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 MANUALSPONTIAC1987GRAND AM L4-151 2.5LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMTECHNICAL SERVICE BULLETINS
1987 Pontiac Grand AM L4-151 2.5L
Ignition System: Technical Service Bulletins
1987 Pontiac Grand AM L4-151 2.5LSECTION Technical Service Bulletins
- Customer Interest
- By Symptom
- All Technical Service Bulletins
- Engine Controls - Code 42 (Spark Timing) Chart Revised
- Engine Controls - Updated Chart A3, No Start
- Delco Remy Direct Ignition System - Replacement Parts
- Engine - Roughness (Pierced Secondary Ignition)
- Direct Ignition System - Inductive Pickup RPM Reading
- Ignition - Precautions On Use of Spark Tester
- Engine - Miss, Hesitation, or Roughness
- Engine - Miss, Hesitation, or Roughness
- Engine - Miss/Backfire/Hard Start/Hesitation or Stall
- Ignition System - Intermittent No Start
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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.