On certain trucks equipped with aset ac model engines, the engine as configured with an external exhaust gas recirculation system makes servicing the fuel injection lines difficult when using traditional tools. Therefore, it is possible for fuel leaks to...
Fuel system
Mack CH Fuel System problems by year
1 complaints filed with NHTSA about the Mack CH's fuel system. Fuel pumps, leaks, injectors, fuel smells, gauges and stalling caused by fuel delivery.
Fuel System complaints by model year
Fuel System recalls
Certain trucks were recalled for the installation of sleeves on the fuel injection line as required by safety recall sc0317 (nhtsa recall no. 06V392). There is a possibility that the new sleeves may chafe the fuel injection line.
On certain trucks, a leak in the aset ac fuel injection line may spray fuel on the exhaust gas recirculation pipes that carry hot exhaust gases .
On certain heavy duty class 8 diesel trucks equipped with aset ac engines, the location of the fuel inlet hose may result in overheating or abrasion of the hose, which may lead to a premature failure.
On certain chassis built with lng engines, the nexgen lng tank's primary and secondary relief valves could fail to open and relieve tank pressure.
Latest CH fuel system complaints
Ch613, the aluminum fuel tank which is strapped underneath is corroded which may have been caused by incompatibility of metal. Happened to 2 mack trucks. Please provide further information and vin#. *Ak
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data