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.
1983 Volvo 245 GLT, AutomaticFACTORY OEM SERVICE PROCEDURE
Injector Circuits
- Turn ignition off. Connect an ohmmeter between pump relay terminal 87 and ECU terminal 13. Correct resistance should be approximately 4 ohms.
- If meter shows approximately 5.3 ohms, either an injector or injector wire is defective. If meter reads approximately 8 ohms, 2 injectors or injector wires are defective. If meter shows 16 ohms, 3 injectors or injector wires are defective.
- Injectors may be tested separately. Each injector should have a resistance of 16 ohms.
- If the injectors or injector wires are defective, then remove the injector connectors and check each separately. The resistance for each injector should be 16 ohms.
Factory Service Tools
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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.