an...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question