OIL In Cyl #3 - SparkPlugs Coverred - Smokes A Little, Need Diagnosis
#1
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OIL In Cyl #3 - SparkPlugs Coverred - Smokes A Little, Need Diagnosis
This is a brand new rebuilt d16a6 motor, total bottom end is 100% new with new parts, the head is completely built and was previously used for 4500 miles and then slapped on my motor.
The car ran great for the first 3K or so Ive had it and just recently I noticed that after the car is fully warmed up and you go for a drive. Come to a stop or slow down hard, the car will kind of billow smoke. Not to heavy but enough to surround the car and into the cabin a bit.
Smelt like burning oil so I pulled the plugs, sure enough #3 was SOAKED, a good 1/2 teaspoon all up the threads and on the tip of the plug.
I did some research and found that the valve cover gromets like to fail on people, picked up a brand new set and threw em in, didnt work.
Now this problem doesnt seem to be constant, the car has gone a day before without smoking, but today it smoked at almost every full stop.
It will not smoke if you start the car up from cold and let it idle, no smoke at all.
Im lost on what it could be or how I could fix it.
The car ran great for the first 3K or so Ive had it and just recently I noticed that after the car is fully warmed up and you go for a drive. Come to a stop or slow down hard, the car will kind of billow smoke. Not to heavy but enough to surround the car and into the cabin a bit.
Smelt like burning oil so I pulled the plugs, sure enough #3 was SOAKED, a good 1/2 teaspoon all up the threads and on the tip of the plug.
I did some research and found that the valve cover gromets like to fail on people, picked up a brand new set and threw em in, didnt work.
Now this problem doesnt seem to be constant, the car has gone a day before without smoking, but today it smoked at almost every full stop.
It will not smoke if you start the car up from cold and let it idle, no smoke at all.
Im lost on what it could be or how I could fix it.
#2
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Re: OIL In Cyl #3 - SparkPlugs Coverred - Smokes A Little, Need Diagnosis (PINKS)
it might be the piston ring. i had the same problem and it turned out to be that.
#6
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Re: OIL In Cyl #3 - SparkPlugs Coverred - Smokes A Little, Need Diagnosis (PINKS)
Well Theres oil on the dam threads of the spark plug, to me that mens its coming from the top.... right?
I did just replace the valve cover orings though so I cant see that being the problem, would teflon do anything there or would it just burn up?
I did just replace the valve cover orings though so I cant see that being the problem, would teflon do anything there or would it just burn up?
#7
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Re: OIL In Cyl #3 - SparkPlugs Coverred - Smokes A Little, Need Diagnosis (PINKS)
bump, compression test and new valve cover will be done tonight
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Re: (scuzz)
yeh they prolly werent offset right or gapped right....but if the threads are soaked it has to b the rings.....do a leakdown test, or even a wet compression test and itll tell u for sure....
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you wouldn't be able to tell if it was on the bottom end - it would burn up, that's what's 'causing the smoke probably
It's either a spark plug seal or a piston ring in my diagnosis....that's just my opinion tho..but I wouldn't be all like "well I just replaced the piston rings, so it CAN'T be that" because it just MIGHT be.. - but that's your call
It's either a spark plug seal or a piston ring in my diagnosis....that's just my opinion tho..but I wouldn't be all like "well I just replaced the piston rings, so it CAN'T be that" because it just MIGHT be.. - but that's your call
#13
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Re: (Syndacate)
Yes I understand oil is getting in the combustions chamber, but if you read when it may change your mind where its coming from
If I start the car cold it will NOT smoke, when driving around under boost or vacuum it will NOT smoke. It only smokes OCCASIONALLY (about every 3rd time I stop) when i come to a hard stop and sometimes when just coming to a slow stop, once I start moving again, it goes away.....
Im going to do a compression test in 10 minutes
The motor was rebuilt with vitara pistons and eagle rods, head is fully built with aftermarket parts
If I start the car cold it will NOT smoke, when driving around under boost or vacuum it will NOT smoke. It only smokes OCCASIONALLY (about every 3rd time I stop) when i come to a hard stop and sometimes when just coming to a slow stop, once I start moving again, it goes away.....
Im going to do a compression test in 10 minutes
The motor was rebuilt with vitara pistons and eagle rods, head is fully built with aftermarket parts
#14
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Re: OIL In Cyl #3 - SparkPlugs Coverred - Smokes A Little, Need Diagnosis (PINKS)
Compression Test Results - 130 - 130 - 130 - 130
Damn that made me smile seeing those numbers , whether they mean something or not
I really would like to know how oil is getting all over my dam spark plug though
Damn that made me smile seeing those numbers , whether they mean something or not
I really would like to know how oil is getting all over my dam spark plug though
#18
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Re: (EKEJ6)
Iwas told it couldnt be because it doesnt somoke all the time, only after a good drive and when coming to a stop for some reason
#19
Honda-Tech Member
Re: (PINKS)
if it smokes only at a stop then thats exactily what it is because the low rpms at idle let oil between the valve stem and the bad seal....at uper rpms the valve is moving too fast for oil to pass
#20
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Re: (EKEJ6)
Hard to change? Why wouldnt it smoke on startup then? and why does the smoke go away after you sit at the light for a minute?
That diagnosis doesnt make sence
That diagnosis doesnt make sence
#21
Honda-Tech Member
Re: (PINKS)
at start up there might not be enough oil pressure yet to cause leaking as for the smoke going away at a stop idk. dose it smoke at operating temp just crusing around or just at stops?
#22
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Re: (EKEJ6)
Ive got 60psi oil pressure on a cold cold start in the mornings, no smoke
Only smokes when coming to a stop, sometimes just before I stop I notice the could
Only smokes when coming to a stop, sometimes just before I stop I notice the could
#23
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Re: OIL In Cyl #3 - SparkPlugs Coverred - Smokes A Little, Need Diagnosis (PINKS)
Well I went out for a drive, I noticed that the car seems to smoke when the oil pressure is higher.... maybe that would be obvious?
But, like I said, it only smokes on hard decel and idle, when the car warmed up and idle pressure was under 25psi (around 23) the car didnt smoke at all, I did quite a few stops frequently just to check it out, didnt smoke once.
Maybe I should just lower my oil pressure significantly for a temp fix until winter when I can tear the motor apart? Wonder what I could do to get the pressure way day, if its feasible
But, like I said, it only smokes on hard decel and idle, when the car warmed up and idle pressure was under 25psi (around 23) the car didnt smoke at all, I did quite a few stops frequently just to check it out, didnt smoke once.
Maybe I should just lower my oil pressure significantly for a temp fix until winter when I can tear the motor apart? Wonder what I could do to get the pressure way day, if its feasible
#25
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Re: OIL In Cyl #3 - SparkPlugs Coverred - Smokes A Little, Need Diagnosis (PINKS)
No throttle wasnt open at all
UI would like to know if lowerring the oil pressure may help based on whats Ive found thouh
UI would like to know if lowerring the oil pressure may help based on whats Ive found thouh