lets see how good you are...E32 V12

[Hermes]

this is the CA smog fail sheet from my buddy's '92 E32 5.0L V12. What should I tell him to check? I have no clue what it could be since I've never dealt with a V12 (I had the I6). Any ideas?

http://i29.photobucket.com/albums/c288/jhermes/other%20stuff/750v12.jpg

[Johnmadd]

I have no experience with the cali law, but I would guess that a new cat would help, and maybe an additive from an auto parts store.

[mimalmo]

IIRC, high HC ppm numbers come from too much unburnt fuel. So, a bad catalytic converter, clogged injectors, bad plugs, bad coils, etc are the main culprits.

[telijah]

Is he throwing a check engine light? He can get the codes using a stomp test that worked on the E32's.

[Johnmadd]

Is he throwing a check engine light? He can get the codes using a stomp test that worked on the E32's.

No. California is very strict on emissions for yearly inspections, due to the fact that they have to much air pollution already.

[Hermes]

I'll try to see him tomorrow. I'll get back with answers

[zj96sc]

High HC:
-improper timing
-defective ignition components
-lean fuel mixture
-defective cat
-defective air injection components
-low compression

see: http://www.smogtips.com/failed-high-hydrocarbons-HC.cfm

High NO:
-lean fuel mixture
-defective EGR system
-defective cat
-hi mileage (carbon buildup raising compression)
-overheat

see: http://www.smogtips.com/failed-high-NO-nitrous-oxide.cfm

i'd start with making sure you've got good fuel and air delivery (no air leaks, vacuum leaks, clean filter, fuel filter, injectors clean, etc), then make sure if you've got good plugs and wires or whatever that v12 uses, and then move on to the cat(s)

[Hermes]

I was thinking to tell him maybe a can of sea foam as a start (150k on a 19 year old car)

[johnrando]

No. California is very strict on emissions for yearly inspections, due to the fact that they have to much air pollution already.

You actually only need to pass SMOG inspection every other year to register your car. It consists of a "visual" inspection to see that you haven't altered any of the SMOG devices (CATS, etc) and then an emissions test where they measure the output from your exhaust which has to be within certain parameters.

[Hermes]

Here's the car, it's gonna need a lot of TLC so if any SD people wanna help me play with an E32... send me a message

http://i29.photobucket.com/albums/c288/jhermes/f3234859.jpg

http://i29.photobucket.com/albums/c288/jhermes/ab311f6e.jpg

http://i29.photobucket.com/albums/c288/jhermes/c339a8b3.jpg

http://i29.photobucket.com/albums/c288/jhermes/468469e2.jpg

http://i29.photobucket.com/albums/c288/jhermes/2c10c560.jpg

[Hermes]

I'm helping my buddy Seafoam his car today, I just need somebody to tell me where the vacuum tube is where I'm supposed to put some in. I had a 3.5L so I don't know where it is on this engine. Thanks everybody!

[LivesNearCostco]

There is one vacuum tube connected to the brake booster, but on my car it's connected with what looks like a one time use hose clamp. So if you take it off, you probably need to have an extra hose clamp of the right size to put it back.

[Hermes]

He thinks here...

http://i29.photobucket.com/albums/c288/jhermes/bab16c11.jpg

On the intake tube

[telijah]

According to AllData, #12 is one you could use. This would get it into the fuel delivery, or were you looking for elsewhere?