Engines Product support Training Secodi Fault diagnosis The engine will not start Starter motor drives engine too slowly The engine is difficult to start Lack of power Misfires High fuel consumption Black smoke from the exhaust Blue or white smoke from the exhaust Lubricating oil pressure too low Engine knocking Irregular engine operation Vibration Lubricating oil pressure too high Engine temperature too high Pressure in the crankcase Bad compression The engine starts and then stops Home // Fault diagnosis // Lack of power LACK OF POWER Controls performed by the user Blockage in a supply pipe Fault in the feed pump Dirty fuel filter element Clogging in the air filter or in the air intake system Air in the fuel system Defect in injectors or incorrect type injectors Blockage in the fuel tank vent pipe Incorrect fuel type or grade Limited movement of engine speed control Clogging in the exhaust pipe Engine temperature too high Engine temperature too low Checks carried out by the workshop Fault in the injection pump Incorrect injection pump timing Incorrect valve timing Bad compression Head gasket leak Wear of cylinder bores; Leakage between valves and seats Jamming, wear or breakage of piston rings Turbocharger rotor is damaged or dirty Leak in the intake system (supercharged engines) Improper operation of the turbocharger relief valve (if applicable) NEWS 05/28/2015 10 years of Refurbished Exchange CONTACT Nantes Nancy Paris La Rochelle Beauvais Lyon Avignon Toulouse FOLLOW US Facebook Twitter Viadeo Linkedin Motors range 1200 series 850E Series 400D Series Repair Solutions New exchange Refurbished exchange Detached pieces Tier 4 Legislation New range Motors Technical solutions Buy your parts online Alternators / Starters / Feed pumps 4.236 / 3.152 / 4.108 by ref. room by engine list number © All rights reserved • Secodi • Legal information • created by Kelcom Agence de communication Nantes