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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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06-18-2008, 01:49 PM | #31 |
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cool yeah ill check it..it didnt pass by about 10 points in 15mph i even used that gaurenteed to pass ish.. but no luck... i found a brittle line that runs from the egr to bpt valve and fixed but havent gone for the retest.. also on the bpt valve when u take it off,close all the holes and blow in it is it supposed to escape air..?? cause this 1 does.. and im not sure if its supposed to seal air or acts as an exhaust
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06-18-2008, 02:50 PM | #35 | |
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Quote:
Last edited by techn9ne; 06-18-2008 at 05:17 PM.. Reason: left a word out |
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06-18-2008, 03:11 PM | #40 | |
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pay depends on experience, and since im young (21) and my boss is a penny pinching piece of shit, i get 11/hour. but at the dealership, i would have been getting paid at 18.75/hour flat rate. too bad i got fired. |
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06-18-2008, 05:20 PM | #43 |
Zilvia Addict
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I don't have a 5spd ECU near me. But I do have Auto.
If it has "A18-B93 GO l" written on it, it's an Auto ECU. You don't have a buddy you can swap just to test?
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06-19-2008, 03:05 AM | #48 |
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yes. the anti sperm sensor in the cabin goes off and turns on the check engine light. the computer will see fail and aids, and immediately stops the dyno so the car is crashed into the wall. then it fails it.
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06-19-2008, 03:38 AM | #49 |
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Yo I can't believe you're still up!
There's some great info in this thread. So my spare car's a '91 S13 with an OBD2 KA in it... as long as the engine passes the sniffer test and visual, they're not going to try and plug anything into it to read codes? Basically, I can just pull the CEL bulb and be straight? What about at the ref? Also, girlfriend's car is an out-of-state model... can I buy a 49-state cat off the 'net to pass smog here, or do I need a special CA 'absorber' cat? Where should I go to get one? She's got 100k on a 2001 Sentra and it threw a code, mechanic she took it to said replace cat and o2's?
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06-19-2008, 09:12 AM | #50 | |
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There are things you can do to the Auto ECU to prevent it from throwing a code, I haven't done it but I've heard its not too difficult, Manaul ECUs go on eBay and the BST all day for $60... not sure what years yours is but there's a nissan sticker on it with two big letters cross reference those to figure out what it is Automatic ECUs 11 = 89-90 240sx AT (KA24E) ? 15 = 89-90 240sx AT (KA24E) Cal 25 = 91-94 240sx AT (KA24DE) ? 29 = 91-94 240sx AT (KA24DE) HU = 95 240sx AT (KA24DE) (mfg before 10/94) 3D = 95 240sx AT (KA24DE) (mfg after 9/94) CB = 96 240sx AT (KA24DE) Universal NF = 97-98 240sx AT (KA24DE) J7 = 97-98 240sx SE AT (KA24DE) (A18-H64 GA4) Manual ECUs: 10 = 89-90 240sx MT (KA24E) ? 24 = 91-94 240sx MT (KA24DE) ? 28 = 91-94 240sx MT (KA24DE) HT = 95 240sx MT (KA24DE) (mfg before 10/94) (A18-E07-G90) 3C = 95 240sx MT (KA24DE) (mfg after 9/94) CA = 96 240sx SE MT (KA24DE) (A18-E27-G46) ^thats a list I've been working on, it's not complete so if you've got something else then you'll need to google about. My car has "HU" because it's an early model 95 with an AT ecu... |
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06-20-2008, 10:55 AM | #52 | |
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out of state model cars are only required to pass the federal emissions test, which usually is just lest strict. its still the same test however, just the limits are a little bit higher. im guessing the code was "catalyst threshhold below efficiency" or some shit like that? that code usually goes off when the difference in the front 02 and the rear 02 is not what the ecu sees. so it could be just the cat, or just the 02 sensors. or both. |
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06-20-2008, 12:39 PM | #56 |
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I got a NA chassis rx7 with a jdm turbo swapped motor. Should equal the same as a USDM turbo car, but i got an aftermarket intercooler, exhaust system intake yadda yadda.. If i throw some cats. would it be possible to smog the car? since its a motor swap not original for this model im curious about that.
Ive seen smog guys not worry about intakes since its just air filters. Possible for my car to pass visual on a motor swap since its basically the same as a turbo model?
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06-20-2008, 05:04 PM | #57 | |
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about the engine swap, if the technician doesnt notice that its the jdm motor, since the turbo motor was offered in that year, and all the emissions crap is on it (air injection and egr i believe, as well as cats) it should be fine. worse comes to worse, if he notices its the turbo'd engine, he sends you to a ref. |
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06-20-2008, 05:17 PM | #58 |
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techn9ne, you're the man. I'll try to get the S13 ref'd instead of just selling it/paying the fine.
So on my g/f's car, should I just reset the CEL and try to smog it first, before buying a new cat? Maybe the 100k mile cat can still pass? Most places are still "pass or you don't pay" right?
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06-21-2008, 10:26 AM | #59 | |
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06-21-2008, 10:38 AM | #60 |
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techn9ne
240 coupe 93 still throws code 32 egr after i changed egr valve,egr bpt,egr canister valve solenoid,egr metal tube,as well as changing all vac lines behind ka near fire wall. noticed that it will turn on during constant speed ie only on freeway where im in 5th gear 3500 rpms at 60mph or so then itll turn on..sometimes it will suddenly turn off but sometimes stays on til i reset ecu any ideas what it might be i passed slow speed with timing set @ 31 i know out of spec but failed high speed runnning rich could that be tha problem? |
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