Pontiac Fiero (1983–1988) Fault Codes & Service Schedule | TroubleAtlas

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Pontiac Fiero (1983–1988)
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PONTIAC FIERO (1983–1988) — Verified Specs, Fluids & OBD2

Built 1983–1988 · all production years covered on this single page

Sport 2.5 (93 Hp) • Petrol (Gasoline)

1988
Pontiac Fiero (1983–1988)

© Wikimedia Commons CC BY-SA

5 Common problems View details →
14 OBD2 codes View details →
18 Recalls / TSB View details →
TroubleAtlas Score
An independent value score for the Pontiac Fiero (1983–1988) — reliability, safety, cost, parts, upkeep and documentation. Owing nothing to the manufacturer.
Scorecard · each voice 0–10
Reliability
n/a
Safety & recalls
n/a
Repair cost
n/a
Parts & repairability
7.3
Maintenance & durability
n/a
Documentation & support
n/a
★ How we calculate this → Methodology
TROUBLEATLAS · SCOREINDEPENDENT · VERIFIED★★TA7.3/10
Independent · Verified · Never for sale

Every figure on this Pontiac Fiero (1983–1988) page is aggregated and cross-checked against more than 6.6 million real workshop operations, NHTSA records and OEM technical sources — and updated continuously. No invented estimates.

The Pontiac Fiero (1983–1988) is powered by a Sport 2.5 (93 Hp) engine. Use the sections below for verified fluids, battery, OEM tyres, the maintenance schedule, recommended parts and the most commonly reported OBD2 fault codes for this vehicle.

⚠️ COMMON PROBLEMS
Transmission fault signal (TCM)MODERATE

The transmission module detected a fault — check separate transmission codes.

Related codes: P0700

Misfire / Loss of cylinderMODERATE

Rough running, idle vibration, power loss.

Related codes: P0300

Thermostat: coolant temperature lowLOW

Thermostat stuck open — engine does not reach operating temperature.

Related codes: P0128

Battery/system voltage lowLOW

System voltage below 10V — check alternator, battery or wiring.

Related codes: P0562

P0011LOW

Check with an OBD2 scanner.

Related codes: P0011

💰 AVERAGE INDICATIVE COSTS

Prices may vary by area and workshop.

🔧
Full service
€ 120 – € 200
🛑
Full brake service
€ 180 – € 300
⚡
Spark plug replacement
€ 80 – € 140
📊
Electronic diagnosis
€ 40 – € 70
💵 WORKSHOP LABOUR RATES BY COUNTRY

Average independent-workshop hourly labour rates, to estimate repair costs in your country.

🇩🇪Germany€95/h
🇪🇸Spain€55/h
🇫🇷France€75/h
🇮🇹Italy€45/h
🇬🇧UK£80/h
🇺🇸USA$120/h
Reference rate
€45/h
Source: Eurostat 2024
💧 FLUIDS & LUBRICANTS
📋 RECALLS & TSB (18)
NHTSA 89V232000
Engine And Engine Cooling › Engine › Gasoline
Date: 28/12/1989
DUE TO AN INTERACTION OF THE ENGINE COMPARTMENT ENVIRONMENT AND MAINTENANCE OR SERVICE RELATED FACTORS, THERE IS A RISK OF ENGINE COMPARTMENT FIRES.
NHTSA 89V232000
Engine And Engine Cooling › Engine › Gasoline
Date: 28/12/1989
DUE TO AN INTERACTION OF THE ENGINE COMPARTMENT ENVIRONMENT AND MAINTENANCE OR SERVICE RELATED FACTORS, THERE IS A RISK OF ENGINE COMPARTMENT FIRES.
NHTSA 89V232000
Engine And Engine Cooling › Engine › Gasoline
Date: 28/12/1989
DUE TO AN INTERACTION OF THE ENGINE COMPARTMENT ENVIRONMENT AND MAINTENANCE OR SERVICE RELATED FACTORS, THERE IS A RISK OF ENGINE COMPARTMENT FIRES.
NHTSA 89V232000
Engine And Engine Cooling › Engine › Gasoline
Date: 28/12/1989
DUE TO AN INTERACTION OF THE ENGINE COMPARTMENT ENVIRONMENT AND MAINTENANCE OR SERVICE RELATED FACTORS, THERE IS A RISK OF ENGINE COMPARTMENT FIRES.
NHTSA 89V232000
Engine And Engine Cooling › Engine › Gasoline
Date: 28/12/1989
DUE TO AN INTERACTION OF THE ENGINE COMPARTMENT ENVIRONMENT AND MAINTENANCE OR SERVICE RELATED FACTORS, THERE IS A RISK OF ENGINE COMPARTMENT FIRES.
NHTSA 90V104000
Engine And Engine Cooling › Engine › Gasoline
Date: 23/04/1990
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 MAINTENANCE OR SERVICE RELATED FACTORS, COULD CAUSE ENGINE COMPARTMENT FIRES.
NHTSA 90V104000
Engine And Engine Cooling › Engine › Gasoline
Date: 23/04/1990
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 MAINTENANCE OR SERVICE RELATED FACTORS, COULD CAUSE ENGINE COMPARTMENT FIRES.
NHTSA 90V104000
Engine And Engine Cooling › Engine › Gasoline
Date: 23/04/1990
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 MAINTENANCE OR SERVICE RELATED FACTORS, COULD CAUSE ENGINE COMPARTMENT FIRES.
NHTSA 90V104000
Engine And Engine Cooling › Engine › Gasoline
Date: 23/04/1990
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 MAINTENANCE OR SERVICE RELATED FACTORS, COULD CAUSE ENGINE COMPARTMENT FIRES.
NHTSA 06E043000
Fuel System, Gasoline
Date: 19/05/2006
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 MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LI…
NHTSA 06E043000
Fuel System, Gasoline
Date: 19/05/2006
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 MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LI…
NHTSA 06E043000
Fuel System, Gasoline
Date: 19/05/2006
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 MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LI…
NHTSA 06E043000
Fuel System, Gasoline
Date: 19/05/2006
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 MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LI…
NHTSA 06E043000
Fuel System, Gasoline
Date: 19/05/2006
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 MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LI…
NHTSA 91V055000
Parking Brake › Conventional
Date: 11/04/1991
PARKING BRAKE ADJUSTER FAILS TO OPERATE AND DO NOT WORK AFTER BRAKE PAD WEAR.
NHTSA 91V055000
Parking Brake › Conventional
Date: 11/04/1991
PARKING BRAKE ADJUSTER FAILS TO OPERATE AND DO NOT WORK AFTER BRAKE PAD WEAR.
NHTSA 91V055000
Parking Brake › Conventional
Date: 11/04/1991
PARKING BRAKE ADJUSTER FAILS TO OPERATE AND DO NOT WORK AFTER BRAKE PAD WEAR.
NHTSA 87V181000
Engine And Engine Cooling › Engine
Date: 01/12/1987
DUE TO AN INTERACTION OF THE ENGINE COMPARTMENT ENVIRONMENT AND MAINTENANCE OR SERVICE RELATED FACTORS, THERE IS AN UNREASONABLE RISK OF CONNECTING ROD FAILURE AND ENGINE COMPARTMENT FIRES.
🔴 DASHBOARD WARNING LIGHTS — UNIVERSAL GUIDE

