Diagnostic Information And Procedures; Engine Symptom Diagnosis - Suzuki GSX1300BK B-King Service Manual

1A-8 Engine General Information and Diagnosis:

Engine Symptom Diagnosis

Condition
Engine will not start or is
hard to start
(Compression too low)
Engine will not start or is
hard to start (Plug not
sparking)
Engine will not start or is
hard to start (No fuel
reaching the intake
manifold)
Engine will not start or is
hard to start (Incorrect
fuel/air mixture)
Engine idles poorly

Diagnostic Information and Procedures

Possible cause
Valve clearance out of adjustment.
Worn valve guide or poor seating of
valve.
Mistimed valve.
Excessively worn piston ring.
Worn-down cylinder bore.
Too slow Starter motor cranking.
Poor seating of spark plug.
Fouled spark plug.
Wet spark plug.
Defective ignition coil.
Defective CKP sensor.
Defective ECM.
Open-circuited wiring connection.
Clogged fuel filter or fuel hose.
Defective fuel pump.
Defective fuel pressure regulator.
Defective fuel injector.
Defective fuel pump relay.
Defective ECM.
Open-circuited wiring connection.
TP sensor out of adjustment.
Defective fuel pump.
Defective fuel pressure regulator.
Defective TP sensor.
Defective CKP sensor.
Defective IAP sensor.
Defective ECM.
Defective ECT sensor.
Defective IAT sensor.
Defective AP sensor.
Clogged ISC valve air passage way.
Valve clearance out of adjustment.
Poor seating of valve.
Defective valve guide.
Worn down camshaft.
Too wide spark plug gap.
Defective ignition coil/plug cap.
Defective CKP sensor.
Defective ECM.
Defective TP sensor.
Defective fuel pump.
Imbalanced throttle valve.
Damaged or cranked vacuum hose.
Damaged or clogged ISC valve.
ISC incorrect leaning.
Correction / Reference Item
Adjust.
Repair or replace.
Adjust.
Replace.
Replace.
Refer to "Starting System Diagram in Section
1I (Page 1I-1)".
Retighten.
Clean.
Clean and dry.
Replace.
Replace.
Replace.
Repair or replace.
Clean or replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Check and repair.
Adjust.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Repair or replace.
Adjust.
Replace or repair.
Replace.
Replace.
Adjust or replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Adjust.
Replace.
Repair or replace.
Reset learned value.
B823H11104001