Why does my Volvo S60 run rough when idle?

Why does my Volvo S60 run rough when idle?

While there are a variety of reasons your Volvo S60 has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. See what others are asking about their Volvo S60. Get answers from RepairPal’s community of auto experts and enthusiasts. My car runs rough or will cut off when idle.

Why is my Volvo engine stalling and stalling?

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).

Why does my Volvo have a bad throttle module?

What you might experience: If experiencing some of these symptoms, your Volvo likely has a bad electronic throttle module, especially if any codes are present. The problem lies within the throttle position sensor that is integrated into the ETM. Being a mechanical contact type, it relies on physical contact between two small moving parts.

What causes an ETM on a Volvo to fail?

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. The failure is caused by wear in the internal throttle position sensor contacts. What you might experience:

What causes rough idle after replacing mass air flow sensor?

Replaced air filter and maf sensor. Problems with vehicle turning off seemed to go away but now I have a rough Idle. Car will drop below 1000 rpms and then rev back up to over 1500 like it wants to shut off. Idle problems seem to go away when maf sensor is disconnected. Car throwing codes p0171 and p0102.

When does the idle problem in my car go away?

Car will drop below 1000 rpms and then rev back up to over 1500 like it wants to shut off. Idle problems seem to go away when maf sensor is disconnected. Car throwing codes p0171 and p0102. Where should I go from here? My car has 190000 miles.

What are the symptoms of a failing ignition coil?

A failing ignition coil can create several symptoms: Check engine light comes on Engine runs poorly or stall Increased emissions Reduced fuel economy Car won’t start I… Read More When spark plugs fail, the engine will struggle.

What does it mean when your Volvo won’t start?

Volvo engine turns over but won’t start. Volvo has a reputation as being a very reliable car that will rarely leave you stranded. In this guide, we discuss those rare cases when a Volvo won’t start. Volvos’s most common problem is that the dashboard light turn on, but the engine won’t start.

Why does my Volvo Cem not turn on?

If you have been having intermittent electrical issues such as wipers randomly turning on, for example, CEM could be the problem. If your Volvo doesn’t start in extremely cold or hot weather, the CEM module could also be the culprit. This guide explains common Volvo CEM electrical problems.

Where is the fuel pump on a Volvo?

This can help in situations where the idle control is not working properly. A bad fuel pump can prevent your Volvo from starting. The fuel pump is located in the fuel tank, either under the back seat or under the trunk floor.

What causes a bad throttle on a Volvo?

The failure is caused by wear in the internal throttle position sensor contacts. What you might experience: If experiencing some of these symptoms, your Volvo likely has a bad electronic throttle module, especially if any codes are present. The problem lies within the throttle position sensor that is integrated into the ETM.

Are there any problems with the Volvo 240?

It commonly fails in the open position allowing super heated air to be drawn into the engine, which reduces performance as well as dramatically shortening the life of the expensive air mass meter. The seats in the 240 are very comfortable when they are in good condition. 240 seats offer excellent adjustable lumbar back support.

Are there any problems with the Volvo system?

Volvo has had problems with this system since it was introduced in 1976. Volvo’s still run into the same issues on their newer models. Possibly in theory Volvos system is better, but in reality it gets overlooked and inevitably becomes clogged up and causes oil leaks and idle problems.

What causes a car to idle rough at idle?

A clogged fuel filter stops the engine from receiving the right amount of fuel causing the engine to be rough idle. Fuel filters are often pretty cheap, and you can easily get the fuel filter removed and replaced from a nearby mechanic or do it yourself if you have some knowledge. 6. Dirty Air Filter

Why does my Volvo stall at a stop light?

Have you experienced volvo stalling problems? A stop light or idle stall often means the engine is not idling fast enough (idle speed too low), or the engine is being lugged down by a load on it created by the air conditioning compressor and/or alternator.

What to do when your Volvo engine stalls?

When this happens, open the hood and check for spark. This can be done by pulling off a plug wire (if the engine has plug wires), and placing the end near the block while a helper cranks the engine. DO NOT hold the wire as it may shock you if the ignition system is working.

What causes a car to stall at idle?

A good charging system should produce about 13.5 to 14.5 volts at idle. Stalls like this are often ignition-related and happen when the engine loses spark. The underlying cause is often a bad crankshaft position sensor, or sometimes a failing ignition coil (if the engine has only one coil).