Mechanics is a relatively methodical profession. However, if there is indeed a problem that is sometimes difficult to understand, it is an unstable slow motion or acceleration holes. Whether for a Toyota Corona, or any other type of vehicle. However, we can help you understand. Indeed, the cause can come from many parts of the engine block, or even electronic. To find the source of the breakdown in your Toyota Corona, you need to follow a fairly simple method. But first, let's see the symptoms of a slowed down idle.idle-problem-Toyota-Corona

Idling problem on a Toyota Corona: symptoms

Un unstable idle close to stall . This is completely the most common slow motion concern. This impression that the vehicle can stall while driving at normal speed, or that the Toyota Corona grazes . It may also happen that the vehicle stalls. In this situation, it is a real danger for the driver. In this case, do not delay taking care of it. We suggest that you carry out your own control via the next paragraph. We can also understand that the Toyota Corona has a concern for acceleration . No link in this case with a concern for idling. Losses of power and acceleration holes will be able to occur for multiple causes. These two phenomena should not be confused. We advise you to read our articles related to power losses.

Toyota Corona: developing a diagnosis to understand the origin of idling

We have to start by carrying out various very simple checks, before going into a little more detail.

Idling of the Toyota Corona: exhaust fumes.

A black smoke comes out of the exhaust. This generally implies that the air and fuel mixture is bad. Or the air filter is clogged. In both situations, a problem of idling can occur on your Toyota Corona. A White smoke comes out of the exhaust. In this case also it can be due to a deregulation. White smoke is usually water vapor. It is therefore plausible that it is a concern of admission or the cylinder head gasket.

Checking the engine block components

As we said, a slowdown problem on a Toyota Corona can come from several elements. You should therefore take the time to carefully scan the engine block. However, it is advisable to be extremely careful and not to tamper with the engine block connections, as this could amplify the breakdown or conceal the source of the problem. We obviously recommend that you go to a car repairer for a more suitable diagnosis. Here are step by step elements to examine.

  • The first thing to do is check all of the hoses . These can be pierced, or even detached.
  • You also have to look at the sensors and sensors of your engine block. It is however difficult to verify that they are working properly. Tutorials are easily found on youtube, and this often requires electronic devices.
  • Perform a check of pressures hydraulic. Once again, the pressure tests require the appropriate tools.

Idle malfunctions are common, however, are complex to diagnose. A visual check on the Toyota Corona will allow you to have an idea, however it is wiser not to venture into amateur DIY.