What causes a Toyota Camry to idle roughly?

What causes a Toyota Camry to idle roughly?

Here are the main components of the ignition system, as well as what would cause them to make your Camry idle roughly. Spark Plugs – One of the absolute most common causes (if not the most common reason that your Camry may be misfiring) is the spark plugs.

Why does my Toyota Camry shake at 500 rpm?

The idle may fall to about 500 rpm and noticeable shaking may occur. Removing the engine load by selecting neutral or turning off the AC frequently restores normal idle. This issue is widely reported across the Camry line and a number of fixes have worked for Camry owners.

What are the O2 sensors on a Toyota Camry?

The oxygen sensors that are equipped in your Toyota Camry are responsible for monitoring the exhaust to help the ECU determine the correct air/fuel mixture. Of all the sensors equipped in your vehicle, the O2 sensors may have it the hardest. They deal with super hot exhaust that can cover them in deposits that can leave them ineffective.

Why are the spark plugs on my Toyota Camry not working?

Spark Plugs – One of the absolute most common causes (if not the most common reason that your Camry may be misfiring) is the spark plugs. Although most modern vehicles use iridium spark plugs, they still need to be changed at the manufacturers recommended interval.

Why does my Toyota Camry make a clacking noise?

There are all sorts of things that can cause engine noise. However, you can differentiate between them by how the noises sound. Whining often infers problems with belts, clacking can point to problems with the valves, while knocks can range from bad spark or spun bearings.

What to do if you have a Toyota Camry engine problem?

The easy solution: if you own a Camry made between 1997 and 2001, check the oil frequently and add oil as needed. An engine rebuild is an option too, only that can be expensive.

Why does my Toyota Camry have a leaking head gasket?

Leaking Head Gasket: This generation of Camry sometimes has problems with a bad head gasket design that causes serious oil leakage. Symptoms include smoke coming out from under the hood, dirty coolant, white smoke coming out of the tailpipe (even after the car has warmed up), and of course engine failure.