Finally chased down my cold-start issue.
Turned out to be two glow plugs and a bad ground. The ground checklist in here saved me a whole weekend.
1994 F-250
OBS Hub is the central repository and main directory dedicated to OBS Ford trucks and Broncos.
Troubleshoot
Troubleshoot
Choose an answer and follow the next test. Your truck profile controls which flow is shown.
Start with the crank/no-crank split before testing fuel or controls.
Original MVP decision path. Verify tests, specifications, and safety procedures against the correct service manual before replacing parts.
Community shops
Beta directory for diesel specialists, OBS-friendly shops, and trusted local recommendations.
Enter your ZIP code to see beta recommendations.
Beta submissions are reviewed before public listing. Community recommendations are separate from Google ratings.
Repair Library
A searchable repository for official documentation, factory and published manuals, vendor SOPs, custom directions, technical references, and community resources for OBS Ford trucks and Broncos.
Browse the repository
Troubleshoot
Choose a symptom to see OBS Ford videos organized around that problem.
Maintenance
Routine how-to work, organized for the parts and systems you actually touch on a 1992 - 1997 OBS Ford.
Maintenance / Oil
Profile-driven oil, filter, additive, tool, and service-record information for your OBS truck.
1995 F-350 / 7.3 Powerstroke / 4WD / E4OD automaticCommunity
Share your fixes, ask questions, and learn from the OBS owners keeping these trucks on the road.
Turned out to be two glow plugs and a bad ground. The ground checklist in here saved me a whole weekend.
1994 F-250Looking for something that feels close to stock, not a universal fit.
New harness, new gauges, same truck. Posting the before photos tonight.
Community
A focused place to ask questions, share repairs, and find the OBS owners who can help.
Open discussion
Start in the lobby, or choose a room when your question is specific to an engine, body style, or project.
Use the shortest clear terms people would search for, such as stabilizer, rough idle, or fuel pressure. Post to the specific room first, then choose the lobby only when the topic helps every owner.
Vendors
Find OBS-focused vendors, restoration shops, and parts companies recommended by the community.

Riff Raff Diesel makes the hard-to-find parts for your 7.3 work truck.
Visit company
OBS-focused aftermarket parts and ownership upgrades for Bronco and F-Series trucks.
Visit companyOBS-focused suspension, steering, brakes, drivetrain, exterior, and maintenance parts.
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Powerstroke parts and performance support, including a dedicated 1994 - 1997 OBS 7.3L catalog.
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Diesel performance and maintenance parts for fuel, cooling, water pumps, transmissions, and more.
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Wheel and tire packages, suspension, lighting, performance, and a large truck fitment gallery.
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F-Series fabrication, custom metalwork, and OBS Ford parts for truck owners.
Visit F-250 / F-350 collection
Classic Ford truck and Bronco parts for OBS interiors, engines, drivetrain, chassis, tools, and restoration.
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1980 - 1997 Ford truck products across steering, suspension, drivetrain, engine, exterior, interior, and accessories.
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Instrument cluster upgrade kits and electrical-focused products for 1992 - 1996 OBS Ford trucks. Use code MINT GAUGES for 10% off.
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Restoration parts, body components, weatherstripping, interiors, and hardware for classic trucks.
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Broad catalog coverage for maintenance, repair, electrical, cooling, brakes, drivetrain, and replacement parts.
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Diesel-focused O-rings, seals, gaskets, and replacement components for repair and maintenance work.
Visit company
Performance, maintenance, and replacement parts. 800-230-3030 / 1200 Southeast Ave., Tallmadge, OH 44278.
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Aftermarket truck parts and accessories for owners building and maintaining their trucks.
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Turbochargers, performance parts, and diesel tuning support for truck owners.
Visit companyCreators
The best OBS knowledge is already being shared. We organize it, point you to it, and give the creators who keep the trucks alive a place to be found.

Practical products and ownership knowledge for 1980 - 1997 Ford OBS trucks.

Short, focused videos for owners who need the repair answer without the rabbit hole.

Real-world 7.3 Powerstroke content, shop experience, and repair conversations.

OBS Bronco projects, parts, repairs, and build-focused content.

OBS truck ownership, builds, upgrades, and community content.

Diesel-focused truck content, repairs, upgrades, and real-world shop work.

Classic Ford truck and Bronco parts, restoration knowledge, and build content.

Hands-on OBS garage work, repairs, upgrades, and truck projects.

Ford truck performance, restoration parts, suspension, drivetrain, and build content.

26.9K subscribers · 757 videos OBS Ford shop content, repairs, builds, and parts.

Turbocharger education, diesel performance, and truck build content.
Upgrades
Search upgrade paths for the truck in your Garage, then compare vendor products for the way you actually use it.
Vendor spotlight
Search the upgrade directory
Your Garage

My OBS Health Record

7.3 Powerstroke / 4WD / E4OD automatic
Track completed work, notes, receipts, and future maintenance for this truck.
No oil changes recorded yet.
Edit My Health Record
OBS Hub account
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OBS Hub
Effective date: July 30, 2026. These Terms of Use govern access to OBS Hub, including its troubleshooting resources, maintenance information, repair library, community features, vendor and creator directories, affiliate links, and related services.
OBS Hub is an independent enthusiast platform. It is not affiliated with, endorsed by, or sponsored by Ford Motor Company. Ford and related vehicle names, logos, and emblems are trademarks of Ford Motor Company. OBS Hub uses vehicle references only to describe the vehicles and information covered by this community resource.
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OBS Hub provides general educational and reference information. It is not a repair shop, mechanic, engineer, safety inspector, or substitute for the vehicle manufacturer’s service information or a qualified professional. Always verify specifications, procedures, torque values, fluids, parts, and safety requirements for the exact vehicle before working on it.
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