Nissan Qashqai Losing Power when Accelerating: (100% Fixed!)

Nissan Qashqai is a popular car model that has been around for a while now.

However, there have been reports of the vehicle losing power when accelerating, which has become a concern for many Nissan Qashqai owners.

In this blog post, we will explore the possible reasons behind this Nissan Qashqai Losing Power when Accelerating issue and what you can do to fix it.

Possible Causes of Nissan Qashqai Losing Power when Accelerating:

Cause	Symptoms	Diagnosis	Repair
Blocked air filter	Engine runs rough, hesitates, or loses power under acceleration	Check air filter for signs of clogging, such as dirt, debris, or oil. Replace air filter if necessary.	Replace air filter.
Blocked fuel filter	Engine runs rough, hesitates, or loses power under acceleration	Check fuel filter for signs of clogging, such as dirt, debris, or water. Replace fuel filter if necessary.	Replace fuel filter.
Dirty or faulty spark plugs	Engine misfires, hesitates, or loses power under acceleration	Check spark plugs for signs of fouling, such as carbon buildup or oil contamination. Replace spark plugs if necessary.	Replace spark plugs.
Faulty fuel injectors	Engine misfires, hesitates, or loses power under acceleration	Have fuel injectors tested for leaks, clogged passages, or other problems. Replace fuel injectors if necessary.	Replace fuel injectors.
Faulty mass air flow sensor (MAF)	Engine runs rough, hesitates, or loses power under acceleration	Have MAF sensor tested for proper operation. Replace MAF sensor if necessary.	Replace MAF sensor.
Faulty throttle position sensor (TPS)	Engine runs rough, hesitates, or loses power under acceleration	Have TPS sensor tested for proper operation. Replace TPS sensor if necessary.	Replace TPS sensor.
Engine misfire	Engine misfires, hesitates, or loses power under acceleration	Check for spark plug, coil, or injector problems.	Repair or replace faulty components.
Low compression	Engine loses power under acceleration	Check compression and cylinder leakage. Repair or replace worn or damaged components.	Repair or replace worn or damaged components.
Turbocharger or supercharger problems	Engine loses power under acceleration	Check for leaks, blockages, or other problems. Repair or replace turbocharger or supercharger.	Repair or replace turbocharger or supercharger.
Engine damage	Engine loses power under acceleration	Check for internal damage, such as worn bearings or a cracked block. Repair or replace damaged components.	Repair or replace damaged components.

1. Fuel delivery system issues:

If you are experiencing issues with your Nissan Qashqai losing power when accelerating, the fuel delivery system may be the culprit.

A clogged fuel filter or a faulty fuel pump can both cause insufficient fuel delivery to the engine, leading to a loss of power.

It is important to have these components checked regularly and replaced if needed to avoid costly repairs down the line.

2. Faulty spark plugs:

If you own a Nissan Qashqai and have experienced a loss of power when accelerating, it is crucial to check your spark plugs.

Faulty spark plugs are a common cause of engine performance issues, including power loss during acceleration. Spark plugs play a critical role in igniting the fuel-air mixture in the engine, and when they fail, the engine won’t run optimally.

To avoid this, it is recommended to have your spark plugs inspected and replaced regularly as part of routine maintenance.

It is also important to ensure that you are using the correct spark plugs recommended by Nissan for your particular Qashqai model.

Keeping your spark plugs in good condition can help prevent power loss and keep your Nissan Qashqai running smoothly.

3. Clogged air filter:

One possible cause of Nissan Qashqai losing power when accelerating is a clogged air filter. A dirty air filter restricts the flow of air to the engine, causing it to struggle to accelerate.

Another cause could be a faulty fuel pump or a clogged fuel filter, which can prevent proper fuel flow and lead to power loss.

To fix these issues, you should take your Nissan Qashqai to a certified mechanic who can diagnose and repair the problem.

Regular maintenance such as air filter replacements and fuel system cleanings can also prevent these issues from occurring in the first place.

4. Transmission problems (Petrol and Diesel Engine):

If you own a Nissan Qashqai and you’re experiencing a loss of power when accelerating, it could be due to transmission problems. There are a variety of reasons why the transmission might be causing this issue.

Another possible cause is a clogged transmission filter. Over time, the filter can become clogged with debris and prevent the transmission from operating efficiently. This can cause a loss of power when accelerating.

In either case, it’s important to have your vehicle inspected by a trusted mechanic. They can diagnose the issue and recommend the best course of action to get your Qashqai back to full power.

5. Throttle body issues:

If you’re experiencing a loss of power while accelerating in your Nissan Qashqai, it may be due to issues with the throttle body.

The throttle body is responsible for regulating the amount of air that enters the engine, which in turn affects the amount of power the vehicle can produce.

When the throttle body becomes dirty or malfunctions, it can disrupt this process and cause a loss of power.

To fix the issue, the first step is to have the throttle body inspected and cleaned by a certified mechanic.

If cleaning the throttle body doesn’t solve the problem, then it may need to be replaced altogether.

