Diesel Care & Performance

08/26/2026

"HEUI Injector Problems Explained: Symptoms, Causes and Solutions"

HEUI injectors are used in several popular diesel engines, including the 7.3 Power Stroke, 6.0 Power Stroke, Navistar/IH engines, and many Caterpillar applications. When they are working correctly, HEUI injectors provide strong performance, reliable starting, and efficient fuel delivery. When they start to fail, they can cause hard starts, rough idle, smoke, misfires, power loss, and no-start conditions.

Unlike common rail injectors, HEUI injectors depend on both fuel pressure and high-pressure engine oil to operate. That means a truck can act like it has bad injectors even when the actual problem is low oil pressure, dirty oil, fuel supply issues, a weak FICM, a failing IPR valve, a bad ICP sensor, or wiring problems.

See the full blog post here: https://dieselcare.store › blogs › automotive-bulletins › heui-injector-problems-explained-symptoms-causes-amp-solutions

08/19/2026

"Is Your DB2 Injection Pump Failing? Here's How to Diagnose It"

The Stanadyne DB2 injection pump has been used on many older mechanical diesel engines, including Ford IDI, GM 6.2L, GM 6.5L, and various agricultural and industrial applications. Unlike modern common rail systems, the DB2 is a mechanical rotary-style injection pump. That means diagnosis is different from what you would do on a newer electronically controlled diesel.

When a DB2 pump starts to fail, the symptoms may include hard starts, rough idle, stalling, white smoke, low power, fuel leaks, surging, or a complete no-start. However, not every DB2-related complaint means the pump itself is bad. Air intrusion, weak lift pump pressure, clogged fuel filters, bad glow plugs, timing issues, poor fuel quality, or a failed fuel shutoff solenoid can all create similar symptoms.

See full blog post here: https://dieselcare.store › blogs › agricultural-industrial-blogs › is-your-db2-injection-pump-failing-heres-how-to-diagnose-it

08/14/2026

Give your 7.3L Power Stroke the fuel-system support it deserves with Work Horse fuel injectors and the Work Horse Injector Master Kit.

Work Horse 7.3L injectors are professionally remanufactured and tested for dependable fuel delivery, consistent performance, and long-term reliability. They are built for trucks that still tow, haul, work, and run every day.

For a more complete repair, the Work Horse 7.3L Injector Master Kit brings together the injectors and commonly needed installation components in one package. That means fewer missing parts, less guesswork, and a more straightforward path to completing the job correctly.

Why choose Work Horse for your 7.3L?

• Professionally remanufactured and tested
• Designed for applicable 1994–2003 7.3L Power Stroke engines
• Complete injector sets and master kit options available
• Extended warranty coverage
• Built for dependable daily, commercial, towing, and hauling use
• Backed by knowledgeable diesel specialists

Injector codes and applications can vary by year and engine configuration. Contact our team before ordering, and we will help confirm the correct parts for your truck.

Call us today at 901-675-6428

08/12/2026

"CP3 Injection Pump Failure: Symptoms Every Diesel Owner Should Know"

The CP3 injection pump is one of the most important parts of many common rail diesel fuel systems. Found on several Duramax and Cummins applications, the CP3 is responsible for supplying the high-pressure fuel needed for clean combustion, strong performance, and reliable starting.

When a CP3 pump starts to fail, the symptoms can show up in several different ways. Your truck may become hard to start, lose power, smoke more than normal, throw fuel rail pressure codes, or even go into limp mode. Because CP3 symptoms can overlap with injector problems, lift pump issues, fuel filter restriction, bad sensors, or air in the fuel system, proper diagnosis is important before replacing parts.

See the full blog post here: https://dieselcare.store › blogs › automotive-bulletins › cp3-injection-pump-failure-symptoms-every-diesel-owner-should-know

08/05/2026

"10 Signs Your 5.9 Cummins Injectors Need Attention"

The 5.9 Cummins has earned its reputation as one of the most dependable diesel engines on the road. Whether you have a 12-valve, 24-valve, or common rail 5.9 Cummins, the injectors play a major role in how well the engine starts, idles, pulls, and burns fuel.

When injectors begin to wear out or fail, the symptoms can show up in several different ways. You may notice rough idle, smoke, hard starts, fuel economy loss, power loss, or even fuel getting into the oil. Some symptoms are minor at first, but injector problems can get expensive if they are ignored.

See the full blog post here: https://dieselcare.store › blogs › dodge-automotive-bulletins › 10-signs-your-5-9-cummins-injectors-need-attention

07/31/2026

The 7.3 Power Stroke is one of the most respected diesel engines Ford ever put in a truck. It is known for durability, long service life, and dependable performance when properly maintained. But even a 7.3 can develop injector problems over time, especially as mileage climbs and fuel system components begin to wear.

If your 7.3 Power Stroke is hard to start, running rough, smoking, losing power, or showing a noticeable miss, the injectors may be part of the problem. Because the 7.3 uses a HEUI injection system, injector performance depends on both clean fuel and high-pressure engine oil. That means injector symptoms can overlap with oil system issues, fuel supply problems, glow plug problems, wiring faults, or sensor failures.

See the full blog post here:

Learn the common symptoms of bad 7.3 Power Stroke injectors, including hard starts, rough idle, smoke, power loss, and failed buzz tests.

07/07/2026

Preventative maintenance is one of the best things you can due to not only extend the life of your diesel but also increase it's performance. Don't wait until your diesel is showing signs of engine failure, stay ahead of the game by regularly conducting maintenance and swapping out parts before they're shot.

07/04/2026

From everyone at Diesel Care and Performance,
Happy Fourth of July!

07/03/2026

We will be closed until Monday, July 6th in observance of the 4th of July holiday.

07/01/2026

Whether you're swapping a set of injectors or doing a complete engine over haul, we've got the kits and piece parts you need to get the job done. Our customer service team is ready and waiting to help, whether you need assistance trouble shooting or finding the right part.
Don't wait, call 901-343-6453 and get your parts delivered today!