Renault Laguna intermitent fault

Hi this sounds like the ignition coil or crankshaft position sensor CKP, it normally behaves that way, as soon as the engine cools it will start right back up like nothing happened. When it goes off the next time try to pour a little water on the coil or ckp(on the body only for water not to go where the terminals are). If it starts you can change the coil or ckp with confidence. About the door becoming difficult, I think its because you crank the car a lot and the battery doesn't really fully charge to replenish the energy used for cranking.

Hope it helps.

PS not the coil if u got 1 coil per cylinder.

Re.remote locking , check / change key card remote battery

Totally agree with Newenergy's solution however one other possibility is a vacuum forming in the fuel tank as fuel is used. This is caused by a blocked filler cap vent and after leaving the car for a while, air seeps in and the car will start again. This is easy to check, next time it happens, try removing the filler cap, replacing it and see if the car will start.

thanks for your answers however problem still exists. have now been told that it is the fuel pressure regulator. but not been told where it is any suggestions would be gratefully received. thankyou crawf.

thanks for your answers however problem still exists. have now been told that it is the fuel pressure regulator. but not been told where it is any suggestions would be gratefully received. thankyou crawf.

Have you had a look at this similar problem: intermitent fault

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anyone know where i can get a part wirin loom for engine. fuel pressure sensor ect.