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Re: Cold idle hunting. '88t, is this really the AMM? I have Posted by Cmyles [Email] (#1126) [Profile/Gallery] (more from Cmyles) on Fri, 16 Dec 2011 08:26:22 In Reply to: Re: Cold idle hunting. '88t, is this really the AMM? I have, JET AIR 900, Thu, 15 Dec 2011 23:12:37 Members do not see ads below this line. - Help Keep This Site Online - Signup |
With LH2.2 idle hunting that occurs when the engine is cold for a few minutes and then ceases as the engine and O2 sensor warm up is almost always due to a bad AMM. If the symptoms are different; hunts warm or cold, hunts only when warm, etc. then the cause is different. The most common cause of constant (cold and warm and hot) idle hunting is a vacuum leak.
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