renault magane 1.4 1988 cutting out when hot then wont start help

vince

hi my renault megane starts fine from cold then i can drive perfect for 30 miles then come to red lights and it will get hoter while ticking over then will cut out and very hard to restart. it will stay running provided i stay moving. untill next stop it will cut out and be a pig to start. if left cool down it will start fine again. now i have replaced coolent censor lamber censer and fly wheel sencer all so new plugs leads and distributer cap. has any one any ideas its to good a car to scrap because of this problem thanks for help anyone

zilog_jones

Thermostat stuck closed? Is the fan working? Don't let it overheat whatever you do, it'll only cause even more trouble...

mp22

Have you tried turning the heater up full,and the fan to max when you get to the lights.If this helps you should look at the rad/cooling system.

veetwin

How come you have a 1988 Megane? They didn't start making them until 1995.

Max_Damage

veetwin wrote: »

How come you have a 1988 Megane? They didn't start making them until 1995.

I assume he means 1998

Nissan doctor

It doesn't sound good. If its cutting out due to the overheating, that can be a sign that its getting so hot that the clearances are reduced and the pistons are seizing to the bores. Hence why when it cools down again it will start, as the clearances return to normal...not without damage though.

Thats if its a 98 megane.

On a 2008 one the ecu will shut down the engine to prevent overheating damage.

Guy:Incognito

Nissan doctor wrote: »

Thats if its a 98 megane.

On a 2008 one the ecu will shut down the engine to prevent overheating damage.

I'd say mistakenly typing 1988 instead of 98 is a good bet. If he meant 2008 then the cars not his only issue

Nissan doctor

Guy:Incognito wrote: »

I'd say mistakenly typing 1988 instead of 98 is a good bet. If he meant 2008 then the cars not his only issue

I was just covering all the bases...:P

vince

yes sorry it was 1998 i meant. it drives perfect in top gear for miles but if u leave it tick over she cuts out after a trip. so traffic lights a problem. fan works all that side ok. its been going on since august 2010. i could live whit it fine around the country area but i need to goo 210 miles to dublin soon and tbh i could see it going all the way fine but after one or two traffic lights the fun will start. shes such a clean nice car well cared for it would be a shame to scrap it

vince

Nissan doctor wrote: »

It doesn't sound good. If its cutting out due to the overheating, that can be a sign that its getting so hot that the clearances are reduced and the pistons are seizing to the bores. Hence why when it cools down again it will start, as the clearances return to normal...not without damage though.

Thats if its a 98 megane.

On a 2008 one the ecu will shut down the engine to prevent overheating damage.

its not over heating as such the gauge gives the usual reading its just when u stand still after a journey and leave here tick over

bonzodog2

Is there a temperature sensor on the radiator that controls an electric fan ? (not familiar with megane ...) ?

Leave the cabin heater blowing hot and check coolant level.

vince

yes there is a senser for the fan. the fan dose work

bonzodog2

Also check the gaps in the radiator where the air is supposed to flow through.