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> 1976 Is it a 49 state or Cali car?
gnomefabtech
post Mar 13 2023, 06:25 PM
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Car came from Nevada but I can't tell if it was originally a California car. It still has injection but doesn't have a cat or smog pump. Doesn't look like it ever had either but I'm wondering since I'm going to try and register it here in California. Thanks in advance!!

Here is the Vin:

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L-Jet914
post Mar 19 2023, 09:24 PM
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The secondary air injection pump was added to help introduce O2 into the exhaust upstream of the catalytic converter to help it light off quicker and as stated help the catalytic converter start oxidizing the HC and CO being produced by the engine earlier. The Toyota Tacomas with the 2TR-FE and 1GR-FE engines still have secondary air injection pumps and diverter valves to this day. Grant it the 1GR 4.0L was phased out on the Tacomas which is now a 2GR-FKS 3.5L no EGR valve/EGR cooler or secondary air injection system. The current 4 cylinder Tacomas still utilize it. The 2UZ-FE 3UR-FE/FBE engines also utilized the system. All in the name of emissions control and getting the catalytic converters to light off earlier. It seems manufacturers have either decided to add them or remove them over the years depending. Hell even today the new Toyota A25A-FKS/FXS and M20A-FKS/FXS engines now have EGR valves and EGR coolers tacked back on to lower combustion temperatures again. Toyota used to use there VVT systems as EGR holding the exhaust valve open longer which acted like EGR. I guess it's not enough anymore haha.
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wonkipop
post Mar 20 2023, 03:20 AM
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QUOTE(L-Jet914 @ Mar 19 2023, 09:24 PM) *

The secondary air injection pump was added to help introduce O2 into the exhaust upstream of the catalytic converter to help it light off quicker and as stated help the catalytic converter start oxidizing the HC and CO being produced by the engine earlier. The Toyota Tacomas with the 2TR-FE and 1GR-FE engines still have secondary air injection pumps and diverter valves to this day. Grant it the 1GR 4.0L was phased out on the Tacomas which is now a 2GR-FKS 3.5L no EGR valve/EGR cooler or secondary air injection system. The current 4 cylinder Tacomas still utilize it. The 2UZ-FE 3UR-FE/FBE engines also utilized the system. All in the name of emissions control and getting the catalytic converters to light off earlier. It seems manufacturers have either decided to add them or remove them over the years depending. Hell even today the new Toyota A25A-FKS/FXS and M20A-FKS/FXS engines now have EGR valves and EGR coolers tacked back on to lower combustion temperatures again. Toyota used to use there VVT systems as EGR holding the exhaust valve open longer which acted like EGR. I guess it's not enough anymore haha.


you are a little smog genius just hiding away there laughing at us all!
but for sure mate, your insight solved the mystery of the old L jets.

