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The BMW Range
3 Series
E30
e30m40 low idling when cold...
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<blockquote data-quote="selespeed" data-source="post: 22879" data-attributes="member: 1388"><p>hi experts out there; now that i have fixed ther problem of high engine ldling speed, it is now the opposite. usually i remember many years ago when i do a cold start in the morning, the engine rpm would be higher because it is cold. and then returns to normal when (900) when warm. now it isn't anymore - always like 750 to 800 whatever the engine state. any idea what caused this? also, how does ecu know it needs to revv more when cold? is there a temp sensor somewhere? thanks in advance.</p></blockquote><p></p>
[QUOTE="selespeed, post: 22879, member: 1388"] hi experts out there; now that i have fixed ther problem of high engine ldling speed, it is now the opposite. usually i remember many years ago when i do a cold start in the morning, the engine rpm would be higher because it is cold. and then returns to normal when (900) when warm. now it isn't anymore - always like 750 to 800 whatever the engine state. any idea what caused this? also, how does ecu know it needs to revv more when cold? is there a temp sensor somewhere? thanks in advance. [/QUOTE]
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e30m40 low idling when cold...
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