01/24/2012

Mercedes Repair Diagnostics Fuel Pumps

Low fuel pressure can cause poor ignition at idle and under load, which causes a sharp increase in the emission of hydrocarbons into the atmosphere. If your car has a similar problem, it is not will be tested for emissions, which lead to passage of the re-those. inspection, additional costs and having to go to a specialized service and repair Mercedes parts of your car. Low pressure fuel and / or ignition misfire can also lead to what will be a signal to the sensor, warning of the need to repair the engine at Mercedes models from 1996 and newer, OBD-equipped sensor. What leads to failure of fuel pumps? These parts of the car Mercedes rabotatyut time, so after several years of service fittings bushings wear out, just worn out brushes and commutator. The blades of the pump rollers and transmission can also wear causing a gradual loss of pressure and increase fuel consumption. Accelerated wear may also occur if sediment or rust penetrate through the inlet filter.

In some cases, pump fails due to the fact that the dirt got into the pump and caused a traffic jam and that leads to engine overheating and burning. In this case, can only help to complete repairs Mercedes, a specialized service. Fuel Mercedes pump is cooled and lubricated by passing it on fuel. Consequently, the lack of fuel may be another reason, which accelerates the wear of the parts and may cause damage to the pump at certain operating conditions. So, how do you diagnose the fuel pump is not turning into a specialized service for Mercedes? Repair, in case of breakage, will take time and deprive you the opportunity to enjoy driving your favorite car. If your fuel pump stops working (no noise, no line pressure), the first thing that should be checked is the presence of an electric voltage to the pump and integrity electrical connections. Breaker relays, fuse burnt or damaged wires can cause malfunction of the pump. Low battery voltage can also reduce the ability of the pump to create the necessary pressure by reducing pump speed.
Jan 24, 2012 2:16:55 PM

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