What causes engine power to reduce?

What causes engine power to reduce?

What causes reduced engine power? The reduced power indicator can be triggered by a number of faults. Examine the fault language. The fault could be triggered by an oxygen sensor failure, fuel pump failure, throttle location sensor failure, dirty MAF sensor, or throttle body damage.

What is an ETM on a Volvo?

Volvo cars equipped with five-cylinder gasoline engines (V70 S60 S80) can suffer from rough idle and stalling problems. Although not exclusively limited to, the most likely cause of this problem might be a failing Volvo Electronic Throttle Module (ETM). These cars use a fly-by-wire throttle.

How does reduced engine power affect car performance?

It is actually a myth that they cause major loss in performance. That do affect engine performance because they restrict the flow of exhaust gases – but when they work properly, they only cause a reduction in power of between 1% to 3%. How to fix it? They will however start to seriously impact performance as they age.

Why does my ETM say reduced engine performance?

Don’t be fobbed off that they can’t find anything, it will be in the computer somewhere. On vehicles with the new ETM the error message “reduced engine performance” usually means problems with the accellerator pedal, or the cables to it. It could be corrosion in terminals, poor ground, or just a bad pedal.

Why does my Volvo S60 go into limp mode?

I have a 2004 Volvo S60 2.5T. Just reached 120K last week. I’ve been getting the message: “Reduced Engine Performance,” along with the car going into limp mode. It does not go above about 10-40mph and won’t accelerate reasonably.

Why does my Duramax say reduced engine power?

If you’ve got a Duramax diesel, the Reduced Engine Power warning could Illuminate for a variety of reasons. There are many different technical service bulletins (TSBs) for Duramax-powered vehicles that mention Engine Reduced Power mode.