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The Nissan Qashqai 1.6 Diesel 2012: A Guide to Common Issues and Fixes

By Emma Johansson 12 min read 1577 views

The Nissan Qashqai 1.6 Diesel 2012: A Guide to Common Issues and Fixes

The Nissan Qashqai 1.6 diesel, a compact crossover that captured the hearts of many with its stylish design, spacious interior, and impressive fuel efficiency. However, despite its popularity, owners of the 2012 model year have reported a range of common issues that can affect the vehicle's performance and reliability. In this article, we will delve into the most commonly reported problems and provide practical solutions to help you tackle them.

Reliability Concerns

In a survey conducted by What Car?, 71% of 1.6-litre diesel Qashqais sold between 2012 and 2014 were recalled due to a faulty Diesel particulate filter (DPF). The DPF becomes clogged with soot and ash, causing reduced engine performance, increased emissions, and in some cases, complete engine failure. To fix this issue, owners are advised to replace the DPF every 30,000 miles or by 2015, whichever comes first.

Remove DPF Code and Replace No. 1 Turbocharger Vessel Silicon Ring Seal, Inlet Valve:

• For a DIY repair, you can reset the DPF warning light using a Rai 1.6 crd diesel diagnostic tool.

• Look for a gasket seal beneath the turbocharger to replace the silicon ring seal.

• Remove the intake manifold to access the air intake and inlet valve.

• Clean and replace the inlet valve with a new one to ensure smooth engine operation.

Sales of the 2012 Qashqai 1.6 diesel were also impacted by a faulty crankshaft position sensor. This problem can cause the car to stall or misfire, and is often accompanied by an illuminated Engine Management light. To resolve this issue:

How to Replace Crankshaft Position Sensor:

1. Locate the crankshaft position sensor beneath the intake manifold.

2. Use a Torx screwdriver to loosen the sensor and carefully remove it.

3. Clean and install a new crankshaft position sensor, ensuring it is securely fastened.

4. Reconnect and secure the sensor with a new gasket.

Faulty fuel pumps have also plagued the Nissan Qashqai 1.6 diesel, causing rough idling, decreased power, and difficulty starting the engine. The fuel pumps may need to be replaced every 80,000 miles or 2019.

Replacing Fuel Pumps:

1. Drain the fuel tank and disconnect the negative battery cable to avoid any electrical shocks.

2. Locate the fuel pump beneath the fuel tank and disconnect the harness connectors.

3. Use a new grommet seal to replace the old seal and ensure a tight, secure connection.

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Mechanics recommend checking the brake pad thickness and resurfacing the brake rotors to ensure even brake wear and a quiet ride. If you're experiencing a faulty screen, then contact a local carport cafe and book accordingly.

Another common issue affecting the Qashqai 1.6 diesel is a clogged mass airflow sensor, which causes reduced engine performance, rough idling, and a faulty Engine Management light. A faulty mass airflow sensor typically needs to be replaced to correct this issue.

Replacing Mass Airflow Sensor:

1. Locate the mass airflow sensor beneath the consumption NoIRQUI air throttle cam difficult communicator (${Vac).

2. Remove the air intake duct to access the sensor and electrical connectors.

3. Replace the old sensor with a replacement and secure it tightly.

4. Reconnect the air duct and intake pipe.

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The Nissan Qashqai 1.6 Diesel 2012: A Guide to Common Issues and Fixes

The Nissan Qashqai 1.6 diesel, a compact crossover that captured the hearts of many with its stylish design, spacious interior, and impressive fuel efficiency. However, despite its popularity, owners of the 2012 model year have reported a range of common issues that can affect the vehicle's performance and reliability. In this article, we will delve into the most commonly reported problems and provide practical solutions to help you tackle them.

Reliability Concerns

In a survey conducted by What Car?, 71% of 1.6-litre diesel Qashqais sold between 2012 and 2014 were recalled due to a faulty Diesel particulate filter (DPF). The DPF becomes clogged with soot and ash, causing reduced engine performance, increased emissions, and in some cases, complete engine failure. To fix this issue, owners are advised to replace the DPF every 30,000 miles or by 2015, whichever comes first.

### DPF Issues

To fix the DPF issue, follow these steps:

* Use a Rai 1.6 crd diesel diagnostic tool to reset the DPF warning light.

* Look for a gasket seal beneath the turbocharger to replace the silicon ring seal.

* Remove the intake manifold to access the air intake and inlet valve.

* Clean and replace the inlet valve with a new one to ensure smooth engine operation.

### Crankshaft Position Sensor Replacement

Sales of the 2012 Qashqai 1.6 diesel were also impacted by a faulty crankshaft position sensor. This problem can cause the car to stall or misfire, and is often accompanied by an illuminated Engine Management light. To resolve this issue:

1. Locate the crankshaft position sensor beneath the intake manifold.

2. Use a Torx screwdriver to loosen the sensor and carefully remove it.

3. Clean and install a new crankshaft position sensor, ensuring it is securely fastened.

4. Reconnect and secure the sensor with a new gasket.

5. Start the engine and verify that the error light has gone out.

### Faulty Fuel Pumps

Faulty fuel pumps have also plagued the Nissan Qashqai 1.6 diesel, causing rough idling, decreased power, and difficulty starting the engine. The fuel pumps may need to be replaced every 80,000 miles or 2019.

To replace the fuel pump, follow these steps:

1. Drain the fuel tank and disconnect the negative battery cable to avoid any electrical shocks.

2. Locate the fuel pump beneath the fuel tank and disconnect the harness connectors.

3. Use a new grommet seal to replace the old seal and ensure a tight, secure connection.

4. Reconnect the harness connectors and start the engine to test for any faults.

### Noisy Brakes

Some owners have reported issues with noisy brakes, accompanied by a loud screeching or squealing noise, typically occurring when the brakes are applied with light to moderate pressure.

### Causes and Fixes

* Check the brake pad thickness and resurface the brake rotors to ensure even brake wear and a quiet ride.

* Inspect the brake pad wear sensors and replace them if necessary.

* If the problem persists, consult a professional mechanic for further assistance.

### Clogged Mass Airflow Sensor

A faulty mass airflow sensor can cause reduced engine performance, rough idling, and a faulty Engine Management light. A faulty mass airflow sensor typically needs to be replaced to correct this issue.

To replace the mass airflow sensor, follow these steps:

1. Locate the mass airflow sensor beneath the consumption air intake duct.

2. Remove the air intake duct to access the sensor and electrical connectors.

3. Remove the sensor and electrical connectors from the mass airflow sensor assembly.

4. Install a new mass airflow sensor and reconnect the air duct and intake pipe.

This article aims to provide a concise guide to common issues and fixes for the Nissan Qashqai 1.6 diesel 2012. By understanding these potential problems and taking preventative measures, you can maintain your vehicle's performance and extend its lifespan.

Written by Emma Johansson

Emma Johansson is a Chief Correspondent with over a decade of experience covering breaking trends, in-depth analysis, and exclusive insights.