Bobcat Doosan engines are built for maximum power output and durability. The environment-friendly, efficient diesel or natural gas engines provide improved customer value and power generation. However, many users reported Bobcat Doosan engine problems.
A few common problems in the engines are difficulties in starting, irregular idling, white smoke coming from the exhaust, low power, and engine knocking. Thankfully, some complications are easy to repair, while others are costly.
This comprehensive guide will take you through each possible detail regarding Bobcat Doosan engine troubleshooting.
Common Bobcat Doosan Engine Problems in a table view
The performance of Bobcat Doosan engines is unbeatable. But similar to all other engines, they also show major and minor problems. Here I listed the most common problems with Bobcat Doosan engine you may experience.
| Common Problems | Easy Fix |
|---|---|
| Engine won’t Start | Adjust the Injection Pump Timing |
| Engine Starts but Stalls Immediately | Change the Dead or Defective Battery |
| Low Power | Clean the Air Filter |
| Knocking | Replace the Faulty Spark Plugs |
| White Smoke Coming from the Exhaust | Replace the Poor-Quality Oil |
Solutions to the Bobcat Doosan Engine Problems with rebuild cost
I have discussed users’ most common problems with the Bobcat Doosan engines. At the same time, the solution is shared along with the service cost.
#1- Engine won’t Start: Adjust the Injection Pump Timing
Generally, Doosan engines have no problem starting when it is warm outside. But they are hard to start or won’t turn on when the temperature drops to under 20 degrees. You could have failed to start the engine with a single or several kicks.
So, wondering what the reason is for it to be hard to start. In most cases, it happens due to imbalanced injection pump timing. Adjusting the injection pump timing will help you sort out the problem.
Let’s follow the steps below.
- Step 01: Get a socket wrench or a screwdriver.
- Step 02: Use a timing meter or special probe to measure the engine timing accurately.
- Step 03: Rotate the injection pump in small increments, either clockwise or anticlockwise.
- Step 04: Once adjustments are made, re-tighten the bolts.
- Step 05: Run the engine and assess whether the problem continues.
Unsure of adjusting the injection pump timing? Then visit your nearest mechanic shop. The cost for this service will be between $350-$500. The price includes labor costs.
#2- Engine Starts but Stalls Immediately: Change the Dead or Defective Battery
The most common reason for the Bobcat Doosan engine starts but stalls immediately are battery depilation. Every vehicle requires electricity to start. Car batteries are responsible for providing the required electricity. But if the engine starts but dies immediately, the fault could be with the dead or defective battery.
Such a problem can easily be fixed by changing the battery. You can easily avoid getting stuck when driving by replacing it.
I shared the steps below for changing the battery.
- Step 01: Park your vehicle on a flat surface and turn it off. Let the Doosan engine cool. Then locate the battery.
- Step 02: Disconnect the battery terminals.
- Step 03: Remove the dead or defective battery.
- Step 04: Use a battery cleaner to clean the battery tray. Next, thoroughly clean the connectors using a ball of steel wool. Be careful not to damage the connectors when cleaning.
- Step 05: Install the new battery and connect all the terminals properly.
- Step 06: Start your vehicle.
Let’s talk about the battery replacement cost. Depending on the battery quality, size, and power, a mechanic shop will cost you between $45-$200. However, the replacement process is simple, and you can do it yourself to save valuable money.
#3- Engine Lacks Power: Clean the Air Filter
If the Doosan engine lacks power accompanied by translatable sound, the problem could be with the air filter. When the air filter is clogged, the Doosan engine may lack power. This means the air filter needs to be cleaned immediately.
In addition, low power may happen due to the Doosan engine’s overload. Consider checking the user manual to learn the maximum load. If you are carrying more load than the requirement, adjust accordingly.
Find the below steps to clean the air filter.
- Step 01: Locate the air filter and remove it.
- Step 02: Use a vacuum cleaner to clean the air filter.
- Step 03: Then, apply water to remove all the dirt and dust. Use your hand to clean rigorously. You can use a small amount of laundry detergent. Next, leave the air filter for thorough drying. Use a clean towel to eliminate water and moisture.
- Step 04: Reinstall the air filter in place.
In order to clean an air filter, you will have to pay $10-$30. Additionally, add another $15-$25 as labor costs.
#4- Engine Knocking: Replace the Faulty Spark Plugs
Engine knocking is another common problem of Bobcat Doosan engines. Faulty spark plugs are the culprit in most cases. As a result, premature detonation in the combustion chamber occurs. Finally, you will end up with an engine-knocking issue.
The solution to this problem is the replacement of faulty spark plugs. Happily, you can do it yourself by following the below steps.
- Step 01: Turn your vehicle off.
- Step 02: Identify the bad spark plugs of the Bobcat Doosan engine.
- Step 03: Unplug the wires of the spark plug.
- Step 04: Uninstall the spark plug taking help from a spark plug wrench.
- Step 05: Install the new spark plug.
Replacing a new spark plug costs $10-$15. However, it may increase if you take assistance from a skilled professional.
#5. White Smoke Coming from the Exhaust: Replace the Poor-Quality Oil
If you see white smoke coming from the exhaust, be sure the problem is with the engine oil. You might be using poor-quality oil, which is causing white smoke. In this case, you have no choice except to use good-quality diesel oil.
Find the step-by-step process of changing poor-quality oil.
- Step 01: Prepare your vehicle by jacking it up.
- Step 02: Unscrew the drain plug using a proper wrench. Drain all the oil from the oil reservoir on an oil drain pan.
- Step 03: Well-tighten the drain plug.
- Step 04: Change the oil filter.
- Step 05: Add new oil to the right level. Make sure to choose an oil type compatible with the Bobcat Doosan.
- Step 06: Check the oil level with a dipstick.
Oil and filter change is a part of periodic maintenance that must be done yearly. The average cost for an oil change is $75-$80 (including the filter).
Doosan Engine related (FAQs)
Doosan engines are renowned for their reliable and trusted performance. These engines are already popular for being economically priced and fuel-efficient.
Doosan Engine Co., Ltd (South Korea) Doosan Engine Co., Ltd. Is the manufacturer and distributor of Doosan engines.
Summing Up
Bobcat Doosan engines are designed for strenuous work. They are used to track loaders to complete tasks in landscaping or construction industries. Keeping the engine in tip-top condition is crucial for these engines’ usefulness.
For this reason, pay utmost attention to the engine problems. If you remain inattentive to the complications, your productivity will be affected. You can avoid costly repairs and losses by paying carefulness to the issues.
Before you go! Here are other related articles you might like:
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