Body Components
Parts Assessed:
Windows, power locks, manual locks, doors, trunk, tailgate, mirrors, power and manual seat controls, seat belts, sunroof, convertible top, glass defects.
Reported Problems:
N/A
Analysis:
No major problem has been reported
Brake System
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).
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.
Heating & Cooling
Parts Assessed
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.
Drivetrain
Parts Assessed
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.
Interior Electronics
Parts Assessed
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.
Cooling System
Parts Assessed
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.
Ignition & Wiring
Parts Assessed
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.
Engine Repairs
Parts Assessed
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.
Exhaust System
Parts Assessed
Reported Problems:
N/A
Analysis:
No major problem has been reported
Fuel & Emissions
Parts Assessed
Reported Problems:
N/A
Analysis:
No major problem has been reported
Onboard Electronics
Parts Assessed
Reported Problems:
N/A
Analysis:
No major problem has been reported
Strange Sounds & Leaks
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.
Reported Problems:
N/A
Analysis:
No major problem has been reported
Exterior Finish
Parts Assessed
Reported Problems:
N/A
Analysis:
No major problem has been reported
Suspension & Steering
Parts Assessed
Reported Problems:
N/A
Analysis:
No major problem has been reported
Transmission Repairs
Parts Assessed
Reported Problems:
N/A
Analysis:
No major problem has been reported
Conclusion
![Picture of Flagship One](https://www.fs1inc.com/blog/wp-content/uploads/2019/06/cropped-web-lg-fs1-logo-411x365.png)
Flagship One
The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.
What Customers Think About Us
R SOCHACKI2025-02-02 Thank you so very much Maria P. Blessings for staying with me even after your normal order hours (EDST I presume).You. Have “Rizz” as the kids say! JD Colon2025-02-02 Thanks .Garry for your help . Gene Johnson2025-02-02 BUSHRA K was the first to contact me about my order and checked back in repetitively to let me know each step as my order was getting programed and up to shipping. Received fairly quickly and once installed is working great. Thank you Flagship one and BUSHRA K Tara Harshaw2025-02-02 Eden j Isidro Olaveja2025-02-02 Ferey D went above and Beyond to assist me. Kelly Kel2025-02-02 Needed a new computer for my F150 and it came with new keys! Seth Hardy2025-02-02 Very quick to fix my issue and very professional Troy Le Blanc2025-02-02 The ordering process was super easy. Will update when part arrives. Steve Cooper2025-02-02 I had called after shopping online to ensure that I was ordering the correct pcm for my vehicle. I spoke with Emar M. who was extremely helpful and eager to make sure that I got the correct one. she put my mind at ease. I would highly recommend. Chase M2025-02-02 Hi, I'm a ASE Certified Technician, for a large corporate company with 25 years in the industry. Flag Ship One Inc. Claims it's plug and play, they even ask for the VIN # . Not in this case. Has problems sourcing this PCM, So gave them a shot! Not only was The VIN not programmed in the PCM, but The PCM Was For a F150 supposed to be a Expedition . I had to flash the PCM and Load as Built to accept it. 1000% Would Not Recommend For Anyone! P S. Custom was Desperate!!
![2003 Mitsubishi Outlander Problems & Reliability Breakdown Pic 2](https://www.fs1inc.com/blog/wp-content/uploads/2025/02/2003-Mitsubishi-Outlander-Problems-Reliability-Breakdown.webp)
1991 Nissan Sentra Problems & Reliability
Last updated on February 8th, 2025 at 11:48 am
2016 Hyundai Elantra Problems & Reliability
Last updated on February 8th, 2025 at 11:36 am
1992 Audi 100 Quattro Problems & Reliability
Last updated on February 8th, 2025 at 11:51 am