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 MANUALSOLDSMOBILE1989DELTA 88 V6-3800 3.8LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTECHNICAL SERVICE BULLETINS
1989 Oldsmobile Delta 88 V6-3800 3.8L
Powertrain Management: Technical Service Bulletins
1989 Oldsmobile Delta 88 V6-3800 3.8LSECTION Technical Service Bulletins
- Recalls
- Customer Interest
- Electrical - MIL ON/DTC's Set By Various Control Modules
- Electrical - Intermittent MIL/DTC P2138/Reduced Power
- Engine - Deceleration Stall or Long Crank on Start Up
- Engine Controls - Diagnostics For Internally Shorted IAC
- Fuel - Pressure Loss, Restricted Pump Strainer/Filter
- Fuel - Loss of Power or Hesitation When Turning
- Locks - Ignition OFF, Automatic Door Locks Actuate
- ECM/PCM - Damaged or Mis-Diagnosed
- Engine Controls - Cold Start Stall Chuggle at 35-45 MPH
- Engine Controls - Cold Start Stall/TCC Chuggle 35-45
- Engine - Miss, Hesitation, or Roughness
- Engine - Long Crank When Cold
- Engines (Port Fuel Injected) - Recommended Fuels
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- 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 - Deceleration Stall or Long Crank on Start Up
- Engine Controls - Diagnostics For Internally Shorted IAC
- Fuel - Pressure Loss, Restricted Pump Strainer/Filter
- Fuel - Loss of Power or Hesitation When Turning
- Locks - Ignition OFF, Automatic Door Locks Actuate
- ECM/PCM - Damaged or Mis-Diagnosed
- Engine Controls - Cold Start Stall Chuggle at 35-45 MPH
- Engine Controls - Cold Start Stall/TCC Chuggle 35-45
- Engine - Miss, Hesitation, or Roughness
- Engine - Long Crank When Cold
- Engines (Port Fuel Injected) - Recommended Fuels
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- Driveability
- Engine - Deceleration Stall or Long Crank on Start Up
- Engine Controls - Diagnostics For Internally Shorted IAC
- Fuel - Pressure Loss, Restricted Pump Strainer/Filter
- Fuel - Loss of Power or Hesitation When Turning
- Fuel Pump - Cold Start Stall, Hesitation, Loss of Power
- Engine Controls - Cold Start Stall/TCC Chuggle 35-45
- Engine - Miss, Hesitation, or Roughness
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- Fuel System - TOP TIER Detergent Gasoline
- Erratic Operation
- Erratic Shifting
- False instrument warning light/gauges
- High emissions
- Hunting-Surging
- Inoperative
- Noise
- Poor performance
- Recalls
- Starting problems
- All Technical Service Bulletins
- Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
- Vehicle - Engine And Sub-Systems Flushing Recommendations
- Engine - THIS BULLETIN HAS BEEN CANCELED
- Fuel System - Fuel Injector Maintenance Cleaning
- Fuel System - GM Fuel System Treatment PLUS(R) Info.
- Electrical - MIL ON/DTC's Set By Various Control Modules
- Electrical - Intermittent MIL/DTC P2138/Reduced Power
- Recall - Fuel Rollover Assembly May Be Missing
- I/M 240 Repairs - Obtaining Technical Assistance
- Engine - Deceleration Stall or Long Crank on Start Up
- Engine Controls - Diagnostics For Internally Shorted IAC
- Fuel - Pressure Loss, Restricted Pump Strainer/Filter
- Fuel - Loss of Power or Hesitation When Turning
- Fuel Pumps, Pulsators ,Senders - Replacement Parts
- Locks - Ignition OFF, Automatic Door Locks Actuate
- Fuel Pump - Cold Start Stall, Hesitation, Loss of Power
- Spark Plug - Revised Design
- MAP - Revised Output Chart for Codes 33, 34, 63, and 64
- Tools - Introduction Of The Fuel Injector Tester
- Ignition System - Revised Code 41/E041 Chart
- ECM/PCM - Damaged or Mis-Diagnosed
- ECM - Packard 32 Way Connector ID
- Oxygen Sensors - Silica Contamination
- Engine Controls - Cold Start Stall Chuggle at 35-45 MPH
- Engine Controls - Cold Start Stall/TCC Chuggle 35-45
- Recall - Fuel Rollover Valve 89-C-01 Update
- Recall 88V143000: Fuel Rollover Valve Missing
- Recall - Fuel Rollover Valve Assembly
- PRNDL Decoder Module Exchange Test - Revised
- Engine - Miss, Hesitation, or Roughness
- Enhanced IM240 Program - Implementation Plan
- Emission - Enhanced Inspection Maintenance Programs
- I/M 240 Program - Equipment Purchase
- I/M Emissions Diagnostic Manual -Program
- Enhanced Emission I/M - Program Update
- Enhanced Emission Inspection Maintenance - Equipment
- Warranty - Guidelines for I/M 240 Labor
- Emissions Inspection/Maintenance - Labor Operations
- EVAP System - Service of Connectors
- ECM/PCM - Damage Prevention
- Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
- Engine - Long Crank When Cold
- PROM/MEMCAL - Identification Marks
- Fuel - How Fuel Economy Is Determined
- Engines (Port Fuel Injected) - Recommended Fuels
- Fuel - Reformulated/Oxygenated Gasolines
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- Fuel System - E85 Fuel Usage Precaution
- Engine/Fuel System - Oil/Fuel Additive Information
- Fuel System - TOP TIER Detergent Gasoline (Canada)
- Fuel System - TOP TIER Detergent Gasoline
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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.