Changing the turbo pressure sensor on Renault Scénic 2

Written By: Aurélien CULAT (and one other contributor)

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Changing the turbo pressure sensor on Renault Scénic 2

Difficulty

Easy

Steps

Time Required

00:10:00

Introduction

"Injection to be checked" light and switching to degraded mode, it is very often the turbo pressure sensor that must be changed. (every 100,000 km according to Renault ;)

Change the turbo pressure sensor on Renault Scénic 2 1.9 dci 130 F9Q

Tools

Parts

Turbo boost sensor

View

Step 1 Failure Diagnosis

To correctly diagnose the problem:
- "SERVICE" light comes on after a few meters of acceleration
- message "injection to be checked"
- switch to degraded mode: no more fishing when accelerating
Everything returns to normal after restarting the engine, at idle
Connect the diagnostic case (or go to Renault), error code: P0135

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Step 2 Disconnect the battery

Obtain the car radio code.
Disconnect the battery starting with the negative terminal.

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Step 3 Location of the faulty sensor

The sensor is located right next to the engine oil filler cap

Open the engine hood
Remove the engine cover
The sensor is located right next to the engine oil filler cap
Compare the new sensor model and the old one, the reference is written on it: BOSCH 0 281 002 709

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Step 4 Changing the sensor

Disconnect the sensor plug by pressing the tab with a medium flathead screwdriver and pulling horizontally

Unscrew the bolt holding the sensor with a 10 mm open-end wrench or a ratchet.

Install the new sensor, replace the bolt without overtightening (aluminum housing) and reconnect the electrical plug until it clicks.

Disconnect the sensor plug by pressing the tab with a medium flathead screwdriver and pulling horizontally
Unscrew the bolt holding the sensor with a 10 mm open-end wrench or a ratchet.
Install the new sensor, replace the bolt without overtightening (aluminum housing) and reconnect the electrical plug until it clicks.

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Step 5 Final checks

Replace the engine cover.
Reconnect the battery starting with the positive terminal.
Test by starting the engine and accelerating slightly, the light should not come back on.
Reset the car radio code.
Please note that the fault remains recorded in the OBD, it is necessary to test the car to remove the error code otherwise it will appear at the next technical inspection.