Monster supra Posted June 27, 2011 Share Posted June 27, 2011 I have a N/A Auto Starts well from cold but when the car gets to normal driving temperature it will cut out when i stop & wont start again until it cools down. The supra has a split relay that links to the optima yellow top in the boot (fitted by audio shop) Puzzled on this one. Any ideas Quote Link to comment Share on other sites More sharing options...
welshbuddy Posted June 27, 2011 Share Posted June 27, 2011 bought a dodgy car =[????, did the person you bought it off say it has that trouble? or did they keep hush? Quote Link to comment Share on other sites More sharing options...
Monster supra Posted June 27, 2011 Author Share Posted June 27, 2011 Got it of a friend who dont have much car knowledge He did say it had the problem is it an easy fix ? Quote Link to comment Share on other sites More sharing options...
neo2810 Posted June 27, 2011 Share Posted June 27, 2011 Reckon you need to work out what the problem us before you can determine how easy it is to fix. Quote Link to comment Share on other sites More sharing options...
Monster supra Posted June 27, 2011 Author Share Posted June 27, 2011 Thats the reason for the post here Maybe someone here has had the same problem in the past Quote Link to comment Share on other sites More sharing options...
neo2810 Posted June 27, 2011 Share Posted June 27, 2011 Indeed, sorry, not very helpful I know. First of all get the fuel injection (EFI) relay checked. Sometimes a resistor goes and the injectors shut when the engine gets warm. Easy fix as far as I know. From there you start looking at fuel pump I imagine. Have you checked for error codes? Quote Link to comment Share on other sites More sharing options...
Monster supra Posted June 28, 2011 Author Share Posted June 28, 2011 If it was the injectors would'nt it splutter & misfire while driving ? Could it be an idle sensor problem Quote Link to comment Share on other sites More sharing options...
Monster supra Posted June 29, 2011 Author Share Posted June 29, 2011 I have the explanation mark light on the dash on The book says stop & check Done the diagnosis check & getting no errors ! Quote Link to comment Share on other sites More sharing options...
neo2810 Posted June 30, 2011 Share Posted June 30, 2011 I have the explanation mark light on the dash on The book says stop & check Done the diagnosis check & getting no errors ! You must have errors if the master warning light is on? As far as I know, if a resistor is faulty within the EMI, it wont affect the injectors performing until it cuts them off when the engine heats up, which sounds very much like what you're experiencing. There are much better placed folk on here to offer support than me though so feel free to wait for a second opinion. Quote Link to comment Share on other sites More sharing options...
Monster supra Posted June 30, 2011 Author Share Posted June 30, 2011 The light is on when i turn the key to the 2 position but its not flashing. When i start the car when its cold the light goes out as normal. Had a battery tester on it yesterday & it only had 55% starting power Got a new battery on the car now & runs better. Before it would run but when i stop at traffic lights the idle would go so low then cut out & wont start. Now it idles ok at traffic lights but if i shut the car down it wont start nice for about 30 mins . Quote Link to comment Share on other sites More sharing options...
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