Having problems with your 2005 Renault Sportwagon ?

Grand scenic 1.6 spluttering when hot

\015 HiWe have a 55 plate 1.6 renault grand scenic, and in the last few weeks, we have noticed that when the engine is hot, or weather is hot, the engine struggles, and starts to splutter, as if it is misfiring, and then stalls. sometimes the fault Battery charge fault appears on the display. Can you advise\015 Posted / edited by AnonymousUser on : 18-03-2019

Answers :

The most common causes of misfiring on Renault petrol engines are either duff ignition coils or duff TDC sensors. It may be worth removing the spark plugs and comparing their colour. If\015\012the engine is misfiring it will be putting unburnt fuel into the\015\012exhaust therefore causing the warning light to illuminate. Also if\015\012driven for any length of time you run the risk of damaging the CAT. I strongly suspect your engine will have individual ignition coils\015\012- each mounted on top of each spark plug and you wil need to disconnect\015\012the wiring connector on each and then remove their retaining bolt. Some\015\012have 10mm hex heads whilst others have Torx heads.
Maybe you will need a service manual to fix by yourself or go to a workshop. If you´re unable to find a service manual, ask http://manualfox.com to get it for you. They were always helpful to me.
\015\012There are two issues:
\015\0121st is the heating problem.
\015\012For this check the following parts
\015\0121.Water pump : When a water pump is faulty or not functioning properly, the flow of water throughout a car's engine is disrupted. This can lead to inadequate cooling and heat transfer within the engine, and this can lead to overheating.
\015\0122.Thermostat: is a heat-sensitive valve located on the top of the engine helps in regulating the flow of water into and out of engine.A faulty thermostat is a major cause of an engine overheating and can lead to costly repairs.
\015\0123.Radiator: A faulty radiator can either leak, causing a low water level, or it can lose its ability to cool water circulating through it. Either case can cause engine overheating.
\015\0122nd is with the battery fault display.For this the alternator need to be checked.
\015\012If you need any further assistance kindly let me know.
Repair Help & Product Troubleshooting for 2005 Renault Sportwagon

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