Vehicle Troubleshooting Renault Scenic 1

Identifying and troubleshooting engine faults
If the engine does not start, then gradually narrow the search for the fault. For the engine to start, two basic conditions must be met: the fuel-air mixture must enter the cylinders, and there must be an ignition spark...

Identifying and troubleshooting engine lubrication system faults
After turning on the ignition, the indicator light does not come on The oil pressure regulator is faulty Turn on the ignition, disconnect the wire from the oil pressure sensor and connect it to the "ground" (-). If the...

Identifying and troubleshooting engine cooling system faults
Coolant temperature too high, temperature gauge needle is in red range, control lamp is on There is too little coolant in the circulation system The liquid in the expansion tank should be between the "MINI" and "MAXI"...

Possible malfunctions of the heating system, their causes and methods of elimination
The fan is not working The fan motor fuse has blown Check the fuse, replace if necessary. The fan switch is faulty Remove and check the switch. The fan motor is faulty Check if there is voltage to the blower motor with...

Identifying and troubleshooting ignition system faults
Make sure the spark plugs produce a spark. To do this, unscrew the spark plugs, put the tips on them and bring the spark plug to the "ground" (-), holding the tip or high-tension wire with insulated pliers. Ask an...

Identifying and troubleshooting gasoline injection system faults
Before searching for the cause of the malfunction, the following conditions for searching and eliminating the malfunction must be met, namely: 1. Incorrect actions when starting the engine are excluded. Whether the...

Identifying and troubleshooting diesel engine fuel system faults
Before troubleshooting, the following conditions must be met. Erroneous actions when starting the engine must be excluded. There must be fuel in the tank, the pressure in the fuel system and compression are normal, the...

Identifying and troubleshooting clutch problems
The clutch is jerking Defective engine and gearbox mounts Check and replace if necessary. The gearbox is poorly suspended Tighten the mounting bolts. The pressure plate fits unevenly Replace the pressure plate. The...

Identifying and troubleshooting brake system faults
Too much free travel of the brake pedal Failure of one of the brake circuits Check the brake circuits for brake fluid leaks. For drum brakes only Sticking of the automatic clearance adjustment device between the pads...

Identifying and troubleshooting battery problems
Too low capacity. Voltage drops sharply The battery is discharged Recharge the battery. Charging voltage too low Check the voltage regulator, replace if necessary. The connecting terminals are loose or oxidized Clean...

Identifying and troubleshooting generator faults
The battery charge indicator light does not light when the ignition is on The battery is discharged Charge the battery. The generator wires are loose or the terminals are rusty Check the wire fastening, clean the...

List of starter faults and their elimination
The main conditions for testing the starter are reliable electrical contacts without oxidation. The starter does not rotate when the key in the ignition switch is turned to the appropriate position The battery is...

Identifying and troubleshooting windshield wiper problems
Poor glass cleaning quality. Smudges, smears The rubber band is dirty Clean the rubber band with a hard nylon brush and detergent or alcohol. Fringe on the working surface of the rubber belt. The belt is torn or worn...

Incorrect tire wear
More wear on both sides of the tread Tire pressure too low. More wear across the entire middle section of the tread Tire pressure is too high. Erosion of the lateral parts of the design Static and dynamic imbalance of...

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Other sections on other Renault models

➽ General information: Troubleshooting Renault Sandero 1 (2007-2012, petrol)
➽ General information: Faults en route Renault Logan 2 (2012-2020)
➽ General information: Troubleshooting Renault Clio 1 (1990-1998)
➽ General information: Troubleshooting Renault Espace I and II (1984-1996)

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