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 MANUALSPORSCHE1982928 AUTOMATIC TRANSREPAIR AND DIAGNOSISENGINE MECHANICALFUEL SYSTEMFUEL INJECTION - BOSCH AFC - EUROPEAN MODELSTESTINGNOTES
1982 Porsche 928 Automatic Trans
Fuel Injection - BOSCH AFC - EUROPEAN Models: Testing: Notes
1982 Porsche 928 Automatic TransSECTION Notes
NOTE:
The Bosch AFC fuel injection system maintains constant fuel pressure in fuel lines and component parts at all times. Be sure to relieve pressure before attempting to open system at any point for testing. For further testing of related components on BMW vehicles, see BMW MOTRONIC EMISSION CONTROL SYSTEM in EXHAUST EMISSION SYSTEMS Section.
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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.