I have posted EVAP code avoidance questions several times, and although several kind people tried gallantly to help me, no one seemed to have an answer to how the EVAP CEL codes could be avoided for a situation such as mine in which one is using the original AP1 ECU in a vehicle that does not have a fully functional S2K EVAP system. The topic is apparently quite complicated because the Honda EVAP enhanced monitoring algorithm is very complex and very difficult to fool. I am happy to be able to tell all those who may be interested in an EVAP CEL avoidance strategy that Izze-Engineering has developed an EVAP Simulator kit for 2000-2005 US and Canadian market cars. The kit includes a clever circuit board that spoofs the ECU into believing it is monitoring a fully functional EVAP system. I have an AP1 engine transplanted into a 1966 MGB. The engine is managed by the original ECU. I had previously found solutions for all the missing sensor inputs (immobilizer, secondary O2, air injection system, and electrical load detection) but I was flummoxed by the EVAP code avoidance issue. The Izze-Engineering EVAP simulator solves the problem and allows me to have a fully functional MIL lamp (that is not perpetually illuminated) and normal OBD II diagnostics that are not littered with extraneous EVAP codes. I am betting that there are some other S2K guys out there who will likewise be very happy that this solution is now offered. You can read about the EVAP simulator on the Izze-Engineering website. Caleb Holloway is obviously a genius!

Morrisguy

 

This is perfect. Now that whole hunk of garbage can come out! I've been waiting for a while for one of these. I'm so glad Izze exists.

 

To the maker of the device: be very careful. The devices have no purpose other than defeating an emission control device, and if the EPA devices to investigate under the clear air act, things will not be fun for you.

Reference Casper Electronics
http://www2.epa.gov/enforcement/casp...-clean-air-act
http://www2.epa.gov/sites/production.../casper-cd.pdf

 

Just like a test pipe with a cel fix or running a aftermarket ecu, it's up to the owner to obey their laws

There are still places that only require a tail sniffer to validate if they are breaking any emissions or not (this is the real way to do it)

I have your air pump deletion and Izzy is a great asset to the s2000 community.

If/when I drop a f20/22 into a caterham, I'll probably be using this

 

No, it is different than a device which has a legitimate use. Under the clean air act it is a 'defeat device' and against federal law to manufacture and sell.
The owner's actions fall under 'tempering'.

 

"Not for road use".

 

Ooooh nice find! Time for more weight reduction!

 

Correct me if I'm wrong but if he is running the engine on a 1966 MGB he doesn't need to worry about modern emission controls. Only emission controls relative to a 1966 MGB

 

Thank you, and you are indeed very correct. Applying the IZZE EVAP Sim to the ECM in my 1966 automobile is absolutely legal and the S2000 lump without Cat, without EVAP and without Air Pump will still run far cleaner than the original 1966 MG engine ever did on its very best day. Assuming that the EVAP Sim will most likely be used for nefarious purposes is akin the the story I heard about a female NPR reporter interviewing a Marine who was running a summer camp for boys ages 11-13. When she stumbled across the information that the boys were receiving firearms safety training, she indignantly retorted something to that effect that by teaching these boys to use firearms, the camp was equipping these boys to be killers. The Marine replied, "You are equipped to be a prostitute...but you are not one, are you?"

The only emissions control applied to the 1966 was Positive Crankcase Ventilation. I have that requirement well covered.
Thanks,
Morrisguy