Question about Ignition System for Subaru Justy

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CAR STARTS WHEN COLD BUT NOT WARM

WHAT CAUSES THIS PROBLEM

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Electrical resistance increases with temperature, If the problem lies with your ignition system then something is likely to be breaking down under load. I would suggest having the exhaust emissions checked when engine is hot to rule out a fuelling problem.

Posted on Dec 10, 2012

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Posted on Jan 02, 2017

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Hi if your car runs fine from cold and starts fine when cold, but then if it starts playing up when it gets to near running normal temp then this is a good indication that the oxygen sensor is up the shoot and will need replacing.
the reason it points towards this being the fault is that the oxygen sensor only starts to work when it reaches a certain temp so if your car runs fine when cold but plays up when hot or warm then the chances are getting the oxygen sensor (or lambda sensor for its proper name) changed should then solve your problem.

let me know how you get on or if you need further assistance ok

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1 Answer

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