Hello, I have been the owner of the above-mentioned Honda for several months, there are no problems with it, the engine works perfectly, it does not smoke a gram (I was following my friend at night and I told him to push it down), today I took out the oil dipstick on the lit one and here it...

Check pneumothorax for obstruction.

Everything ok, normally the blows go through the pneumothorax. By unscrewing the cork or removing the bayonet, you let them escape in other ways.

Each engine has crankcase blow-bys. This is what pneumothorax or pneumothorax is for. Of course, the mechanic can check the compression ratio to determine the overall condition of the engine.

He would take and kick blue. The tube that runs from the crankcase to the valve cover and from only part of the valve cover is visible,

I will make an appointment with a mechanic, if I do not take oil and smoke, I can sleep well and not be afraid that the engine will be replaced?

the degree of compression must be checked,

My fellow mechanic will check it for me in a week, I have some general knowledge and practice in amateur mechanics and I would like to clean the odme myself, can help me where is it located in my car? Or maybe paste a photo of the engine with the cover removed and someone will help me?

it's normal for oil to be blown out through the dipstick when the piston rings don't hold compression, so it's not bullshit sly_1978. send photos of the engine, it will show you a pneumothorax.

I will send you a photo of the engine the same as mine because I do not have the opportunity to take a photo today, how would the rings be on the finish, would it sometimes not take oil?

Buddy, moto-cord, could you tell me which pipe is then I'll get to the emphysema? Added after 4 [minutes]: Also adds a photo of the same engine in the front.

Thanks, I will clean and share my comments today. Added after 3 [hours] 58 [minutes]: Today I checked with a friend in a 3-year-old Honda that he bought from a dealership with a mileage of 40,000 and when the filler is unscrewed, it is such a pressure that the plug cannot be put because it throws it into the air, I also checked in an older accord with the same engine as mine, and it is pressure and throws oil, and even splashes, and a friend drives this car for 4 years and the oil does not drop, and generally no problems with the car. So he recognizes that this symptom is in every Honda, that he throws oil. He thanks everyone for their help and considers the topic closed.

Honda accord 2008 2.2 i-dtec - Spits oil from the dipstick and the oil filler ca

koks214 10743 13

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#1 16780912 26 Oct 2017 16:05

koks214 koks214

Level 10

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Post #1
16780912 26 Oct 2017 16:05

Hello, I have been the owner of the above-mentioned Honda for several months, there are no problems with it, the engine works perfectly, it does not smoke a gram (I was following my friend at night and I told him to push it down), today I took out the oil dipstick on the lit one and here it spits lightly with oil, I unscrewed the oil filler cap and here it blows and spits oil. Is the engine already replaced? I did 4,000 km and the oil level on the dipstick did not decrease even by mm. I am asking for advice.
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#2 16780949 26 Oct 2017 16:26

andrzej20001 andrzej20001

Level 43

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Post #2
16780949 26 Oct 2017 16:26

Check pneumothorax for obstruction.
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#3 16780956 26 Oct 2017 16:28

Michal_WWL Michal_WWL

Level 26

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Post #3
16780956 26 Oct 2017 16:28

Everything ok, normally the blows go through the pneumothorax. By unscrewing the cork or removing the bayonet, you let them escape in other ways.
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#4 16780963 26 Oct 2017 16:31

koks214 koks214

Level 10

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Post #4
16780963 26 Oct 2017 16:31

I will make an appointment with a mechanic, if I do not take oil and smoke, I can sleep well and not be afraid that the engine will be replaced?
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#5 16780979 26 Oct 2017 16:44

Michal_WWL Michal_WWL

Level 26

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Post #5
16780979 26 Oct 2017 16:44

Each engine has crankcase blow-bys. This is what pneumothorax or pneumothorax is for.
Of course, the mechanic can check the compression ratio to determine the overall condition of the engine.
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#6 16781528 26 Oct 2017 20:57

golf2syncro golf2syncro

Level 9

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Post #6
16781528 26 Oct 2017 20:57

the degree of compression must be checked,

Moderated By ociz:
3.1.11. Don't post messages that add nothing to the discussion. They are misleading, dangerous or do not solve the user's problem.

