2006 torrent idle

jr1471

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I have 2006 torrent and a few years ago I replaced the battery. It seems like since then I have had problems with the engine idle being to high. I was wondering if anyone had any input on what may be the cause? ECM?
 
do you have a check engine light on? have you checked for a vacuum leak? have you cleaned the throttle body and IAC?
 
Yes the engine light is on. I have not yet taken it to get the codes and have not done anything to it yet. Just hoping someone could give a good starting point for me.
 
the starting point is to get the codes read which autozone does at no charge
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The idle has gone back to normal. The codes I got were P0442 P0445 P0455 U0073.
 
the first three codes point to an evaporative system issue which maybe a vacuum leak causing a high idle. The last one points to a possible bad ground asssociated with the BCM.
 
could the first three codes be ponting to an AC problem. Last summer my wife complained that it wasnt getting as cold as it normally does. Seemed to get better or maybe she just quit complaining about it?
 
the engine computer does not monitor the A/C system
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