Is A CP4 Injection Pump Replacement DIY Friendly? While DIY replacement of the CP4 injection pump and associated fuel system components is possible, I wouldn't exactly call it friendly.

though a faulty fuel supply pump or dirty fuel filters could also be the cause. They are usually expensive to replace, ranging up to a few thousand dollars. That’s why many diesel owners buy ...

A vehicle’s fuel system comprises components that deliver fuel from the tank to the engine, including a fuel pump, fuel lines ... that’s likely to require replacement on a schedule.

The defective fuel pump, produced by auto parts manufacturer Denso Corp., has caused engines to shut down while driving. The automakers affected have recalled about 2.68 million vehicles in Japan ...