Vtec 2003 Civic EX extremely loud
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yes cai makes it very loud
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but is the vtec suppose to engage this early?? It does not sound normal good, lol
Does the CAI give any benefits or should I replace it with normal air cleaner?
Does the CAI give any benefits or should I replace it with normal air cleaner?
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You shouldn't be able to really hear or feel the vtec kick from a D17..
If I remember correctly, the D17 has a halfassed 2-stage vtec, once stage at about 2500 or something, the other at 4000-ish.. Unless it's just a 1-stage at 4000-something.. I can kinda feel a little bit of something at about 4200-4400 when I'm at WOT, and even then, it's very slight, and I have an AEM V2 SRI and a stage 1 cam installed..
It's been quite a while since I've read about the vtec engagement of a D17.. I should probably brush up on that..
edit: wikipiedia says vtec engagement for the D17 is 4500
If I remember correctly, the D17 has a halfassed 2-stage vtec, once stage at about 2500 or something, the other at 4000-ish.. Unless it's just a 1-stage at 4000-something.. I can kinda feel a little bit of something at about 4200-4400 when I'm at WOT, and even then, it's very slight, and I have an AEM V2 SRI and a stage 1 cam installed..
It's been quite a while since I've read about the vtec engagement of a D17.. I should probably brush up on that..
edit: wikipiedia says vtec engagement for the D17 is 4500
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Well it's extremely loud right now... I just bought the car and the fella said it needed a vtec solenoid, but i do not want to waste $$ if it doesn't need it..
It engages around 2-3k rpm in 1st, 2nd and 3rd gear and isn't there at all in 4th or 5th.
It engages around 2-3k rpm in 1st, 2nd and 3rd gear and isn't there at all in 4th or 5th.
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well if the engine light is off, vtec system is fine. i bet noise is coming from an air leak in the exhaust or intake. the real vtec will not engage unless you are floored at 4500 rpms and above, with engine warmed up and proper oil level. something happens around 2800 rpms, but not the solenoid activation. cai will make the car louder when you mash the gas at any rpm.
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vtec details:
https://www.civicforums.com/forums/1...on-inside.html
https://www.civicforums.com/forums/1...on-inside.html
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The noise comes in at the same loudness if i'm WOT or 1/8 throttle. If it was an exhaust or air leak, wouldn't I hear it in neutral and at all RPMS? Do you think it's fine to drive until I find the problem?
Last edited by nosw22; 08-18-2012 at 09:06 AM.
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It sounds exactly like this @28seconds, but with it coming in around 2k RPM.
[autostream]http://autostream.com/ibcivicforums/?page_type=firebirdplayerthumbnail&framepage=1289& transactionid=1345299609-692323053&posted_by=nosw22_www.civicforums.com&you tube_video_id=sLg03GLPxs8[/autostream]
[autostream]http://autostream.com/ibcivicforums/?page_type=firebirdplayerthumbnail&framepage=1289& transactionid=1345299609-692323053&posted_by=nosw22_www.civicforums.com&you tube_video_id=sLg03GLPxs8[/autostream]
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did you go under the car to look at it?
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for exhaust leaks... yer not much of a mechanic, are you? ....
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