How to Fix P1375 Insufficient RPM Increase During Spark Test

Introduction

If you’re experiencing the P1375 error code on your vehicle, it means that there is an insufficient RPM increase during the spark test. This can be a frustrating issue to deal with, but fortunately, there are some steps you can take to fix it. In this article, we’ll go over the causes of this error code and provide you with a step-by-step guide on how to fix it.

Causes of P1375 Error Code

There are several reasons why you might be experiencing the P1375 error code. Some of the most common causes include:

Faulty Ignition Coil

One of the most common causes of the P1375 error code is a faulty ignition coil. If the ignition coil is not functioning properly, it can cause a misfire in the engine, which can lead to the error code.

Bad Spark Plugs

Another common cause of the P1375 error code is bad spark plugs. If the spark plugs are worn out or damaged, they won’t be able to ignite the fuel in the engine properly, which can cause a misfire and trigger the error code.

Wiring Issues

Wiring issues can also cause the P1375 error code. If there is a problem with the wiring that connects the ignition coil to the engine control module (ECM), it can cause a misfire and trigger the error code.

Step-by-Step Guide to Fixing P1375 Error Code

Now that you know some of the common causes of the P1375 error code, let’s go over the steps you can take to fix it.

Step 1: Check the Ignition Coil

The first step in fixing the P1375 error code is to check the ignition coil. You can do this by using a multimeter to test the resistance of the coil. If the resistance is outside of the manufacturer’s specifications, you will need to replace the ignition coil.

Step 2: Inspect the Spark Plugs

Next, you should inspect the spark plugs to see if they are worn out or damaged. If they are, you will need to replace them. Make sure to use the correct type of spark plugs for your vehicle.

Step 3: Check the Wiring

If the ignition coil and spark plugs are both in good condition, the next step is to check the wiring. Make sure that the wiring is properly connected and that there are no breaks or damage to the wires. If there is a problem with the wiring, you will need to repair or replace it.

Step 4: Clear the Error Code

Once you have fixed the issue that was causing the P1375 error code, you will need to clear the code from the ECM. You can do this by using an OBD-II scanner or by disconnecting the battery for a few minutes.

Conclusion

Dealing with the P1375 error code can be frustrating, but by following the steps outlined in this article, you should be able to fix the issue and get your vehicle running smoothly again. Remember to always use caution when working on your vehicle and to consult a professional if you are unsure about any of the steps.

FAQs

1. Can I still drive my vehicle if I am experiencing the P1375 error code?

It is not recommended to drive your vehicle if you are experiencing the P1375 error code. This error code can cause damage to your engine if left untreated, so it is best to address the issue as soon as possible.

2. How much does it cost to fix the P1375 error code?

The cost of fixing the P1375 error code will depend on the cause of the issue. If it is a simple fix, such as replacing the spark plugs, it may only cost a few dollars. However, if the issue is more complex, such as a faulty ignition coil, it could cost several hundred dollars.

3. Can I fix the P1375 error code myself?

If you have experience working on vehicles and the necessary tools, you may be able to fix the P1375 error code yourself. However, if you are unsure about any of the steps or do not have the necessary tools, it is best to consult a professional.