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Old 02-27-2012, 06:55 AM
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Rough Idle with High Pressure Crossover

So, I just installed the KCM Stainless Steel High Pressure Crossover line between the 2 rails. I know it is supposed to help with rough idle but this mod actually made my truck idle more rough! and, it doesn't seem to have the power it used to have either. doesn't pull as hard. any thoughts as to why?
thank you.
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Old 02-27-2012, 12:05 PM
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how lon have you had it on? could be air in the system still
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Old 02-27-2012, 12:25 PM
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Quote:
Originally Posted by dentexcoalroller View Post
how lon have you had it on? could be air in the system still

I just installed it on Saturday. only about 40 miles on it so far. I will be patient and drive it a bit more. thanks for the information!
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Old 03-22-2012, 08:48 PM
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im having the same problem !! made rough idle and a bit harder start up and made my exaust sound more "choppy" ive got about 60 miles or more on mine and havent noticed any difference. Im going to be putting over 1000 on it this weekend ill let you kno if anything changes but help would be nice!!
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Old 03-22-2012, 09:15 PM
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It's usually just air left in the system.
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