Troubleshooting and Maintenance Tips for HOWO Truck engine

Posted by bruce zhu on January 10th, 2022

If you\'ve any trouble with your HOWO truck engine, my engine troubleshooting tips can be useful to get you off the side to a workshop. As an owner truck operator, it is useful to know some fast, simple fixes. At the hourly workshop prices, it pays off to try to troubleshoot simple HOWO truck engine issues.

There\'re occasions where an engine repair can be as easy as changing fuel filters or a loose battery wire. Though, newer engines are computerized and much more complicated and often need a shop with specific tech to analyze the issues.

You might find your truck engine issue can be rectified by an easy fix rather than immediately calling a service truck. I am not a mechanic, but I do have nearly 30 years of trucking experience, A few of which was spent on the shoulder of the road.

Here\'re some tips for troubleshooting for HOWO truck engine issues:

Engine Starting Problems 

• Check batteries as well as connections to the starter. There\'d could be a loose link.
• Check the engine fuel supply. Change fuel filters as they\'d be clogged.
• Check fuel lines and fuel pumps
• Take a deep look at the starter motor
• Check and clean the air filters. Change if needed, plugged filters will also starve the motor
• Have a mechanic check ECM and injectors.

 Engine Overheating Under Load 

• Check to be certain every axle is rolling smoothly. Also, be sure no tires or brakes dragging.
• Check for the airflow to the rad. Be certain it is not blocked by bugs in snow or ice in the winter season.
• Check outdoor air temperature. If the temp is hot and you are driving, gear down.
• Check the truck engine belts and fan to be sure they\'re working correctly.
• Check the coolant and oil levels when the truck engine is cool. Check for the leakages.
• Turn off the AC on steep grades in warm weather. This\'ll assist keep the engine cool.

Excess Smoke 

• Excess smoke from the truck is most often an indicator issue forming. The various colors in smoke can help you troubleshoot more specifically what the issue could be.
• Blue smoke can work piston rings, cylinders, and valves.
• White smoke can mean the truck engine is off or the HOWO engine compression is weak.
• Black smoke can be an indicator of dusty or dirty truck air filters, bad injectors, a turbo issue, or an issue in a cylinder head.

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It is wise to practice preventative engine maintenance. There\'re a few things a truck driver can do to avoid engine issues before they start. If you\'re in doubt about your truck engine is in trouble or not, do not hesitate to get it checked.

Small problems can grow into bits. Better to get repairs at a workshop you know, than incur hotel bills, tow bills, etc. If you are left standard roadside in the boonies, it is better safe than sorry.