Diesel Diagnosis: Symptoms Your Cummins ISB Fuel System Is Failing

Thinking about replacing the high-pressure pump or common rail injectors on your Cummins engine? But how do you know when it's time? What are your options?

In this post, we're taking a look at the symptoms of a failing fuel system, as well as what options you have for your Cummins engine. You can also watch our video below for a closer look!

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Symptoms Your Cummins ISB Fuel System Is Failing

If you're experiencing one or more of these symptoms, it could mean your fuel system is failing:

  • Reduced power

  • Decreased fuel economy

  • Increased emissions

  • Rough running

When replacing your fuel system components, make the right choice! Purchasing high-quality replacement parts from Bosch is always a safe option.

 

REPLACEMENT OPTIONs FOR YOUR High-Pressure Fuel Pump

4929594 | GENUINE BOSCH CUMMINS 6.7L MIDRANGE HIGH-PRESSURE CP3 COMMON RAIL PUMP, REMANUFACTURED

4929594 GENUINE BOSCH CUMMINS 6.7L MIDRANGE HIGH-PRESSURE CP3 COMMON RAIL PUMPKey Features

  • Produced with new and reconditioned OE components

  • Built on Bosch designed tooling fixtures and equipment

  • End-of-line testing using exact OE test specifications

  • Guaranteed to meet all emission specifications

  • 1-Year Unlimited Mileage Warranty

Shop This High Pressure Fuel Pump!

REPLACEMENT OPTIONs FOR YOUR Common Rail Fuel Injector

5256034 | GENUINE BOSCH CUMMINS ISB COMMON RAIL FUEL INJECTOR, REMANUFACTURED

5256034 GENUINE BOSCH CUMMINS ISB COMMON RAIL FUEL INJECTORKey Features

  • Produced and tested using the latest OEM technology and tooling available

  • Built on Bosch designed tooling fixtures and equipment

  • End-of-line testing using exact OE test specifications

  • Guaranteed to meet all emission specifications

  • 1-Year Unlimited Mileage Warranty

Shop This Common Rail Fuel Injector!

Why Shop Fuel Systems from HHP?

If you're looking for quieter performance, improved fuel economy, and lower emissions for your Cummins engine, look no further than these fuel system components from Bosch. Backed by a 1-Year Unlimited Mileage Warranty and the industry's leading service reps. 

Highway & Heavy Parts has the fuel pumps and injectors you need! If your fuel system is failing, then it's time to give us a call.

Ready for a new fuel system, or any other diesel engine parts? Our ASE certified technicians are ready to help you find what you need! Call us at 844-304-7688, or request a quote online!

Short On Time? Get Your Quote Online!

FUEL INJECTORS & FUEL SYSTEMS RESOURCES

RELATED ARTICLES

DIAGNOSE COMMON RAIL INJECTOR SYMPTOMS AND FAILURES IN DIESEL ENGINES

ORIGINAL OEM DIESEL INJECTOR COMPARED TO GENUINE BOSCH INJECTOR

DON'T REBUILD YOUR OWN DIESEL FUEL INJECTORS! 3 REASONS NOT TO REBUILD

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We get it- when you need Diesel Engine Parts, time is of the essence. That's why we've developed the HHP Online Quoting System.

Just fill out the form with your name, engine information, and the parts you need, and our ASE-Certified Technicians will get back to you with an estimate. It's as close to magic as a diesel engine gets!

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