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 MANUALSPONTIAC1987FIREBIRD V8-350 5.7LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTECHNICAL SERVICE BULLETINS
1987 Pontiac Firebird V8-350 5.7L
Powertrain Management: Technical Service Bulletins
1987 Pontiac Firebird V8-350 5.7LSECTION Technical Service Bulletins
- Customer Interest
- Electrical - MIL ON/DTC's Set By Various Control Modules
- Electrical - Intermittent MIL/DTC P2138/Reduced Power
- Fuel Pump - Noise
- Engine - Hard Starting/Rough Running
- Engine - Long Crank Time
- MAF Sensor - MIL ON/Codes 33/34/36 Set
- Engine - Surge/Misfire/DTC Code 43/Oil In Distributor
- Engine - Miss/Backfire/Hard Start/Hesitation or Stall
- Throttle Body - High Idle/Stalling/Code 34 Set
- Engine - Miss, Hesitation, or Roughness
- Engine - Miss, Hesitation, or Roughness
- MAF Sensor - Service Engine Soon Light/Code 36
- A/T - Buzzing Noise at Idle
- Vehicle - Effect of Fuel Volatility On Driveability
- A/T - THM 440-T4 Second Gear Starts
- 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
- Fuel Pump - Noise
- Engine - Hard Starting/Rough Running
- Engine - Long Crank Time
- MAF Sensor - MIL ON/Codes 33/34/36 Set
- Engine - Surge/Misfire/DTC Code 43/Oil In Distributor
- Engine - Miss/Backfire/Hard Start/Hesitation or Stall
- Throttle Body - High Idle/Stalling/Code 34 Set
- Engine - Miss, Hesitation, or Roughness
- Engine - Miss, Hesitation, or Roughness
- MAF Sensor - Service Engine Soon Light/Code 36
- A/T - Buzzing Noise at Idle
- Vehicle - Effect of Fuel Volatility On Driveability
- A/T - THM 440-T4 Second Gear Starts
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- Driveability
- Engine - Hard Starting/Rough Running
- Engine - Surge/Misfire/DTC Code 43/Oil In Distributor
- Engine - Miss/Backfire/Hard Start/Hesitation or Stall
- Throttle Body - High Idle/Stalling/Code 34 Set
- Engine - Miss, Hesitation, or Roughness
- Engine - Miss, Hesitation, or Roughness
- Engine - Roughness (Pierced Secondary Ignition)
- Vehicle - Effect of Fuel Volatility On Driveability
- 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
- Incorrect gear selection
- Inoperative
- Noise
- Poor performance
- Smoke, Fumes
- 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
- I/M 240 Repairs - Obtaining Technical Assistance
- Electrical - Revised VSS/Ignition Diagrams
- Exhaust - Tailpipe Smoke On Startup Diagnostic Hints
- Fuel Pump - Noise
- Fuel - Normal Pump Run-On
- Fuel - Pump Replacement Caution, Strainer
- Tools - Revised Injector Tester
- Multec Fuel Injectors - Cleaning Information
- Tools - Introduction Of The Fuel Injector Tester
- Port Injection System - Gasoline Recommendation
- Engine - Hard Starting/Rough Running
- Engine - Long Crank Time
- ECM - Revised Replacement Procedure
- Engine Controls - ECM May Contain Wrong PROM
- ECM - Packard 32 Way Connector Identification
- ECM - Packard 32-Way Connector Identification
- ECM/PCM - Damaged and/or Mis-Diagnosed
- Oxygen Sensors - Silica Contamination
- MAF Sensor - MIL ON/Codes 33/34/36 Set
- Mass Air Flow (MAF) Sensor - Code 33 Diagnostics
- Engine - Surge/Misfire/DTC Code 43/Oil In Distributor
- Engine - Miss/Backfire/Hard Start/Hesitation or Stall
- ECM/PCM - Circuit Board Damage Prevention
- Fuel - Feed/Return Pipe Repair Precautions
- Throttle Body - High Idle/Stalling/Code 34 Set
- Engine - Miss, Hesitation, or Roughness
- Engine - Miss, Hesitation, or Roughness
- Ignition - Precautions On Use of Spark Tester
- Engine - Roughness (Pierced Secondary Ignition)
- Emission Systems - State Testing Information
- 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
- EVAP System - Service of Connectors
- Electronics - Electrostatic Discharge Damage
- Engine Controls - Updated Rough/Unstable Idle Chart
- Engine Controls - Static Electrical Damage Precaution
- MAF Sensor - Service Engine Soon Light/Code 36
- Engine Controls - MAP Chart, DTC's 33, 34 ,63 ,64
- Engine Controls - Damage to Electrical Terminals
- Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
- A/T - Buzzing Noise at Idle
- PROM/MEMCAL - Identification Marks
- Vehicle - Effect of Fuel Volatility On Driveability
- Fuel - How Fuel Economy Is Determined
- Fuel Injection System - Fuel Recommendation
- A/T - THM 440-T4 Second Gear Starts
- Fuel Tank Vent Valves - Undercoating
- Fuel - Reformulated/Oxygenated Gasolines
- Fuel - Use of MTBE At 15% or Less In 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
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.