This is the engine most associated with "348" branding (3.4 liters of displacement effectively).
Symptom: A 2006 Peugeot 407 2.0 HDi (136bhp) enters limp mode only when climbing a hill. No codes after a standard scan. autodata 348 top
Solution using 348 Top: The technician accessed the "Fuel Pressure Regulator (Rail Pressure Relief Valve)" test within the Top module. It specified that the regulator should hold 500 bar static for 2 minutes. The vehicle failed at 45 seconds. Replacing the rail pressure regulator (not the high-pressure pump, which many would have guessed) fixed the issue. This is the engine most associated with "348" branding (3
Symptom: After a timing belt replacement on a Ford Mondeo 2.2 TDCi, the engine sounds rough and has a P0016 code. Solution using 348 Top: The technician accessed the
Solution using 348 Top: The mechanic used the "Tooth Offset" learning procedure from module 348 Top. This involves using a diagnostic tool to reset the adaptation values and performing a specific drive cycle (5 minutes at 2,500 RPM in 3rd gear). The standard timing procedure missed this crucial ECU adaptation reset.