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#4582867 - 11/23/17 11:50 AM Cleaned Intake Now Revs Are Limited
cb450sc Offline


Registered: 01/06/06
Posts: 493
Loc: Chatham, Ontario, Canada
I cleaned the intake in my 2005 Honda Civic with the 1.7 l engine. As per instructions I reved the engine after a few hours to help clean it out. The engine would only rev to 4000 - 4200 rpm. When I drive the car however it will rev above that point. I have cleaned the intake before and did not notice this happening. Is this the rev limiter or do I have an issue?

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#4582897 - 11/23/17 12:19 PM Re: Cleaned Intake Now Revs Are Limited [Re: cb450sc]
StevieC Offline


Registered: 08/21/08
Posts: 17116
Loc: Ontario, Canada
There is a rev limiter. Engines that are revved too high without load can cause engine damage. Mine won't go bast 4,000 rpm.


Edited by StevieC (11/23/17 12:20 PM)
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#4582914 - 11/23/17 12:36 PM Re: Cleaned Intake Now Revs Are Limited [Re: cb450sc]
Charlie2015 Offline


Registered: 04/24/15
Posts: 241
Loc: Georgia
VTEC or non-VTEC?
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#4582920 - 11/23/17 12:42 PM Re: Cleaned Intake Now Revs Are Limited [Re: cb450sc]
Artem Offline


Registered: 10/30/10
Posts: 5117
Loc: Florida
Was it like that before you cleaned it?

Sounds like the typical stationary rev limiter. If the car drives normally, what's the big deal? Stop revving the [censored] outta it in the parking lot and the world will be a better place.
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#4582958 - 11/23/17 01:36 PM Re: Cleaned Intake Now Revs Are Limited [Re: Artem]
barkingspider Offline


Registered: 12/22/13
Posts: 2049
Loc: socal
Originally Posted By: Artem
Was it like that before you cleaned it?

Sounds like the typical stationary rev limiter. If the car drives normally, what's the big deal? Stop revving the [censored] outta it in the parking lot and the world will be a better place.


This
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#4583136 - 11/23/17 06:35 PM Re: Cleaned Intake Now Revs Are Limited [Re: cb450sc]
cb450sc Offline


Registered: 01/06/06
Posts: 493
Loc: Chatham, Ontario, Canada
As I mentioned in my original post I was following the instructions on the product and that I don't remenber if this happened when I did it a couple of years ago. So obviously I don't sit in my driveway and rev the [censored] out of the engine just to hear it!

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#4583146 - 11/23/17 06:56 PM Re: Cleaned Intake Now Revs Are Limited [Re: cb450sc]
AntDeek Offline


Registered: 08/15/15
Posts: 51
Loc: NJ
The rev limiter is lower when in park/neutral. You can rev higher in drive because the engine has a load. The rev limiter in neutral/park has always been there.
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#4583169 - 11/23/17 07:28 PM Re: Cleaned Intake Now Revs Are Limited [Re: cb450sc]
Nick1994 Offline


Registered: 02/19/13
Posts: 10122
Loc: Phoenix, AZ
Mass airflow sensor not detecting because the air intake is off?
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#4583247 - 11/23/17 09:13 PM Re: Cleaned Intake Now Revs Are Limited [Re: Nick1994]
cb450sc Offline


Registered: 01/06/06
Posts: 493
Loc: Chatham, Ontario, Canada
Originally Posted By: Nick1994
Mass airflow sensor not detecting because the air intake is off?



I had put it all back together then started it.

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