Hey guys,
I bought a pettit ecu and installed it in my fd.. Its theorwing a cel...
Is the 94 ecu not compatable with a 93 FD ??

TIA
Jonathan

 

code is egr switch open or short....

Anyone??

 

I called Pettit, and they said a 94 is not compatible in the 93. I have heard it shouldnt be a problem though, so hopefully its something else.

 

anyone else ???

 

Dug up this old thread:

https://www.rx7club.com/forum/showth...threadid=36337

 

I have a G-Force ECU from a 94 in my 93 and have had zero problems. The 94 ECU is a cali in my no-cali no less, and still no problems. Maybe your EGR is really stuck, have you checked it?

 

If you use a Cali ECU to your non-Cali car, you will get a error code because the Cali car has a sensor on the EGR valve and the Cali-ECU is programmed to detect that. Since your non-cali car's EGR valve does not have a sensor, the ECU will think it's broken. If you put a non-cali ECU to a Cali car, you are ok. All 93-95 are the same. Pettit is wrong.

Chuck Huang

 

Jonathon,

I haev 2 ecus, one 94 std non-cali, an done 93 std non-cali.
let me know if you want one, or if you want to do tests.

 

What's the part number on your ECU? You can tell if it's a cali ecu by the part number. Go look at your EGR valve. If it has a blue connector attached to it, then it's a cali car, if not, it's a federal car. I think your car shouldn't be a Cali car. The ECU you have should be a Cali ECU and the part number should be N3A3.

Chuck

 

Ca. cars have a position sensor on the EGR in '94. I got a '95 ECU and up-dated to Pettit reprograming. The '95 ECU will fit any car, '95 cars have no EGR and you can disable smog.

BTW: I should sell it, Going TO4e single.

Later, Jeff

 

My code is N3A3 and i am not sure what its from...

Does that help any ??

My car is federal.. not CA!

 

That just explains why you got a error code as I have explained in my posts. The ECU is a cali ecu and your car is federal. Try to get a N3A1 ECU then the light will not come on.

Chuck

 

but you said it wouldnt be a problem!!!

 

no who said it wouldn't be a problem...

The cali ecu is checking for the egr..which you car..being federal does not have...thus the error..

simple really

 

maybe it would be a good idea to take the pettit chipset out and solder it to your stock ecu. just an idea, i think that would work. good luck.

 

Yeah.. I think im going to do that if I cant help Jeremy out...

 

oh i forgot to add.. Pettit said that would work.... YAY!

BTW. i still moked a v8 stang with the car in limp mode I LOVE IT

 

Did I ever say that? I said all the 93-95 ECU are the same but there two versions, cali and non cali. Can you read my posts carefully and don't misquote? What's up with your attitude? You sound like I sold you the ECU and said it would work.

Chuck Huang

 

Sorry man... I just really want that damn light off! The car runs great with it though!