Volkswagen customers face thousands in repairs after high-pressure fuel pump fails
CANADA: This is “why” you don’t want any modern diesel vehicle with a Bosch CP4.1, or Bosch CP4.2 High Pressure Fuel Pump.
They “self-destruct” and send metallic particles throughout the entire diesel fuel system – necessitating
complete replacement. Any “cleaning” of existing components has to be done meticulously, or a second
On the larger V6 and V8 diesel engines (using the Bosch CP4.2 HPFP), “the cost” usually runs $10K – $16K.
The “older Bosch CP3 HPFP” is generally trouble-free.