http://www.2carpros.com/articles/engine-misfires-or-runs-rough

1.Defective spark plugs
2.Inadequate spark/coil,defective spark plug wire.
3.Lack of compression
4.False air leakage.
5.Faulty fuel injectors.
6.Insufficient fuel pressure.
7.Contaminated fuel.
8.EGR valve that is leaking.
9.Oxygen sensors.
10.Throttle position sensor.
11.Manifold absolute pressure sensor
12.Mass Airflow Sensor
13.Idle air control valve

Note: If it doesn't apply disregard it-

Answered by rasmataz
68 questions asked

well the answer to all these problems ,it was a stretched timing chain, had a dealer change it ,it was still under warranty by suzuki. poss due to wrong oil put in by shop , you need to make sure oil is changed and correct oil put in when oil change is due. thanks for all the help.

Response from klitis192
6 questions asked

Your welcome

Answered by rasmataz
68 questions asked