Suzuki Wagon R Plus RB310, Service Manual

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6-2-154 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE)
Table B-3 Fuel Pressure Check
Troubleshooting
1. Injector 3. Fuel filter and fuel pump B: Hose
2. Delivery pipe A: Gauge C: 3-way joint
NOTE:
Before using the following table, check to make sure that battery voltage is higher than 11 V. If battery
voltage is low, pressure becomes lower than specification even if fuel pump and line are in good con-
dition.
Step Action Yes No
1 Fuel Pressure Check
1) Check fuel pressure referring to “Fuel Pressure
Inspection” under “Fuel Delivery System” in Sec-
tion 6E2.
Are they satisfied each condition?
Go to Step 2. Go to Step 5.
2 Fuel Pressure Check
1) Start engine and warm it up to normal operating
temperature.
2) Keep engine speed to 4000 rpm.
Does fuel pressure shows the value which is about the
same as Step 1?
Go to Step 3. Go to Step 8.
3 Fuel Line Check
1) Check fuel pipe, fuel hose and joint for fuel leak-
age.
Are they in good condition?
Go to Step 4. Repair or replace.