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 MANUALSCHEVROLET1994LUMINA V6-204 3.4L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - IGNITION SYSTEMIGNITION CONTROL MODULESERVICE AND REPAIR
1994 Chevrolet Lumina V6-204 3.4L DOHC
Ignition Control Module: Service and Repair
1994 Chevrolet Lumina V6-204 3.4L DOHCSECTION Service and Repair
Ignition Module/Coil Assembly Location And Firing Order:
REMOVE OR DISCONNECT:
1. Negative battery cable.
2. DIS Electrical connector.
3. Spark plug wires. (Note wire positions to proper coils).
4. DIS assembly to block bolts.
5. DIS assembly from engine.
INSTALL OR CONNECT:
1. DIS assembly to engine, and tighten the bolts to 25 Nm (19 lb.ft).
2. Spark plug wires to proper coils.
3. DIS Electrical connector.
4. Negative battery cable.
NOTE: The system has a learning ability which allows it to make corrections for minor variations in the fuel system to improve driveability. When the battery is disconnected the computer's memory is cleared and the learning process has to begin all over again. A change may be noticed in the driving performance of the vehicle. To reset the vehicles learning ability, make sure the engine is at operating temperature and operate the vehicle at part throttle, moderate acceleration, and idle conditions, until normal performance returns.
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.