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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSOLDSMOBILE1991CALAIS L4-151 2.5LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMIGNITION CONTROL MODULESERVICE AND REPAIR
1991 Oldsmobile Calais L4-151 2.5L
Ignition Control Module: Service and Repair
1991 Oldsmobile Calais L4-151 2.5LSECTION Service and Repair
Coil Assembly:
Remove or Disconnect
1. Negative battery cable.
2. DIS assembly from engine.
3. Coils from assembly.
4. Module from assembly plate.
Install or Connect
1. Module to assembly plate. (Carefully engage sensor to module terminals.)
2. Coils.
3. DIS assembly to engine.
4. Negative battery cable.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.