Check Engine Light Comes On and Car Started Jerking
Problem:
The check engine light comes on and the car starts jerking. This can be a very dangerous situation, as it can cause the car to stall or lose power, which could lead to an accident.
Causes:
There are many possible causes for this problem, including:
- Spark plugs that are worn out or fouled
- Ignition coils that are failing
- Fuel injectors that are clogged or dirty
- A faulty oxygen sensor
- A vacuum leak
- A problem with the transmission
Symptoms:
In addition to the check engine light coming on, you may also experience other symptoms, such as:
- The car jerking or hesitating when you accelerate
- The car losing power
- The car stalling
- Poor fuel economy
- Rough idling
Diagnosis:
To diagnose the problem, a mechanic will need to perform a series of tests, including:
- Checking the spark plugs and ignition coils
- Cleaning the fuel injectors
- Inspecting the oxygen sensor
- Checking for vacuum leaks
- Testing the transmission
Repair:
The repair for this problem will depend on the underlying cause. Some common repairs include:
- Replacing the spark plugs and ignition coils
- Cleaning the fuel injectors
- Replacing the oxygen sensor
- Fixing the vacuum leak
- Repairing or replacing the transmission
Prevention:
There are a few things you can do to help prevent this problem from occurring, including:
- Regularly maintaining your car
- Using high-quality fuel
- Avoiding driving in extreme conditions
Conclusion:
If your check engine light comes on and your car starts jerking, it is important to have the problem diagnosed and repaired as soon as possible. This can help to prevent the problem from becoming more serious and causing an accident.