Mechanics is a relatively logical profession. However, if there is indeed a phenomenon that is sometimes hard to explain, it is unstable idling or loss of acceleration. Whether it concerns a Toyota Corolla 7, or any other type of car. Nevertheless we are here to help you. Indeed, the reason can happen to many components of the engine block, even electronic. To find the origin of the failure of this Toyota Corolla 7, you must follow a strict procedure. But first, we will see the symptoms of poor idling.idle-problem-Toyota-Corolla-7

Idling problem on a Toyota Corolla 7: the symptoms

Un unstable idle close to stall . This is completely the most common problem at idle. That feeling that the engine is going to stall while driving at an ordinary speed, or that the Toyota Corolla 7 grazes . It may happen that the vehicle stalls. Therefore, it is a real danger for the motorist. If so, don't wait too long to deal with it. We invite you to carry out your own control through the next paragraph. It can also be understood that the Toyota Corolla 7 has a acceleration problem . No report this time with an idle problem. Losses of power and acceleration holes can happen for multiple causes. We must avoid confusing these two symptoms. We advise you to read our posts related to power losses.

Toyota Corolla 7: develop a diagnosis to understand the origin of idling

You need to start by doing a number of relatively easy checks, just before going into more detail.

Idle of the Toyota Corolla 7: exhaust fumes.

A black smoke comes out of the exhaust. Usually this means that the air and fuel mixture is bad. Or that your air filter is cluttered. In both situations, an idling problem can occur on your Toyota Corolla 7. White smoke comes out of the exhaust. In this case again it can be the result of a disorder. White smoke is usually water vapor. It is therefore possible that it is an intake or cylinder head gasket problem.

Checking the engine block components

As we have seen, an idling problem on the Toyota Corolla 7 can stem from several points. You must therefore take the time to carefully examine the engine block. However, it is still advisable to be extremely careful and not to tamper with the connections of the engine block, as this can amplify the malfunction or divert the cause of the problem. We naturally advise you to go to an auto repairer for a more in-depth check. There are therefore point by point the components to be checked.

  • The first thing to do is check all of the hoses . These can be pierced or even detached.
  • You also need to review the sensors and sensors of your engine block. It is however complex to control their good functioning. Tutorials are easily found on youtube, and this often requires electronic devices.
  • Perform a check of pressures hydraulic. Again, the pressure controls require adequate equipment.

Idling concerns are common, but are difficult to diagnose. A visual check on the Toyota Corolla 7 gives the opportunity to have a clearer vision, however it is still more judicious not to venture into amateur DIY.