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 MANUALSCHEVROLET1988CAVALIER VL, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMCEC TESTING W/O CODES (TROUBLE SHOOTING)TROUBLE SHOOTINGHARD STARTCHECK IGNITION SYSTEM FOR
1988 Chevrolet Cavalier VL, Standard
Check Ignition System For
1988 Chevrolet Cavalier VL, StandardSECTION Check Ignition System For
- Proper output signal.
- Worn distributor shaft.
- Bare and/or shorted wires.
- Pick-up coil resistance and connections.
- Loose ignition coil ground.
- Moisture in distributor cap (where applicable).
- Remove spark plugs. Check for wet plugs, cracks, wear, improper gap, burned electrodes, or heavy deposits. Repair or replace as necessary.
- If engine starts but then immediately stalls, open distributor by-pass line. If engine then starts and runs, replace distributor pick-up coil.
- If hard start occurs with engine at normal operating temperature, see CRANK SIGNAL DIAGNOSIS chart in the TBI TESTS W/ CODES article in this section.
- Check fuel pump cycle system on 8500-10,000 GVW vehicles with 5.7L and 7.4L engines.
- Check EST circuit No. 423 for short to ground.
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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.