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#1 |
Stock
Join Date: Dec 2010
Location: murrieta,ca
Posts: 17
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the motor came from my other supra that was totaled but it was the same year. how do i test my egr and is it possible to remove it with the engine still in the car
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#2 |
![]() Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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Oh.... just noticed you're in Cali.... you'll have 2 oxygen sensors, 2 cats, 2 EGR VSVs and an EGR temp sensor to inspect on top of the AFM and EGR valve. First and foremost make sure the plumbing from the valve to the intake is clean then check for error codes in the ECU.
http://www.cygnusx1.net/Supra/Librar...Section=EX&P=2 Check: Dashpot, EGR, http://www.cygnusx1.net/Supra/Librar....aspx?S=EC&P=1 Check air flow meter, EGR gas temp sensor, oxygen sensor and sub-oxygen sensor: http://www.cygnusx1.net/Supra/Librar...ction=FI&P=118 Yes, you can remove most of the EGR components with the engine still in th car; The cooler plate is a MAJOR pain though and unless it's leaking it probably doesn't need to be removed. Just test it as shown above and clean out the plumbing for it. It's not the cause of high HC; It's the cause for most high NOx numbers (which you also failed on). This covers all the likely suspects. Is there much oil coming through your PCV system into the intake?
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#3 |
Stock
Join Date: Dec 2010
Location: murrieta,ca
Posts: 17
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ur way off i dont have 2 of none of that, my supra is an 87 7mge thus im pre obd2, i have one cat, one o2 sensor, as well as one egr. but yea do you think my cat needs to be replace. as well as me actually changing my rotor and distributor cap.
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#4 |
![]() Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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No, I'm not way off.... it's SUPPOSED to have all of that if it was sold in the California market. It has nothing to do with CANN, OBD, OBDII, etc.
A new cat probably wouldn't hurt, I'm surprised you haven't been referred to a ref yet... but I don't remember how it all works there... just that's it's worse than here. Test for faults in the current hardware before you start just blindly throwing money at it. If the rotor and points show significant deterioration you should replace them anyway if not though then forget it. I pointed you where to find the diagnostic info you need to use, it's up to you to do so... I'm out.
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If something breaks or you need to contact a member of the administration please post HERE. Unless it's a private or administration matter please post it on the forum. It benefits no one else if car related questions aren't posted for future users and takes away from the time I'm able to spend helping on the rest of the forum. If you're so inclined I'm always more than happy to accept tips via PayPal. ![]() Tip Jar ---> ![]() |
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#5 |
Stock
Join Date: Dec 2010
Location: murrieta,ca
Posts: 17
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my supra isnt a california vehicle. so what else can i check and do
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#6 |
Stock
Join Date: Dec 2010
Location: murrieta,ca
Posts: 17
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are the emission standards differnt for a california vs federal vehicle?
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#7 |
Super Moderator
Join Date: May 2007
Location: Billings, Montana
Posts: 1,034
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They're designed for different markets, and the emission components on that vehicle reflect their intended market. IIRC, California requires all vehicles licensed in the state to conform to CA emissions. So your federal emissions Supra has to pass within the same levels of CA emissions Supras.
I read somewhere on the CA DMV website that they don't suggest importing a federal emission vehicle into the state because the cost of converting it would not be worth it. I believe that statement holds more truth to newer vehicles though.
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1989 7MGTE R154 Targa Top White Package w/Blue Interior Driftmotion 57trim CT26, Upgraded Intercooler, 2.25" Hard Pipes, 3" Turbo Back Exhaust with Test Pipe, HKS VPC w/GM 3 bar MAP sensor, APEXi S-AFC, Walbro 255lph fuel pump, ProSport EVO Series Boost / Fuel Pressure / AFR gauges, Lotek a Pillar Gauge Pod, HKS Type 0 Turbo Timer, Eibach Lowering Springs, Tokico Illumina II TEMS struts, custom powder coated Motegi Racing TrakLite wheels |
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