Description
Product Overview
The iFJF EGR Simulator & Block Off Plate Kit delivers a complete two-component solution for Ford owners battling persistent EGR system failures on 1986–1995 trucks and Mustangs. This kit pairs our plug-and-play electronic EGR simulator with a precision CNC-machined billet aluminum block off plate — giving you both the electronic bypass and the mechanical seal in one package.
Designed specifically for the 2.8L V6, 4.9L inline-six, and 5.0L V8 engine platforms found in the Ford F-150, Bronco, and Mustang, this kit addresses the two most common EGR failure points simultaneously. The electronic simulator module plugs directly into your factory EGR valve connector and sends the correct voltage signal to the ECU, preventing diagnostic trouble codes (DTCs) and the dreaded check engine light. Meanwhile, the block off plate permanently seals the EGR port on the intake manifold, eliminating vacuum leaks and exhaust gas recirculation entirely.
Every component is manufactured in-house from 6061-T6 billet aluminum on CNC machining centers, then paired with stainless steel mounting hardware for corrosion resistance that outlasts the factory parts. Whether you're restoring an OBS Ford, building a track-focused Mustang, or simply tired of chasing EGR fault codes on your daily driver, this kit provides a permanent fix with straightforward bolt-on installation.
Key Features
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Dual-Component System — Electronic EGR simulator module + CNC billet aluminum block off plate work together to eliminate both EGR fault codes and physical exhaust gas recirculation on 1986–1995 Ford vehicles.
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Vehicle-Specific Simulator Tuning — The electronic module is calibrated to match the OEM EGR valve position sensor voltage curve for 2.8L, 4.9L, and 5.0L Ford engines, ensuring the ECU receives expected feedback without triggering P0401, P0402, or P0405 codes.
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6061-T6 Billet Aluminum Construction — Both the block off plate and simulator housing are CNC machined from aerospace-grade 6061-T6 aluminum for superior thermal stability, corrosion resistance, and dimensional accuracy compared to stamped steel alternatives.
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Stainless Steel Hardware Included — All mounting bolts, washers, and gaskets are grade 304 stainless steel, eliminating the rust and seizure issues common with factory carbon steel fasteners in high-heat EGR locations.
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True Plug-and-Play Installation — No tuning, no ECU reflash, no wire cutting required. The simulator connects to the factory EGR harness using the OEM-style weatherproof connector; the block off plate bolts to the intake manifold using existing mounting points.
Compatibility
| Year Range |
Make |
Model |
Engine |
| 1986–1995 |
Ford |
F-150 |
2.8L V6 / 4.9L I6 / 5.0L V8 |
| 1986–1995 |
Ford |
F-250 |
4.9L I6 / 5.0L V8 |
| 1986–1995 |
Ford |
Bronco |
4.9L I6 / 5.0L V8 |
| 1986–1995 |
Ford |
Mustang |
2.8L V6 / 5.0L V8 |
Not compatible with: 5.8L (351W) or 7.5L (460) engines. For those applications, see our full-size truck EGR Simulator Eliminator Kit.
Specifications
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Block Off Plate Material: 6061-T6 billet aluminum, CNC machined
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Simulator Housing Material: 6061-T6 billet aluminum with potting-sealed electronics
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Plate Thickness: 6.35 mm (1/4")
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Surface Finish: Natural machined with deburred edges
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Hardware: Grade 304 stainless steel bolts, flat washers, lock washers
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Gasket: High-temperature fiber composite gasket (included)
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Connector Type: OEM-compatible weatherproof 3-pin EV1 style
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Package Weight: Approximately 0.45 kg (1.0 lb)
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Package Contents: 1× EGR simulator module, 1× billet aluminum block off plate, 1× fiber gasket, stainless steel hardware kit, installation guide
Installation Notes
- Disconnect the negative battery terminal before starting.
- Unplug the factory EGR valve electrical connector and remove the EGR valve from the intake manifold.
- Clean the intake manifold mating surface thoroughly to ensure a proper seal.
- Position the provided fiber gasket and block off plate over the EGR port, then torque the stainless steel bolts to 20–25 ft-lbs in a cross pattern.
- Connect the iFJF EGR simulator module to the factory EGR harness connector.
- Secure the simulator module away from direct exhaust heat using the included zip-tie mount.
- Reconnect the battery. No ECU relearn procedure is required — the simulator outputs the correct voltage immediately.
Estimated install time: 30–45 minutes with basic hand tools.
Frequently Asked Questions
Will this prevent the check engine light from coming on?
Yes. The electronic simulator sends the correct 0.5–4.5V position sensor signal to the ECU, mimicking a properly functioning EGR valve. This prevents P0401 (insufficient flow), P0402 (excessive flow), and P0405 (sensor circuit low) diagnostic trouble codes on 1986–1995 Ford EEC-IV systems.
Does this kit require a tune or ECU reflash?
No. This is a hardware-only solution. The simulator module interfaces directly with the factory EGR valve connector — no PCM programming, no chip installation, and no laptop tuning required. This is a critical advantage over software-based EGR delete solutions that require custom tuning and may fail emissions readiness checks.
What's the difference between this kit and your other Ford EGR kits?
This kit is specifically calibrated for the 2.8L V6, 4.9L I6, and 5.0L V8 engine families and includes both the electronic simulator and the block off plate in one package. For 5.8L and 7.5L big-block applications, see our full-size truck kit. For a pure mechanical solution without electronics, see our EGR delete kit with exhaust manifold cap.
Is this kit compatible with my 1994 F-150 5.0L?
Absolutely. The 1994 F-150 with the 5.0L (302) V8 is one of the most common applications for this kit. It also fits 1994–1995 models with the MAF (mass air flow) ECU variant — the simulator voltage curve is compatible with both speed-density and mass-air EEC-IV systems.
Will this work on a California-emissions vehicle?
This kit is designed and sold for off-road and competition use only. It is not CARB-certified and does not carry an EO number. Removing or bypassing EGR systems on vehicles operated on public roads may violate federal and state emissions regulations. California-registered vehicles subject to smog inspection will not pass with the EGR system disabled or modified.
What gasket material is included?
We include a high-temperature fiber composite gasket rated for continuous operation at 500°F (260°C). This material provides superior sealing at the intake manifold surface compared to paper or cork gaskets, which can degrade under sustained under-hood heat cycles.
Can I reuse my factory EGR bolts?
We strongly recommend using the included stainless steel hardware. Factory EGR bolts on 30+ year old Fords are frequently corroded, stretched, or seized. Our grade 304 stainless bolts provide fresh threads, consistent torque values, and long-term corrosion resistance in this high-heat location.
📖 Learn More: Ford EGR Delete Guide
Not sure which EGR solution is right for your Ford? Read our Complete EGR Delete Guide for 1986–1995 OBS Fords — covering cost comparison, installation walkthrough, legal considerations, and compatibility across all engine families.
⚠️ Off-Road Use Only
This EGR simulator and block off plate kit is intended for off-road, racing, and competition vehicles only. Removal or modification of emissions control equipment on vehicles operated on public roads is prohibited under the Clean Air Act and may violate state and local emissions regulations. The purchaser assumes all responsibility for compliance with applicable laws. iFJF accepts no liability for improper use or installation of this product.