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gnomefabtech   1976 Is it a 49 state or Cali car?   Mar 13 2023, 06:25 PM
JeffBowlsby   All 75s and 76s should have a smog pump and air in...   Mar 13 2023, 06:43 PM
rgalla9146   A 1976 California car will have a EGR lamp on the ...   Mar 13 2023, 07:24 PM
Type 47   A 1976 California car will have a EGR lamp on the...   Mar 14 2023, 06:10 PM
gnomefabtech   Thanks. I'll be able to look at the car more ...   Mar 13 2023, 08:27 PM
L-Jet914   You can also check the VECI label (vehicle emissio...   Mar 13 2023, 08:29 PM
Chris914n6   Writing myself a note to look at my vin sticker fo...   Mar 14 2023, 08:34 PM
wonkipop   is that true that only california cars had cats in...   Mar 14 2023, 08:50 PM
JeffBowlsby   All 75-76 CA-model 914s required cats. https://bo...   Mar 14 2023, 09:09 PM
wonkipop   All 75-76 CA-model 914s required cats. https://b...   Mar 14 2023, 10:02 PM
JeffBowlsby   Got proof or is that speculation? We’ve heard th...   Mar 14 2023, 10:18 PM
wonkipop   Got proof or is that speculation? We’ve heard t...   Mar 15 2023, 12:29 AM
type47fan   Got proof or is that speculation? We’ve heard t...   Mar 15 2023, 12:53 AM
wonkipop   @[url=http://www.914world.com/bbs2/index.php?showu...   Mar 15 2023, 02:20 PM
wonkipop   righteo mr. b @[url=http://www.914world.com/bbs2/...   Mar 15 2023, 04:59 PM
JeffBowlsby   Awesome man. That is a really thorough explanatio...   Mar 15 2023, 07:27 PM
wonkipop   Awesome man. That is a really thorough explanati...   Mar 15 2023, 08:01 PM
wonkipop   Awesome man. That is a really thorough explanati...   Mar 15 2023, 08:15 PM
JeffBowlsby   There must be some other CA law here that overlaps...   Mar 15 2023, 08:58 PM
wonkipop   There must be some other CA law here that overlap...   Mar 15 2023, 09:09 PM
JORACER#40   If you live in CA DO NOT purchase a 76 914 I am go...   Mar 15 2023, 09:21 PM
wonkipop   If you live in CA DO NOT purchase a 76 914 I am g...   Mar 15 2023, 10:07 PM
gnomefabtech   Thanks for all the feedback and information! ...   Mar 15 2023, 09:27 PM
wonkipop   @JeffBowlsby and others unfortunate to own 76 in...   Mar 16 2023, 06:03 PM
gnomefabtech   If you live in CA DO NOT purchase a 76 914 I am g...   Mar 16 2023, 07:24 PM
JORACER#40   [quote name='JORACER#40' post='3065410' date='Mar...   Mar 16 2023, 08:29 PM
wonkipop   [quote name='JORACER#40' post='3065410' date='Ma...   Mar 18 2023, 06:28 PM
gnomefabtech   Well I finally got the car in my possession and it...   Mar 18 2023, 07:28 PM
wonkipop   Well I finally got the car in my possession and i...   Mar 18 2023, 07:46 PM
wonkipop   i'm not sure mr b. @JeffBowlsby has one of t...   Mar 18 2023, 07:51 PM
wonkipop   re vin stickers and manufacturer's plates. @...   Mar 18 2023, 08:07 PM
JeffBowlsby   The 76 plate omission is known but you highlighted...   Mar 18 2023, 08:57 PM
wonkipop   The 76 plate omission is known but you highlighte...   Mar 18 2023, 09:52 PM
L-Jet914   @wonkipop I see you figured out how to navigate t...   Mar 18 2023, 09:00 PM
wonkipop   [b]@[url=http://www.914world.com/bbs2/index.php?s...   Mar 18 2023, 09:28 PM
wonkipop   i've been thinking about this problem for the ...   Mar 18 2023, 09:27 PM
wonkipop   @[url=http://www.914world.com/bbs2/index.php?showu...   Mar 19 2023, 02:23 PM
wonkipop   @[url=http://www.914world.com/bbs2/index.php?showu...   Mar 19 2023, 03:07 PM
JORACER#40   With 914 World I have access to a lot of help and ...   Mar 19 2023, 08:29 PM
Dave_Darling   A bit of recent-ish California smog history: Abou...   Mar 19 2023, 08:12 PM
wonkipop   A bit of recent-ish California smog history: Abo...   Mar 20 2023, 03:08 AM
technicalninja   Wow! Wonki is Sherlock Holmes... I can give a...   Mar 19 2023, 09:00 PM
wonkipop   Wow! Wonki is Sherlock Holmes... I can give ...   Mar 20 2023, 03:27 AM
Chris914n6   The air pump was utilized to add additional oxyge...   Mar 23 2023, 04:38 PM
Dave_Darling   The air pump was added to trucks before cats were ...   Mar 24 2023, 02:40 AM
wonkipop   The air pump was added to trucks before cats were...   Mar 24 2023, 12:54 PM
Chris914n6   68 912 is pre smog mate! Sniffer test starte...   Mar 24 2023, 01:55 PM
wonkipop   68 912 is pre smog mate! Sniffer test start...   Mar 24 2023, 05:59 PM
Dave_Darling   68 912 is pre smog mate! Nope, not at the t...   Mar 25 2023, 03:32 PM
wonkipop   68 912 is pre smog mate! Nope, not at the ...   Mar 25 2023, 04:07 PM
L-Jet914   The secondary air injection pump was added to help...   Mar 19 2023, 09:24 PM
wonkipop   The secondary air injection pump was added to hel...   Mar 20 2023, 03:20 AM
cgnj   This is my anecdotal evidence regarding non-cat MY...   Mar 20 2023, 09:36 AM
technicalninja   All car still have the function of the secondary a...   Mar 20 2023, 09:38 AM
L-Jet914   All car still have the function of the secondary ...   Mar 21 2023, 07:42 PM
wonkipop   @[url=http://www.914world.com/bbs2/index.php?showu...   Mar 22 2023, 05:11 PM
type47fan   [b]@[url=http://www.914world.com/bbs2/index.php?s...   Mar 23 2023, 12:39 PM
gnomefabtech   Good tip. Thanks   Mar 22 2023, 09:17 PM
914werke   Oh but there is more.... There is a specific airbo...   Mar 23 2023, 04:25 PM
wonkipop   Oh but there is more.... There is a specific airb...   Mar 24 2023, 02:27 AM


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