Fuel injection system car Renault Fluence 1

Features of the multi-point injection system
The K4M and H4J engines are equipped with a TDC sensor for the first cylinder piston on the camshaft. Synchronization of control of the system elements with the engine operating process (determining the TDC of the...

Operation of signal lamps
When starting the engine by pressing the "start" button The on-board diagnostic system indicator light comes on for approximately 3 seconds and then goes out. In case of injection system malfunction (1st degree of...

Throttle body
The throttle valve unit regulates idle speed and changes the amount of air entering the engine. The unit consists of an electric motor and a potentiometric throttle valve position sensor with two conductive tracks. At...

Camshaft phase regulator
The phase regulator is designed to change the valve timing. To improve the filling of the cylinders with the working mixture in all modes, the engines are equipped with a phase regulator of the intake valve camshaft....

Technical characteristics of engines for diagnostic procedures of the fuel injection system (K4M engine)
¹ at a coolant temperature above 80°C and a steady engine speed of 2500 rpm for approximately 30 seconds. ² the use of unleaded petrol with an octane rating of 91 is permitted. ³ standardized indicators are determined...

Engine Specifications for Fuel Injection System Diagnostic Procedures (M4R Engines)
¹ at a coolant temperature above 80°C and a steady engine speed of 2500 rpm for approximately 30 seconds. ² the use of unleaded petrol with an octane rating of 91 is permitted. ³ standardized indicators are determined...

Error codes of the diagnostic tool «CLIP» (engine K4M)

Intake manifold and throttle body (K4M engine)
Throttle body Remove the top engine cover. Disconnect the throttle body wiring harness at the air duct (5). Loosen the tightening: clamp (3) of the air supply line of the throttle valve unit; clamp (4) for fastening the...

Intake Manifold and Throttle Body (M4R Engine)
Loosen the clamp (1) securing the air filter housing outlet air duct to the throttle valve. Disconnect: crankcase ventilation hose (2) from the cylinder head cover; air filter housing outlet duct from the throttle valve...

Cleaning the throttle body
Caution: When performing this operation, wear protective glasses and gloves. Perform all actions in a clean work area to prevent contamination from entering the throttle valve unit. Remove the throttle body. Remove the...

Engine Crankshaft Position and Speed Sensor
After replacing the crankshaft position and speed sensor or flywheel, program the flywheel ring gear target area. Perform two consecutive decelerations in 3rd gear from 4000 rpm until the fuel supply is resumed. Fuel...

Accelerator pedal position sensor
The position sensor forms a single unit with the accelerator pedal. The accelerator pedal must be replaced together with the sensor. The vehicle can be equipped with two types of accelerator pedal: with or without a...

Oxygen sensors
Upstream oxygen sensor Remove the oxygen sensor (1) using the tool (Mot. 1495-01). Downstream oxygen sensor Remove the oxygen sensor (1). Install the sensors in the reverse order of removal. Tighten the downstream...

Turbocharger cooler outlet air duct (H4J engine)
Remove: top engine cover; engine sump guard mounting bolts; protective screen. Disconnect the cooler outlet air duct from the mounting bracket. Move the cooler air outlet duct retaining bracket to the side by pulling on...

Intake noise muffler (engine H4J)
Remove: front wheels; the front part of the front fender liner; front bumper; left headlight. Disconnect the air outlet duct from the intake silencer (1). Disconnect the intake noise muffler contacts (2). Remove the...

Air duct between cooler and turbocharger (H4J engine)
Remove the top engine cover. Remove the crankcase ventilation hose clamp (1) on the cylinder head cover using remote grip pliers for elastic clamps (Mot. 1448). Disconnect: crankcase ventilation hose from cylinder head...

Turbocharger Heat Shield and Oil Line (H4J Engine)
Remove: turbocharger heat shield mounting bolts (1); nut (2) securing the turbocharger heat shield; turbocharger heat shield. Caution: To avoid overheating of surrounding elements, do not damage the heat shield (tear,...

Turbocharger (H4J engine)
Disconnect the connector (1) of the wastegate solenoid valve. Remove: clamp (2) from the supply hose of the electromagnetic valve for controlling the pneumatic drive of the boost pressure regulator; clamp (3) from the...

Charge air cooler (H4J engine)
Remove the top and side air deflectors. Loosen the fastening bolt (1) of the cooler supply air duct. Remove: holder (2) for fastening the cooler air supply duct; cooler supply air duct. Remove: clamp (3) for fastening...

Knock sensor
Remove the front engine cover bracket. Disconnect the generator wiring from the dipstick tube. Loosen the dipstick tube mounting bolts. Move the dipstick guide tube aside. Disconnect the knock sensor connector. Remove:...

Camshaft Position Sensor (except M4R engine)
Remove the top engine cover. Disconnect the camshaft position sensor connector (1). Remove: bolt (2) for fastening the camshaft position sensor; camshaft position sensor and its gasket. When installing, tighten the...

Exhaust manifold (engine K4M)
Place the car on a lift. Disconnect the battery. Remove the top engine cover. Remove: windshield wiper arms; air intake niche grille; box under the air intake niche grille. Remove the throttle body. Remove the ignition...

Exhaust manifold (M4R engine)
Place the car on a lift. Disconnect the battery. Remove: engine oil pan protection; intake manifold. Remove: exhaust manifold bracket mounting bolts (1); exhaust manifold bracket. Loosen the mounting bolts (2) of the...

Toxicity reduction system
Caution: Under normal operating conditions, the vent hole must be open. Communication with the atmosphere of the fuel tank is carried out through the adsorber (fuel vapor trap). Gasoline vapors are retained by activated...

Removal and checking the adsorber (all engines)
The adsorber is installed on the fuel tank under the vehicle. Release the canister (1) from the retainer on the fuel tank by moving it in the direction of the arrow. Disconnect the vapor supply lines from the fuel tank...

Crankcase ventilation system (all engines)
At low loads, oil vapors are sucked in small quantities through a calibrated orifice. Under medium and heavy loads, large quantities of oil vapor are sucked in through the throttle body. To ensure proper operation of...

Exhaust gas system
Catalytic converter (m4R engine) Place the car on a lift. Disconnect the battery. Disconnect the connector (1) of the upstream oxygen sensor of the catalytic converter from the holder. Disconnect the upstream oxygen...

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Other sections on other Renault models

➽ Power unit: Injection fuel system Renault Espace I and II (1984-1996)
➽ Power unit: Injection system (petrol) Renault Scenic 1 (1996-2003)
➽ Power unit: Injection system Renault Megan 2 (2002-2009, petrol)
➽ Power unit: Fuel injection (diesel) Renault Laguna 2 (2001-2007)
➽ Power unit: Petrol injection system (K4M) Renault Duster 1 (2009-2017)

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