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 MANUALSPONTIAC1989GRAND PRIX V6-191 3.1LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTAPPLICATION AND IDENGINE VIN CODE IDENTIFICATION
1989 Pontiac Grand Prix V6-191 3.1L
Engine VIN Code Identification
1989 Pontiac Grand Prix V6-191 3.1LSECTION Engine VIN Code Identification
V.I.N. PLATE LOCATION:
MODEL YEAR AND ENGINE IDENTIFICATION:
To identify any engine by the manufacturer's code, follow the four steps designated by the numbered blocks.
1 - MODEL YEAR IDENTIFICATION: Refer to illustrations of the Vehicle Identification Number (V.I.N.). The year is indicated by a code letter.
2 - ENGINE CODE LOCATION: Refer to V.I.N. plate illustration. The engine code is indicated as a letter or number.
ENGINE IDENTIFICATION 1989:
3 - ENGINE CODE: In the "CODE" column, find the engine code determined in Step 2.
4 - ENGINE IDENTIFICATION: On the line where the engine code appears, read to the right to identify the engine.
RENDER: 1.0x
NO RELATED
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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.