Ignition System Symptom Diagnosis

WARNING: This page is about a different car, the 2007 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.

PROBLEM SYMPTOM CHART

Condition	Possible Cause	Action
Engine cranks, but will not start or hard to start (No spark)	Blown fuse for ignition coil	Replace .
	Loose connection or disconnection of lead wire	Connect securely .
	Faulty spark plug(s)	Replace .
	Faulty ignition coil(s)	Replace .
	Faulty CKP sensor or CKP sensor plate	Clean, tighten or replace .
	Faulty CMP sensor or sensor rotor tooth of camshaft	Clean, tighten or replace .
	Faulty ECM	Replace .
Poor fuel economy or engine performance	Incorrect ignition timing	Check related sensors and CKP sensor plate .
	Faulty spark plug(s)	Adjust, clean or replace .
	Faulty ignition coil assembly	Replace .
	Faulty CKP sensor or CKP sensor plate	Clean, tighten or replace .
	Faulty CMP sensor or sensor rotor tooth of camshaft	Clean, tighten or replace .
	Faulty knock sensor	Replace .
	Faulty ECM	Replace .