Learn what a "compression ratio" is anyway.
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#7 16781690 26 Oct 2017 21:59

sly_1978 sly_1978

Level 20

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Post #7
16781690 26 Oct 2017 21:59

golf2syncro wrote:
the degree of compression must be checked,

Don't say nonsense.
#8 16781697 26 Oct 2017 22:00

koks214 koks214

Level 10

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Post #8
16781697 26 Oct 2017 22:00

My fellow mechanic will check it for me in a week, I have some general knowledge and practice in amateur mechanics and I would like to clean the odme myself, can help me where is it located in my car? Or maybe paste a photo of the engine with the cover removed and someone will help me?
#9 16781814 26 Oct 2017 22:55

golf2syncro golf2syncro

Level 9

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Post #9
16781814 26 Oct 2017 22:55

it's normal for oil to be blown out through the dipstick when the piston rings don't hold compression, so it's not bullshit

sly_1978.

send photos of the engine, it will show you a pneumothorax.
#10 16781906 26 Oct 2017 23:35

koks214 koks214

Level 10

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Post #10
16781906 26 Oct 2017 23:35

I will send you a photo of the engine the same as mine because I do not have the opportunity to take a photo today, how would the rings be on the finish, would it sometimes not take oil?
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#11 16781937 27 Oct 2017 00:03

moto-kord moto-kord

Level 28

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Post #11
16781937 27 Oct 2017 00:03

koks214 wrote:
if the rings were on the finish, sometimes the oil would not take?

He would take and kick blue. The tube that runs from the crankcase to the valve cover and from
only part of the valve cover is visible,
#12 16782073 27 Oct 2017 07:53

koks214 koks214

Level 10

» | Topic author Helpful post? (0)

Post #12
16782073 27 Oct 2017 07:53

Buddy, moto-cord, could you tell me which pipe is then I'll get to the emphysema?

Added after 4 [minutes]:

Also adds a photo of the same engine in the front.
Helpful post

#13 16782105 27 Oct 2017 08:13

sly_1978 sly_1978

Level 20

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Post #13
16782105 27 Oct 2017 08:13

koks214 wrote:
Buddy, moto-cord, could you tell me which pipe is then I'll get to the emphysema?

Added after 4 [minutes]:

Also adds a photo of the same engine in the front.

Here you are.
#14 16782125 27 Oct 2017 12:27

koks214 koks214

Level 10

» | Topic author Helpful post? (+1)

Post #14
16782125 27 Oct 2017 12:27

Thanks, I will clean and share my comments today.

Added after 3 [hours] 58 [minutes]:

Today I checked with a friend in a 3-year-old Honda that he bought from a dealership with a mileage of 40,000 and when the filler is unscrewed, it is such a pressure that the plug cannot be put because it throws it into the air, I also checked in an older accord with the same engine as mine, and it is pressure and throws oil, and even splashes, and a friend drives this car for 4 years and the oil does not drop, and generally no problems with the car. So he recognizes that this symptom is in every Honda, that he throws oil. He thanks everyone for their help and considers the topic closed.
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Topic summary

✨ The discussion revolves around a 2008 Honda Accord 2.2 i-DTEC experiencing oil spitting from the dipstick and oil filler cap. The owner reports no significant engine issues, as the oil level remains stable after 4,000 km. Responses suggest that the observed behavior may be normal due to crankcase blow-by, which is a common occurrence in engines. Several participants recommend checking the compression ratio to assess engine health and suggest that the oil spitting could be related to the engine's design. The owner plans to consult a mechanic and is interested in cleaning the crankcase ventilation system. Ultimately, it is noted that similar symptoms are observed in other Honda vehicles, indicating that this may not be a cause for concern.
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FAQ

TL;DR: Owner observations: a dealer-serviced Accord with 40,000 km showed strong filler-cap pressure yet no oil loss; "this symptom is in every Honda." Open caps/sticks vent blow-by, so check PCV/odma and monitor smoke/oil level. [Elektroda, koks214, post #16782125]

Why it matters: This FAQ helps Honda Accord 2.2 i‑DTEC owners diagnose oil mist at the dipstick/filler without panic and decide what to check first.

