Surges (Engine power variation under steady throttle or cruise. Feels like the vehicle speeds up and down with no change in the accelerator pedal.) - Suzuki Jimny Workshop Manual

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Surges (Engine power variation under steady throttle or cruise. Feels like the vehicle speeds up and down with no change in the accelerator pedal.)

Perform troubleshooting referring to the followings when ECM has detected no DTC and no abnormality has been found in Visual Inspection:M13A with VVT and Engine Basic Inspection:M13A with VVT .

Condition	Possible Cause	Action
Surges (Engine power variation under steady throttle or cruise. Feels like the vehicle speeds up and down with no change in the accelerator pedal.)	Leaky or loosely connected high-tension cord	High-Tension Cord Inspection:M13A
	Faulty spark plug (excess carbon deposits, improper gap, burned electrodes, etc.)	Spark Plug Inspection:M13A
	Variable fuel pressure	Fuel Pressure Check:M13A with VVT
	Kinky or damaged fuel hose and lines
	Faulty fuel pump (clogged fuel filter)
	Malfunctioning EGR valve	EGR System Inspection (If Equipped):M13A
	Poor performance of MAF sensor	Mass Air Flow (MAF) and Intake Air Temperature (IAT) Sensor Inspection:M13A
	Faulty fuel injector	Fuel Injector Circuit Check:M13A with VVT
	Faulty ECM