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Old 04-15-2014, 02:44 PM   #1
hellboy2332
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Angry Cold Air Intake NEED HELP!

I have a 2003 2.0L zx5 and i went out and bought a spectre or what its called air intake from autozone put it all together and i unhooked the battery as well so it would be able to reset the ecu so the computer can realize theres a new upgrade and it can adjust to the right perimeters. But for some reason when i step on it, it seems like its almost slower and 3rd gear takes along time to get through now when before it didnt and im trying to figure out why and i cant. Please help


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Old 04-15-2014, 03:08 PM   #2
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Are you using the MAF from your stock intake, is it in the stock tube (or tube of same diameter) and is it going in the correct direction? Is everything connected air tight so as no air is entering the engine unmetered?

Last I heard, spectra did not make a focus specific kit. I am assuming this is cone filter, how is it installed? Have you thrown a CEL? I would abstain from full throttle pulls until you have this sorted or return to the stock setup.
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Old 04-15-2014, 03:31 PM   #3
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When I put mine on a few months ago I made the hose clamp on the throttle body too tight - loosened it up a bit and it was all good. Also, check your hose clamps every now and then I felt like I had a loss of acceleration last month and checked my hose clamps again and one of them was a bit too loose and I could have pulled off the hose.
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Old 04-15-2014, 03:51 PM   #4
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Moved to "Zetec Performance".
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Old 04-15-2014, 04:10 PM   #5
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Quote:
Originally Posted by hellboy2332 View Post
I have a 2003 2.0L zx5 and i went out and bought a spectre or what its called air intake from autozone put it all together and i unhooked the battery as well so it would be able to reset the ecu so the computer can realize theres a new upgrade and it can adjust to the right perimeters. But for some reason when i step on it, it seems like its almost slower and 3rd gear takes along time to get through now when before it didnt and im trying to figure out why and i cant. Please help
You have toi let the car idle for 10 minutes after you reconnect the battery.

Make sure you hooked every thing back up, all electrical cables, and such.


I had a spectre on my last '05 at the bottom of the first filter box. Dont let that confuse you its totally different from Zetec. I forgot to hook up a few cables like the throttle body electric cable! D0H!!!!
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Old 04-18-2014, 10:16 PM   #6
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Chances are it's confusing the heck out of the MAF. I own a 2014 so I'm not entirely familiar with Zetecs. But generally because you replaced the box (restrictive by design) with a full open end cone filter you are losing vacuum pressure. This causes a slight (sometimes more) loss in HP/TQ on the low end say before 4,000 rpm but a gain of HP/TQ on the upper end. I experience this myself on my 2014 focus with an after market CAI. Like others have suggested, did you reinstall all cables/wires? Maybe get MAF spray cleaner and clean it. It could have got debris on it in the process of putting on the spectre. Maybe put back on the OEM airbox and see I it acts the same? Let us know what you find!
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Old 04-28-2014, 08:44 PM   #7
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Check that your hose clamp on the hose to the throttle body isn't loose.
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Old 04-28-2014, 09:34 PM   #8
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Quote:
Originally Posted by fmirenzi View Post
Check that your hose clamp on the hose to the throttle body isn't loose.
or too tight
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Old 06-28-2014, 05:25 PM   #9
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Just curious how a "too tight" hose clamp would screw up the MAF
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Old 06-29-2014, 06:50 AM   #10
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Quote:
Originally Posted by Toother1321 View Post
Just curious how a "too tight" hose clamp would screw up the MAF
If I remember correctly there have been cases where if you tighten them too much it can crack the housing. This could cause false MAF readings. I.E. There could be more air getting into the engine than the MAF is reading. Therefore, based on the improper signal sent from the MAF to the engine management system (ECU), the air to fuel ratio would not be correct. This could cause a stumble or drop in power/performance.
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