53 warning lights classified by urgency. Appears on your vehicle? Check the urgency level.

Show all dashboard warning lights
🔴 IMMEDIATE STOP — pull over
Oil Pressure WarningEngine
Engine Temperature WarningCooling
!BRAKE
Brake System WarningBrakes
K
Immobilizer / Key FaultSecurity
🟠 WARNING — check soon
Malfunction Indicator Light (MIL) / Check EngineEngine
Diesel Particulate Filter (DPF)Emissions
+−
Battery / Charging SystemElectrical
Low Fuel WarningFuel
!BRAKE
ABS WarningBrakes
!BRAKE
Brake Pad Wear IndicatorBrakes
!BRAKE
Electronic Parking Brake (EPB)Brakes
!
Power Steering WarningSteering
ESC / Stability Control FaultChassis
Tire Pressure Warning (TPMS)Chassis
Transmission Temperature WarningTransmission
Transmission / Gearbox FaultTransmission
Airbag / SRS WarningActive safety
EGR / Exhaust Gas Recirculation FaultEmissions
Catalytic Converter / Emissions FaultEmissions
AdBlue / DEF Level LowEmissions
Coolant Level LowCooling
Hybrid / EV System WarningHybrid
EV Charge System FaultHybrid
12V Battery (Hybrid/EV Auxiliary)Hybrid
S
Suspension Fault / Air SuspensionSuspension
N
CAN Bus / Network Communication FaultNetwork
Water in Fuel FilterFuel
Diesel Injector FaultFuel
!
Steering Angle Sensor FaultSteering
Turbo / Boost Pressure FaultEngine
Regenerative Braking Fault (Hybrid/EV)Hybrid
🟡 MONITOR
Fuel Cap / Evap SystemEmissions
?
4WD / AWD SystemDrivetrain
L
Bulb Failure WarningLighting
L
Headlight Range / Leveling FaultLighting
Service / Maintenance DueMaintenance
AC
A/C System FaultHvac
Clutch Wear WarningTransmission
A
Cruise Control / ACC FaultADAS
🔵 INFORMATION
Engine Temperature Low (Blue)Cooling
Glow Plug / Diesel PreheatEngine
Traction Control / ESC OffChassis
Seatbelt ReminderActive safety
L
Rear Fog Light IndicatorLighting
A
Lane Departure / LDWS WarningADAS
A
Forward Collision Warning (FCW/AEB)ADAS
A
Blind Spot Monitor FaultADAS
A
Rear Parking Sensor / Camera FaultADAS
Windshield Washer Fluid LowMaintenance
!
Door Open WarningBody
!
Hood / Trunk Open WarningBody
Gear Shift Indicator (Manual)Transmission
Sport / Performance Mode ActiveTransmission
📢 REPORTED COMPLAINTS & PROBLEMS (NHTSA)

106 owner complaints filed with the U.S. National Highway Traffic Safety Administration (NHTSA) for the Pontiac Fiero across model years 1983–1988. These are real, verified reports submitted by vehicle owners.

