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.
1987 Chevrolet Sprint TurboFACTORY OEM SERVICE PROCEDURE
Feedback System Check
- Turn diagnosis switch on, located under steering column, under left side of dash. See Fig 1 . Turn ignition on, but do not start engine. CHECK ENGINE light will begin to flash a code 12.
- Code 12 will flash 3 times and a trouble code will flash 3 times and continue to cycle in this sequence. See Fig 2 . A code 12 consists of one flash, a short pause and 2 flashes.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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