If you’re a fan of classic SUVs or just someone who appreciates a good throwback, the 1998 Ford Expedition might have caught your eye. This beast of a vehicle, with its rugged design and spacious interior, was a staple of the late '90s and a favorite among families and adventurers alike. However, like any vehicle that’s been around the block a few times, the 1998 Expedition has its fair share of quirks and issues. Whether you’re considering buying one or just curious about its legacy, it’s worth diving into the common problems and overall reliability of this iconic SUV.
In this blog post, we’ll explore some of the most frequently reported issues with the 1998 Ford Expedition, from engine troubles to electrical gremlins. We’ll also take a look at how these problems impact the vehicle’s reliability and what you can expect if you’re thinking about adding one to your garage. So, buckle up and join us on this journey through the ups and downs of owning a 1998 Ford Expedition, and find out if this classic ride is still worth the investment today.
Brake System
Reported problems
- TSB For Possible Ejection of Spark Plug From Cylinder Head
Analysis
The 1998 Ford Expedition has a known issue with the potential ejection of spark plugs from the cylinder head, which can be a significant reliability concern. This problem can lead to engine misfires and costly repairs if not addressed promptly. While the Expedition is generally a robust vehicle, this specific issue is something owners should be aware of and monitor closely.
Parts assessed: Brake pads, brake rotors, brake calipers, anti-lock braking system (ABS), brake lines, brake master cylinder, brake booster, parking brake, brake sensors, regenerative braking system (if applicable).
Heating & Cooling
Reported problems
- Ignition Coil Failure Due to Excessive Spark Plug Gap
Analysis
The 1998 Ford Expedition has been known to experience ignition coil failure, often due to an excessive spark plug gap. This issue can lead to misfires and reduced engine performance, which might be a bit of a headache for owners. While its a common problem, regular maintenance and timely spark plug checks can help keep your Expedition running smoothly.
Parts assessed: Air conditioning compressor, AC condenser, AC evaporator, heater core, blower motor, automatic climate control system, refrigerant leaks, HVAC electrical components, temperature sensors, ventilation system.
Drivetrain
Reported problems
- Check Engine Light After Hesitation or Stalling
Analysis
The 1998 Ford Expedition seems to have a common issue with the check engine light coming on after experiencing hesitation or stalling. This problem can be a bit of a headache for owners, as it often indicates underlying issues that need attention, like problems with the fuel system or ignition components. While it’s not a deal-breaker, it’s something to keep an eye on to maintain the vehicle’s overall reliability.
Parts assessed: CV joints, driveshaft, axles, differential, limited-slip differential (if applicable), traction control system, electronic stability control (ESC), four-wheel-drive (4WD) components, all-wheel-drive (AWD) components, transfer case, driveline vibration.
Interior Electronics
Reported problems
- Rough Idle Caused By EGR Sensor Sticking
Analysis
The 1998 Ford Expedition is known to have some issues with rough idling, often caused by the EGR sensor sticking. This problem can lead to a less smooth driving experience, but it’s generally fixable with some maintenance. Overall, while the Expedition is a solid vehicle, keeping an eye on the EGR sensor can help maintain its reliability.
Parts assessed: Infotainment system, GPS navigation, Bluetooth connectivity, touchscreen display, phone pairing, backup camera, rear entertainment system, head-up display, instrument cluster, digital gauges.
Cooling System
Reported problems
- Rough Idle Due to Cracked PCV Hose
Analysis
The 1998 Ford Expedition is known to have a few issues, one of which is a rough idle caused by a cracked PCV hose. This problem can lead to engine performance issues, but it’s generally a straightforward fix once identified. Overall, while this issue can be a bit of a hassle, it doesn’t significantly impact the overall reliability of the vehicle if addressed promptly.
Parts assessed: Radiator, radiator hoses, cooling fan, water pump, thermostat, antifreeze leaks, engine coolant reservoir, overheating prevention system, intercooler (if applicable).
Ignition & Wiring
Reported problems
- Smelling Coolant and Overheating With No Visible Leaks
Analysis
The 1998 Ford Expedition seems to have some issues with smelling coolant and overheating, even when there are no visible leaks. This could point to problems like a faulty radiator cap, a bad thermostat, or even a hidden leak somewhere in the system. While these issues can be frustrating, they are not uncommon in older vehicles and can usually be fixed with some troubleshooting and repairs.
Parts assessed: Alternator, battery, ignition switch, ignition coil, spark plugs, ignition wires, engine control module (ECM), electronic ignition system, auto stop/start function, battery cables, engine wiring harness, fuse box, relays, starter motor.
Engine Repairs
Reported problems
- Check Engine Light due to worn spark plugs
Analysis
The 1998 Ford Expedition is known to have a few issues, with the check engine light often coming on due to worn spark plugs being a common one. While this problem can be a bit annoying, it’s generally an easy fix and doesn’t necessarily indicate a major reliability issue with the vehicle. Overall, as long as you keep up with regular maintenance, the Expedition can still be a dependable ride.
Parts assessed: Engine rebuilds, cylinder head, head gasket, timing chain, timing belt, camshaft, crankshaft, connecting rods, turbocharger or supercharger (if applicable), valve train, piston rings, oil control system, engine knocking, engine misfires.
Systems with no reports
8 systems have no reported problems
- Body Components
No major problem has been reported
Parts assessed: Windows, power locks, manual locks, doors, trunk, tailgate, mirrors, power and manual seat controls, seat belts, sunroof, convertible top, glass defects.
- Exhaust System
No major problem has been reported
Parts assessed: Muffler, catalytic converter, exhaust manifold, heat shields, exhaust pipes, oxygen (O₂) sensors, resonator, exhaust leaks, emissions control system.
- Fuel & Emissions
No major problem has been reported
Parts assessed: Fuel pump, fuel injectors, fuel rail, fuel pressure regulator, throttle body, fuel gauge sensor, evaporative emissions system, EGR (exhaust gas recirculation) valve, charcoal canister, fuel filter, fuel tank, vapor leaks.
- Onboard & Powertrain Electronics
No major problem has been reported
Parts assessed: Cruise control, keyless entry system, push-button start, wiper motor, warning lights, power mirrors, interior lighting, exterior lighting, dashboard indicators, electronic parking brake, tire pressure monitoring system (TPMS), alarm and security system, remote engine start, heated and ventilated seats, heated steering wheel, wireless charging pad.
- Strange Sounds & Leaks
No major problem has been reported
Parts assessed: Dashboard rattles, squeaks, wind noise, door seals, weather stripping, water leaks, air leaks, excessive road noise, suspension noise, drivetrain noise, exhaust rattles, engine bay noises.
- Exterior Finish
No major problem has been reported
Parts assessed: Paint durability, clear coat protection, rust prevention, corrosion resistance, body panel alignment, door seals, window trim, plastic trim, metal finishes, fading, cracking, peeling.
- Suspension & Steering
No major problem has been reported
Parts assessed: Struts, shocks, control arms, sway bars, ball joints, tie rods, wheel bearings, power steering pump, power steering fluid leaks, electronic power steering (EPS), steering rack and pinion, steering linkage, alignment issues, torsion bars, springs, air suspension (if applicable).
- Transmission Repairs
No major problem has been reported
Parts assessed: Transmission rebuild, transmission replacement, torque converter, transmission solenoids, gear selector, gear shifting, transmission control module (TCM), transmission fluid leaks, clutch (manual transmission), automatic transmission valve body, CVT (continuously variable transmission) components, dual-clutch transmission (DCT) components.