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.

Honda will contact affected car owners, instructing them to visit authorized workshops for a free inspection and replacement of the faulty fuel pump if needed. The company has assured customers ...

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.