- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
Replace spark plugs, air and fuel filter. That is ordinary mainteinance.
Ensure that you have spark on 4 cylinders.
Go to a garage and have car ECU (computer) scanned to retrieve error codes. That will tell you where problem can be.
Have vacuum system and fuel pump tested. This is done using a gauge tool.
Have compression tested.
Check O2 sensor, if the problem is particularly bad when engine is cold , also check AIT and MAF sensor.