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 MANUALSBUICK1987ELECTRA V6-231 3.8L VIN 3 FIREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTECHNICAL SERVICE BULLETINS
1987 Buick Electra V6-231 3.8L VIN 3 FI
Computers and Control Systems: Technical Service Bulletins
1987 Buick Electra V6-231 3.8L VIN 3 FISECTION Technical Service Bulletins
- Recalls
- Customer Interest
- Electrical - MIL ON/DTC's Set By Various Control Modules
- Electrical - Intermittent MIL/DTC P2138/Reduced Power
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- Connector Terminals - Contact Checking Procedure
- MIL ON, Intermittent TCC, DTC 62/26 Set
- ECM - MIL ON/False Code 32/or False Code E032
- Engine - Intermitent MIL ON/Cold Start Stalling
- Engine - Does Not Stay Running On Initial Cold Start
- Camshaft Sensor Interrupter - Broken (No Start Code)
- By Symptom
- Abnormal wear/deterioration
- Customer Interest
- Electrical - MIL ON/DTC's Set By Various Control Modules
- Electrical - Intermittent MIL/DTC P2138/Reduced Power
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- Connector Terminals - Contact Checking Procedure
- MIL ON, Intermittent TCC, DTC 62/26 Set
- ECM - MIL ON/False Code 32/or False Code E032
- Engine - Intermitent MIL ON/Cold Start Stalling
- Engine - Does Not Stay Running On Initial Cold Start
- Camshaft Sensor Interrupter - Broken (No Start Code)
- Driveability
- Erratic Shifting
- False instrument warning light/gauges
- Inoperative
- Low, Dead battery
- Recalls
- All Technical Service Bulletins
- Engine - THIS BULLETIN HAS BEEN CANCELED
- Electrical - MIL ON/DTC's Set By Various Control Modules
- Electrical - Intermittent MIL/DTC P2138/Reduced Power
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- Connector Terminals - Contact Checking Procedure
- MIL ON, Intermittent TCC, DTC 62/26 Set
- Scantool - P/S PID Display Changed Due To PROM Update
- Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
- MAP - Revised Chart C-1D, DTC's 33, 34, 63, 64
- Engine Controls - Damage to Wiring Terminals
- Stall Diagnosis Guidelines - Available
- Ignition System - Service Manual Revision
- Overview
- Chart A-3 Engine Cranks But Won't Run "Type I C(3)I" (VIN 3 & B)
- Chart A-3 Engine Cranks But Won't Run "Type II C(3)I" (VIN 3 & B)
- Chart C-4F-1 C(3)I Misfire At Idle (VIN 3 & B)
- Chart C-4F-2 C(3)I Misfire Under Load (VIN 3 & B)
- Chart A-3 Engine Cranks But Won't Run (VIN L)
- Chart C-4F-1 C(3)I Misfire At Idle (VIN L)
- Chart C-4F-2 C(3)I Misfire Under Load (VIN L)
- Chart A-3 Engine Cranks But Won't Run (VIN 7)
- Chart C-4F-1 C(3)I Misfire At Idle (VIN 7)
- Chart C-4F-2 C(3)I Misfire Under Load (VIN 7)
- Battery - Revised Ammeter Connecting (Parasitic Drain)
- PCM - Intermittent False Trouble Code 32
- ECM - MIL ON/False Code 32/or False Code E032
- Engine - Intermitent MIL ON/Cold Start Stalling
- Engine - Does Not Stay Running On Initial Cold Start
- Camshaft Sensor Interrupter - Broken (No Start Code)
- Oxygen Sensors - Silica Contamination
- Campaign - Mass Air Flow Sensor Inspection/Replacement
- Engine Controls - Use of Crank Sensor Adjusting Tool
- PROM/MEMCAL - Identification Marks
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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.