It’s important to address any issues with the throttle body as soon as possible, as a loss of power while accelerating can be dangerous and may lead to accidents.

Regular maintenance and inspections can help prevent throttle body issues from occurring in the first place.

6. Mass Airflow Sensor (Petrol and Diesel):

It’s important to maintain the right balance of air and fuel in your Nissan Qashqai. If there’s an excess of air and insufficient fuel, your vehicle will be running lean, which can lead to a decrease in acceleration.

On the other hand, if your mass airflow sensor is damaged, you may experience sudden jerking or hesitation when trying to accelerate.

The Mass Airflow Sensor (MAF) is a critical component in both petrol and diesel engines of Nissan Qashqai.

A faulty MAF can result in a decrease in engine power, especially when accelerating, as the ECU may not receive accurate data for fuel injection.

There are several reasons why the MAF may fail, such as contamination from a dirty air filter or oil residue from a poorly maintained engine.

It is essential to instruct a qualified mechanic to diagnose and replace a faulty MAF as soon as possible, as a malfunctioning MAF can lead to more severe engine problems and costly repairs.

Regular maintenance, such as air filter replacement and engine cleaning, can also help prevent MAF failure and ensure optimal engine performance.

How to Fix Nissan Qashqai Losing Power when Accelerating?

Here’s a list of ways to Fix Nissan Qashqai Losing Power when Accelerating:

1. Check the air filter:

A clogged air filter can restrict airflow to the engine, reducing power output. Replace the air filter if it’s dirty or clogged.

2. Inspect the fuel filter:

A dirty or clogged fuel filter can restrict fuel flow to the engine, leading to a loss of power. Replace the fuel filter if it’s dirty or clogged.

3. Check the fuel pump:

A malfunctioning fuel pump can cause the engine to lose power when accelerating. Check the fuel pump for proper operation and replace it if necessary.

4. Clean the throttle body:

A dirty throttle body can cause a loss of power when accelerating. Clean the throttle body using a throttle body cleaner and a soft-bristled brush.

5. Inspect the spark plugs:

Worn or damaged spark plugs can cause misfires, leading to a loss of power. Replace the spark plugs if they’re worn or damaged.

6. Check the ignition coils:

Faulty ignition coils can cause misfires, leading to a loss of power. Check the ignition coils for proper operation and replace them if necessary.

7. Inspect the mass airflow sensor:

A malfunctioning mass airflow sensor can cause the engine to run lean or rich, leading to a loss of power. Check the mass airflow sensor for proper operation and replace it if necessary.

8. Check the oxygen sensor:

A faulty oxygen sensor can cause the engine to run rich or lean, leading to a loss of power. Check the oxygen sensor for proper operation and replace it if necessary.

9. Inspect the catalytic converter:

A clogged catalytic converter can restrict exhaust flow, leading to a loss of power. Check the catalytic converter for proper operation and replace it if necessary.

10. Check the exhaust system:

A damaged or restricted exhaust system can cause a loss of power when accelerating. Check the exhaust system for any damage or restrictions and repair or replace as necessary.

11. Inspect the turbocharger:

If your Qashqai is equipped with a turbocharger, a malfunctioning turbocharger can cause a loss of power. Check the turbocharger for proper operation and replace it if necessary.

12. Check the transmission:

A malfunctioning transmission can cause a loss of power when accelerating. Check the transmission fluid levels and condition, and check for any codes or warning lights.

Preventing Nissan Qashqai Losing Power when Accelerating:

Preventing Nissan Qashqai Losing Power when Accelerating:

1. Keep up with regular maintenance:

Regularly servicing your Nissan Qashqai can help prevent power loss when accelerating. Make sure to change the oil, filters, and spark plugs as recommended by the manufacturer.

2. Check the air filter:

A dirty air filter can restrict the flow of air to the engine, causing power loss. Replace the air filter if it’s dirty or clogged.

3. Use high-quality fuel:

Using low-quality fuel or fuel with a low octane rating can cause power loss. Make sure to use high-quality fuel with the recommended octane rating.

4. Check the fuel system:

A clogged fuel filter or a faulty fuel pump can cause power loss. Have the fuel system checked by a mechanic if you suspect any issues.

5. Drive smoothly:

Abrupt acceleration or sudden braking can cause power loss. Drive smoothly and avoid sudden changes in speed.

By following these tips, you can help prevent power loss in your Nissan Qashqai when accelerating.

Why does my Nissan Qashqai keep cutting out?

If your Nissan Qashqai keeps cutting out, there could be a number of reasons why.

1. Firstly, it could be due to a faulty fuel pump or fuel filter. If either of these components are not working as they should, it can cause the engine to cut out unexpectedly.
2. Another possible cause could be an issue with the ignition system. Faulty spark plugs or a malfunctioning ignition coil can also cause your Qashqai to cut out.
3. Additionally, a clogged air filter or a dirty throttle body can cause a lack of air flow to the engine, which can result in stalling.

It is important to have your vehicle checked by a qualified mechanic to diagnose and resolve the issue as soon as possible.

Ignoring the problem may cause further damage to your car and could potentially put you in danger while driving.