Common Engine Part Questions & Troubleshooting

At Growshine, we don't just sell parts; we provide solutions. Here are some common issues and tips related to our products.
What are the signs of a faulty glow plug? Common symptoms include difficulty starting the engine, especially in cold weather; rough idling after starting; black or white smoke from the exhaust; and a noticeable decrease in fuel efficiency.
How do you test a glow plug? You can test a glow plug using a multimeter. Set it to the ohms setting and check the resistance between the terminal and the glow plug body. A reading near 1 ohm indicates a healthy plug, while a high or infinite reading means it's faulty.
What is the function of a carburetor solenoid valve? A carburetor solenoid valve's primary function is to shut off the fuel flow to the idle circuit when the engine is turned off. This prevents engine run-on, also known as "dieseling," where the engine continues to fire for a few seconds after the ignition is switched off.

Troubleshooting a Common Issue: If your Caterpillar D8T bulldozer has trouble starting in cold weather and the exhaust produces white smoke, it's likely a glow plug failure . To diagnose, check each glow plug for continuity and proper function. Replace any faulty plugs to restore the engine's cold start capability. For this model, you'll need the correct Caterpillar D8T glow plug .