1988 Pontiac Fiero service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- Sport Coupe 2-Door
- Formula Coupe 2-Door
- Value Leader Coupe 2-Door
- GT Coupe 2-Door
Engines covered
- 2.8L 173Cu. In. V6 GAS OHV Naturally Aspirated
- 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
DUE TO AN INTERACTION OF THE ENGINE COMPARTMENT ENVIRONMENT AND MAINTENANCE OR SERVICE RELATED FACTORS, THERE IS A RISK OF ENGINE COMPARTMENT FIRES.
AN ENGINE COMPARTMENT FIRE CAN SPREAD TO THE PASSENGERCOMPARTMENT AND INJURE OCCUPANTS.
CORRECT OR INSTALL NEW ENGINE COMPONENTS TO PREVENT UNREASONABLE FIRE RISK.
PCV GROMMET OIL LEAKS, TRANSMISSION OIL COOLER LEAKS, PISTON CONNECTING ROD FAILURES BREAKING THROUGH ENGINE WALL CAUSING OIL SPILLAGE, FUEL RAIL LEAKS, COOLANT LEAKS, ROCKER COVER OIL LEAKS, AND MAIN
AN ENGINE COMPARTMENT FIRE CAN SPREAD TO THE PASSENGERCOMPARTMENT AND INJURE OCCUPANTS.
CORRECT OR INSTALL NEW COMPONENTS TO PREVENT UNREASONABLE FIRE RISK.
CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURE
THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I
HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB
TL*THE CONTACT OWNS A 1988 PONTIAC FIERO. WHILE THE VEHICLE WAS PARKED, THE CONTACT OBSERVED THAT OIL WAS LEAKING ONTO THE VAL COVER OF THE ENGINE. HE WAS CONCERNED THAT OIL WOULD DRIP ONTO THE CATA
DEAR NHTSA, I AM WRITING IN REGARDS TO AN ISSUE I AM HAVING WITH GM ABOUT NECESSARY RECALL WORK ON AN 1988 PONTIAC FIERO WHILE REPAIRING SOME ITEMS ON THIS AUTO, IT WAS BROUGHT TO MY ATTENTION THAT
DEAR NHTSA, I AM WRITING IN REGARDS TO AN ISSUE I AM HAVING WITH GM ABOUT NECESSARY RECALL WORK ON AN 1988 PONTIAC FIERO WHILE REPAIRING SOME ITEMS ON THIS AUTO, IT WAS BROUGHT TO MY ATTENTION THAT
DT*: THE CONTACT STATED THERE WERE SEVERAL ENGINE PROBLEMS WITH THE VEHICLE. THE ENGINE BECAME LOUD AND WAS TAKEN TO A LOCAL MECHANIC WHERE IT WAS DETERMINED THE EXHAUST MANIFOLD NEEDED TO BE REPLAC
RECALLS 89V232000 AND 90V104000. CONSUMER CONTACTED MANUFACTURER ABOUT ABOVE RECALLS MENTIONED ON THE INTERNET. MANUFACTURER TOLD HIM THAT THE RECALLS WERE OVER, AND VEHICLE HAD ALREADY BEEN SERVICED
Showing the 5 most serious of 19 complaints filed with NHTSA.
