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Old 08-20-2009, 12:47 PM   #31
everlast
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HC's can be gas or oil. Once you really get into it, it can have many causes including rings, valve adjustment, plugs, sludge build up, etc.

Seafoam is your best bet to pass for the short term. Don't use 93 / 94 octane gas either, and make sure your car has been up to temperature for a least 30 minutes, and don't shut it off while waiting for the test to commence. Tell them your battery is low so they keep it running perhaps.
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Old 08-20-2009, 12:49 PM   #32
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No, seafoam is.. seafoam. You can get it at NAPA, I know, probably other places too, like CT. I poured half in the gas and sucked half up an intake vacuum line while the car was running. If there is a lot of gunk in the motor, it will smoke like a MOFO (check youtube).

Make SURE the car is VERY hot for the test. I highly doubt it will just "pass" by going back.
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Old 08-20-2009, 01:04 PM   #33
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for the seafoam i run it till it's empty i guess... and then fill it up with regular gas?
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Old 08-20-2009, 01:11 PM   #34
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Here's what I did:

Changed my oil.
@ 1/3 tank of gas, I added 1/2 the bottle of seafoam on friday night.
Removed a vacuum line from the brake booster and slowly sucked up the remainder of the seafoam into the engine. Go VERY slowly.
Saturday morning, I drove for 1/2 hour on the highway in 4th, straight to the etest place and my car passed fine.

Your experience will vary. This worked for me, but if your valves are out of adjustment or the rings are shot, nothing will magically help you pass etest.

You should post all your numbers from the etest results.
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Old 08-20-2009, 01:27 PM   #35
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Quote:
Originally Posted by everlast View Post
Here's what I did:

Changed my oil.
@ 1/3 tank of gas, I added 1/2 the bottle of seafoam on friday night.
Removed a vacuum line from the brake booster and slowly sucked up the remainder of the seafoam into the engine. Go VERY slowly.
Saturday morning, I drove for 1/2 hour on the highway in 4th, straight to the etest place and my car passed fine.

Your experience will vary. This worked for me, but if your valves are out of adjustment or the rings are shot, nothing will magically help you pass etest.

You should post all your numbers from the etest results.
ok will get the results in a bit
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Old 08-20-2009, 02:17 PM   #36
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40km
Hcppm 60/45 pass
Co% 0.33/0.20 pass
Noppm 0675/29 pass
Rpm 1837 valid
Dilution 15.50 valid

Curb idle
Limit 200/616 fail
Co% 1/0.59 pass
Rpm 763 valid
Dilution 15.59 valid
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Old 08-20-2009, 03:54 PM   #37
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How hot was the motor? Where was the temp gauge? It sounds like the car is getting extra fuel at idle at that point, since its so markedly higher at idle yet fine during the run. This could be due to the car not being up to temp fully yet (30 mins of running) or the temp sensor being out of spec.

How does it idle? Smooth, solid or hitchy and/or rough?
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Old 08-20-2009, 03:55 PM   #38
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Also, could be the thermostat keeping the temp down, if that is the case.

Alternatively, a slow / cold O2 sensor could cause this as well. It may not be detecting the extra fuel and leaning out. Know how old the sensor is?
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Old 08-20-2009, 03:57 PM   #39
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Upon more thought, poor plugs could cause a slight idle misfire too, which would cause the high HC at idle.
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Old 08-20-2009, 04:35 PM   #40
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HOLY ****ING SHIT SHE PASSED!@!!!!!!!

(re: my IX that has ben under the knife for over a year)
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Old 08-20-2009, 04:45 PM   #41
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BOUJA!
NEW:
Schrick 272
Ported and polished head
M30 AFM
19lb injectors
no name chip
87 oct
no methyl hydrate, I dropped it off the night before so it wasn't hot, car hasn't run in more than a year.
Passed with flying colours and no cheating!
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Old 08-20-2009, 04:46 PM   #42
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A well maintained motor in good shape with a good cat should always pass.
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Old 08-20-2009, 05:07 PM   #43
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ok so what should i do as a first step?

seaform and clean the ICV and boot?

i ran a bottle of that redline stuff a while back.. it's supposed to clean the plugs right?

from what i can tell.. the car runs and feels smooth.. idle is good too.. no flucuations sits in the 700 range
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Old 08-20-2009, 05:19 PM   #44
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First you need to answer the rest of the questions. Not to be rude, but I can't really say much else until then.
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Old 08-20-2009, 11:00 PM   #45
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First you need to answer the rest of the questions. Not to be rude, but I can't really say much else until then.
no worries my bad..

hmm car was on and off but it was on the highway for a good 10-15 mins...but i need 30 you say.

the sensor is about 1 year old i think
i have no idea about the thermostat but the guage in the car was sitting in the middle? sorry i don't really know what i'm talking about lol
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