Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSAAB20009-5 AERO, 4D WAGON, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC TESTINGFUEL SYSTEMFUEL PRESSURE/FLOW TESTSFUEL INJECTOR FLOW
2000 Saab 9-5 Aero, 4D Wagon, Standard
Fuel Injector Flow
2000 Saab 9-5 Aero, 4D Wagon, StandardSECTION Fuel Injector Flow
- Remove fuel injectors with fuel rail. See FUEL INJECTORS in REMOVAL, OVERHAUL & INSTALLATION article. Leave injectors connected to fuel rail. Fit a transparent hose about 15" long and 9/16" inside diameter onto end of injector. Place end of hose into a suitable container. Reconnect fuel injector electrical connectors. Connect a jumper wire between the following fuse terminals: on 9-3, between fuse No. 4 upper terminal and fuse No. 32 lower terminal. On 9-5, between fuse No. 8 upper terminal and fuse No. 19 lower terminal.
- Use scan tool to perform injector flow test. Scan tool should continue test for 30 seconds. Measure volume of fuel for each injector. See appropriate FUEL INJECTOR FLOW SPECIFICATIONS
table. Repair or replace any injector that does not meet specifications.FUEL INJECTOR FLOW SPECIFICATIONS (9-3)
Engine Year Milliliters/ 30 Seconds Max. Difference Between Injectors B204E/L 1999-2000 162-180 18 B205L 2000 134-146 12 B205R 2000 162-182 20 B235R (Viggen) 1999 169-183 14 B235R (Viggen) 2000 162-182 20 FUEL INJECTOR FLOW SPECIFICATIONS (9-5)Engine Year Milliliters/ 30 Seconds Max. Difference Between Injectors B235E 1999 169-183 14 B235E (LEV) 2000 162-182 20 B308E 1999-2000 105-113 8
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.