Reving Problem

D15, D16, D17 and Mini-Me swaps
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Reving Problem

By ChinoHP
- Sun Aug 24, 2008 5:48 pm #67179 Hey,I have a 94' Honda civic DX coupe, manual.The problem I have is whenever Im in netural my car reves by it self from 1000rpms to 2000rpms.I thought it was my map sensor so I cleaned the plug and the sensor out and that still didn't work so I got 3 other sensors and its still knocking,can anyone help plz.

Thanks
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By arseg
- Sun Aug 24, 2008 8:11 pm #67189
teal_dx wrote:could be a vacuum leak, can you hear any hissing?

^^^ Second that ^^^

By ChinoHP
- Mon Aug 25, 2008 12:08 am #67205
teal_dx wrote:could be a vacuum leak, can you hear any hissing?


Naw,no hissing noise's,It reves out and the engine knocks

By 3lue by u
- Mon Aug 25, 2008 1:06 am #67225 IACV is a possibility. Located on the intake plenum behind throttle body

Image

That is kinda what it looks like.

By ChinoHP
- Mon Aug 25, 2008 2:35 am #67234
teal_dx wrote:engine only knocks in neutral, but not when driving? hopefully your bearings are not trashed. tell us more info about the engine :?


It only rev's when Im in netural never when in gear,and the engine is running nice it onli knocks.

As a matter of fact when I first got the car stock it never had the problem,I put a cold air intake in it and it ran fine but when I put in my headers and new O2 sensor it starting having the problem
Last edited by ChinoHP on Mon Aug 25, 2008 2:39 am, edited 1 time in total.

By ChinoHP
- Mon Aug 25, 2008 2:36 am #67235
3lue by u wrote:IACV is a possibility. Located on the intake plenum behind throttle body

Image

That is kinda what it looks like.


And yeah I took that entire thing off and there's a lil circle silver filter and cleaned it out also and still nothing
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By Eli'sEG94
- Tue Aug 26, 2008 9:03 pm #67404 Yo check your intake manifold gasket, take some engine degreaser and spray it there, if your engine bogs or speads up you just found your problem. I just had this very same problem same simptoms and all. check all the sensors and all. This turned out to be the friggin problem.
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