Quick Facts

Normal crankcase blow-by will escape if you remove the dipstick or filler cap on a running engine. [Elektroda, Michal_WWL, post #16780956]
Worn rings usually cause blue exhaust smoke and measurable oil consumption. [Elektroda, moto-kord, post #16781937]
A simple compression test helps assess overall engine condition when symptoms worry you. [Elektroda, Michal_WWL, post #16780979]
On this engine family, users reported strong cap pressure yet stable oil levels over years of use. [Elektroda, koks214, post #16782125]

Is oil spitting from the dipstick on a 2008 Accord 2.2 i‑DTEC normal?

Yes, if you pull the dipstick or open the filler with the engine running, crankcase gases can vent there and carry a light oil mist. That is expected behavior when the PCV/odma is routing blow‑by. The symptom alone does not mean an engine rebuild. [Elektroda, Michal_WWL, post #16780956]

Will my engine need replacing if it blows oil mist but doesn’t burn oil?

Not based on that symptom alone. All engines have some blow‑by. If oil level stays stable and there’s no blue smoke, schedule checks but don’t assume a rebuild. A compression test can benchmark health. “Each engine has crankcase blow-bys.” [Elektroda, Michal_WWL, post #16780979]

What is the PCV/odma/pneumothorax system?

It’s the Positive Crankcase Ventilation path that routes combustion blow‑by gases from the crankcase back into the intake, preventing pressure buildup and controlling emissions and oil leaks. In this thread it’s called odma or pneumothorax. See general background on PCV. “PCV valve”

Where is the PCV hose on the 2.2 i‑DTEC?

Owners identified the hose running from the crankcase area to the valve cover; a forum reply marked its location in a photo. Use that routing to find the connection points for inspection and cleaning. [Elektroda, sly_1978, post #16782105]

How do I quickly check/clean the odma (PCV) path?

With engine cool, trace the hose from crankcase to valve cover and remove it.
Inspect for sludge, kinks, or blockage; wipe and clear gently.
Refit securely and ensure no cracks or loose clamps.
This aligns with the identified hose path in the thread. [Elektroda, sly_1978, post #16782105]

When should I get a compression test on this engine?

Get one if oil level drops, blue smoke appears, or performance worsens. A test helps separate normal blow‑by from ring or valve issues. A mechanic can perform it to gauge overall condition. “Each engine has crankcase blow-bys.” [Elektroda, Michal_WWL, post #16780979]

Do worn piston rings always mean oil usage on this Honda?

Worn rings typically show as blue exhaust smoke and oil consumption. If rings were failing, you’d expect visible blue smoke under load and falling dipstick levels. Lack of those signs points away from ring failure. [Elektroda, moto-kord, post #16781937]

My oil level hasn’t changed over 4,000 km; should I worry about the mist?

Stable oil levels over 4,000 km suggest the engine is sealing well. Light mist when opening the filler or dipstick can still occur due to vented blow‑by. Keep monitoring level and smoke; schedule routine checks. [Elektroda, koks214, post #16780912]

Is strong pressure at the filler cap common on these engines?

Several owners reported notable cap pressure and some oil splatter with no oil loss over years of driving. That observation reduces concern if other symptoms are absent. Continue normal maintenance and periodic inspections. [Elektroda, koks214, post #16782125]

What does “pneumothorax” mean in this thread about engines?

It’s a colloquial or translated term users applied to the crankcase ventilation system (odma/PCV). Opening the cap or dipstick gives those gases an easier escape route, which you may see as mist or pulses. [Elektroda, Michal_WWL, post #16780956]

What warning signs mean the issue isn’t just normal blow‑by?

Watch for blue smoke, noticeable oil consumption, rising oil level from fuel dilution, or rough running. Those signs warrant deeper diagnostics beyond PCV checks. Blue smoke plus oil loss points to ring wear as a failure case. [Elektroda, moto-kord, post #16781937]

What basic tools help inspect the PCV hose on this Accord?

Use pliers for spring clamps, a flat screwdriver for band clamps, rags, and a flashlight. With the hose path identified between the crankcase and valve cover, you can remove and check it in minutes. [Elektroda, sly_1978, post #16782105]

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