Suzuki GSX-R1000 User Manual

1G-4 Fuel System:
Diagnostic Information and Procedures
Fuel System Diagnosis
B947H11704001
Condition Possible cause Correction / Reference Item
Engine will not start or is
hard to start (No fuel
reaching the intake
manifold)
Clogged fuel filter or fuel hose. Clean or replace.
Defective fuel pump. Replace.
Defective fuel pressure regulator. Replace.
Defective fuel injector. Replace.
Defective fuel pump relay. Replace.
Defective ECM. Replace.
Open-circuited wiring connection. Check and repair.
Engine will not start or is
hard to start (Incorrect
fuel/air mixture)
TP sensor out of adjustment. Adjust.
Defective fuel pump. Replace.
Defective fuel pressure regulator. Replace.
Defective TP sensor. Replace.
Defective CKP sensor. Replace.
Defective IAP sensor. Replace.
Defective ECM. Replace.
Defective ECT sensor. Replace.
Defective IAT sensors. Replace.
Defective AP sensors. Replace.
Clogged ISC valve air passage way. Repair or replace.
Engine stalls often
(Incorrect fuel/air mixture)
Defective IAP sensor or circuit. Repair or replace.
Clogged fuel filter. Clean or replace.
Defective fuel pump. Replace.
Defective fuel pressure regulator. Replace.
Defective ECT sensor. Replace.
Defective thermostat. Replace.
Defective IAT sensor. Replace.
Damaged or cracked vacuum hose. Replace.
Damaged or cracked ISC valve. Repair or replace.
Engine stalls often (Fuel
injector improperly
operating)
Defective fuel injector. Replace.
No injection signal from ECM. Repair or replace.
Open or short circuited wiring
connection.
Repair or replace.
Defective battery or low battery voltage. Replace or recharge.
Engine runs poorly in
high speed range
(Defective control circuit
or sensor)
Low fuel pressure. Repair or replace.
Defective TP sensor. Replace.
Defective IAT sensor. Replace.
Defective CMP sensor. Replace.
Defective CKP sensor. Replace.
Defective GP switch. Replace.
Defective IAP sensor. Replace.
Defective ECM. Replace.
TP sensor out of adjustment. Replace.
Defective STP sensor and/or STVA. Replace.
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Suzuki GSX-R1000 Specifications

General

Brand	Suzuki
Model	GSX-R1000
Category	Motorcycle
Language	English