High Idle issue after Intake install? - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 06-01-2013, 07:20 PM Thread Starter
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High Idle issue after Intake install?

I just installed a K&N Cold Air Intake on my 08 F-250 and when I got home i noticed my parked idle was a little over 1000rpm close to 1100 or so, normally the truck sits around 800 and I want to be sure this isnt a serious issue or just an affect from the new intake?

Please someone help me with this thanks!
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post #2 of 7 Old 06-01-2013, 10:20 PM
Yeah it's a Turbo Diesel
 
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I'd return the k&n kit ASAP. They're filters do a poor job of filtering out the elements on our trucks. Go with afe or s&b. it's not just theory, there's numerous tests out there proving it just search the forums. But yeah, get rid of that k&n. I personally like afe over s&b but that's just me


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post #3 of 7 Old 06-03-2013, 06:30 AM
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I agree with Marshall. Although i dont think the intake is causing the higher idle I would get rid of the k&n and get an AFE or s&b. I have heard bad things about k&n. One member did a whole thread about the k&n and it wasnt good. He finally switched. I cant remember the members user name.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #4 of 7 Old 06-10-2013, 05:25 PM
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Quote:
Originally Posted by mts678 View Post
I'd return the k&n kit ASAP. They're filters do a poor job of filtering out the elements on our trucks. Go with afe or s&b. it's not just theory, there's numerous tests out there proving it just search the forums. But yeah, get rid of that k&n. I personally like afe over s&b but that's just me


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I know you said there are numerous tests saying K&N air filters aren't adequate however, many people don't know you are supposed to oil the filter before you install it. I know a lot of guys who race motorcycles and cars and highly recommend K&N air filters. Were these tests performed after the filters were oiled?
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post #5 of 7 Old 06-10-2013, 06:48 PM
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Yes, on gasoline motors they do ok, but a twin turbo diesel, those turbos just suck the **** it, hense it not being a good filter
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post #6 of 7 Old 06-10-2013, 07:00 PM
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Originally Posted by ramonpowerstroker View Post
Yes, on gasoline motors they do ok, but a twin turbo diesel, those turbos just suck the **** it, hense it not being a good filter
O i c! Thank you!

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post #7 of 7 Old 06-10-2013, 08:42 PM
Yeah it's a Turbo Diesel
 
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Yeah he's right^. It's been so long since I read the thread with the test I can't even remember. I just remember reading that and immediately thinking "That's enough info for me to go with another filter that's proven to filter out all the crap and keep my 2 turbos in good shape". I have 2 afe filters, I keep one cleaner and ready to go in the box on the shelf so when I need to clean my filter I just swap them out, clean the dirty one and re oil it and stuff it back in the box- so I don't have to wait for it to dry and all that crap before I can drive again. Well worth buying a 2nd filter if your using the oiled ones!


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Marshall
2000 F250 7.3L CCSB 2WD
Tinted | Focal speakers & 12" Kicker | CTS Edge Insight | Wicked Wheel | 6 pos chip | 05 grill & lights | 08 mirrors & tailgate | EBVP delete | 08 console | Nathan P3 train horns & Onboard Air
Switching to hid's? Do it right!

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