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.
Functional Tests (Abnormally Operating System)
If system fails in the preceding tests, utilize the two sets of FUNCTIONAL TESTS (Oldsmobile and Toronado have different tests) and the accompanying electrical and vacuum check charts to assist in testing the system. It is important to remember that at the transducer, the lower the voltage, the higher the vacuum, and the higher the voltage, the lower the vacuum. Many of the functional tests can be performed without using Tester J-22368.
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.