OBS 7.3L Driven Diesel Overboost Annihilator Eliminate overboost-related defueling and keep full power on your tuned 7.3L Powerstroke with the Driven Diesel Overboost Annihilator. This mechanical boost control solution prevents the PCM from triggering the Service Engine Soon light and pulling fuel when boost exceeds factory limits—a common issue on modified trucks running chips, tuners, or modules. Instead of interfering with electronics, this kit limits what the MAP sensor sees, while still allowing the engine to make full boost. 🔥 What It Fixes: On 1999–2003 7.3L Powerstrokes, the PCM typically triggers an SES light and defueling at ~24 PSI of boost (sometimes lower depending on calibration). Once triggered, reduced power remains until the fault clears. The Overboost Annihilator prevents this for overboost conditions only, allowing uninterrupted power at higher boost levels. 🔧 Key Features: Pre-Assembled & Pre-Set –Ready to install with no tuning or adjustment required Mechanical Pressure Regulation –Limits MAP sensor input to ~22–23 PSI while allowing full actual boost No Electronic Interference –PCM and MAP sensor retain normal operation with no drivability issues High-Quality Components –• Adjustable pressure regulator• Pre-installed mounting bracket• Parker Push-Lok fittings• Goodyear hose Accurate Readings Where It Matters –• 100% accurate MAP readings up to preset limit• 100% accurate mechanical boost gauge readings• No loss of actual boost pressure ⚠️ Important Notes: • This kit ONLY addresses overboost-related SES codes• Common overboost codes include P1249 and P0238• Other codes (such as P1211 Injection Pressure) can occur at similar boost levels and will NOT be fixed by this kit 👉 Always scan your truck before ordering to confirm the issue is truly overboost-related. 📊 Gauge Compatibility: • Mechanical boost gauges: ✔️ Fully accurate• Electronic monitors reading from MAP sensor: ❌ Will cap at preset max (22–23 PSI) 🚨 Warnings & Fitment Notes: • Designed to allow boost levels above Ford’s factory “safe” limits• Running elevated boost on a stock turbo may reduce turbocharger lifespan• Use at your own risk 94–97 OBS Trucks:• Earlier trucks typically do not require this kit as often• This kit is NOT a direct bolt-on for 94–97 trucks• Some modification may be required• Strongly recommended to verify overboost codes before purchase 🛠️ Why Choose the Overboost Annihilator? Unlike cheap electronic “fixes” that can hurt drivability, this is a purely mechanical solution to a mechanical problem. It preserves factory sensor behavior, avoids electronic manipulation, and delivers consistent, reliable performance for modified 7.3L Powerstrokes. Part Number: DD-73L-OBA
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