1 crash report 20 fires 2 injuries
Complaints by model year (most reported first)
Model year 198431
Model year 198629
Model year 198518
Model year 198715
Model year 198813
Most reported components (all years)
Engine And Engine Cooling63
Parking Brake14
Electrical System13
Service Brakes7
Hydraulic7
Engine4
Sample reports
EGR SYSTEM FAILED; ALSO, EXHAUST MANIFOLD/CATALYTIC CONVERTER. *AK (MY 1987)
WHILE DRIVING AT 70 MPH CONSUMER SMELLED SMOKE, PULLED OVER AND NOTICED THAT THE VEHICLE WAS ON FIRE. ANOTHER CONSUMER HELP PUT OUT THE FIRE. THE CONSUMER NOTICED THE WIRES HAD BURNED UP. THE EXHAUST MANIFOLD WAS GETTING TOO HOT AND C… (MY 1984)
UNABLE TO RECEIVE PROPER RECALL WORK ON THE EXHAUST MANIFOLD, DUE TO DEALER PROBLEM. (MY 1986)
THE CONSUMER WAS TOLD THAT THE PARTS WERE NO LONGER AVAILABLE. THE PARKING BRAKE SYSTEM OF THESE VEHICLE'S MAY CONTAIN A NONFUNCTIONAL PARKING BRAKE ADJUSTER. *BF RECALL CAMPAIGN 91V055000; THE CONSUMER RECEIVED A RECALL LETTER FO… (MY 1986)

Source: NHTSA complaints database (U.S. data.gov). Figures cover production years 1983–1988.

Frequently Asked Questions

Does the Pontiac Fiero have any safety recalls?

Yes — 18 official NHTSA recall campaign(s) affect this model, mainly: FUEL SYSTEM, GASOLINE, PARKING BRAKE:CONVENTIONAL. Check the recalls section for your exact year/VIN.

What does fault code P0300 mean on the Pontiac Fiero?

Random/Multiple Cylinder Misfire Detected This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.

What does fault code P0128 mean on the Pontiac Fiero?

Coolant temperature below thermostat regulating temperature — thermostat stuck open or faulty This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.

What does fault code P0011 mean on the Pontiac Fiero?

A Camshaft Position Timing Over-Advanced or System Performance (Bank 1) This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.

Are electrical problems common on the Pontiac Fiero?

Yes — 7 of 83 real owner reports filed with NHTSA mention the electrical. One owner reported: “TL* THE CONTACT OWNS A 1984 PONTIAC FIERO (N/A). THE CONTACT STATED THAT THE HEAD BOLT WOULD BECOME SEPARATED FROM THE ENGINE WHENEVER THE VEHICLE WAS STARTED. THE FAILURE CAUSED OIL TO LEAK ONTO THE …” See the owner-reported complaints section below for more.

Are brakes problems common on the Pontiac Fiero?

Yes — 15 of 83 real owner reports filed with NHTSA mention the brakes. One owner reported: “THE EMERGENCY PARKING BRAKE WAS NOT WORKING BEFORE THE RECALL, AND AFTER THE RECALL WORK WAS DONE THE EMERGENCY PARKING BRAKE WORKED ONLY FOR A MONTH. RECALL 91V-055000. *AK…” See the owner-reported complaints section below for more.

Are engine problems common on the Pontiac Fiero?

Yes — 40 of 83 real owner reports filed with NHTSA mention the engine. One owner reported: “TL* THE CONTACT OWNS A 1984 PONTIAC FIERO (N/A). THE CONTACT STATED THAT THE HEAD BOLT WOULD BECOME SEPARATED FROM THE ENGINE WHENEVER THE VEHICLE WAS STARTED. THE FAILURE CAUSED OIL TO LEAK ONTO THE …” See the owner-reported complaints section below for more.

Which OBD2 fault codes are commonly documented for the Pontiac Fiero (1983–1988)?

Commonly documented OBD2 codes across many vehicles include: P0420, P0300, P0171. Find the full description, likely causes and estimated repair costs in the OBD2 Codes section on this page.

How often should the Pontiac Fiero (1983–1988) be serviced?

Routine maintenance for the Pontiac Fiero (1983–1988) typically includes an oil change every 6,000–9,000 miles (10,000–15,000 km), an air filter every 12,000–18,000 miles (20,000–30,000 km) and a brake inspection every 12,000 miles (20,000 km). Check the full plan with specific intervals in the Scheduled Maintenance section on this page.

Have a specific fault code on your Pontiac Fiero (1983–1988)? Search the code in the OBD2 section of this page or use the full TroubleAtlas DTC database. Need tyres? Compare prices and compatible sizes in the TroubleAtlas comparator.

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