ecu

My speed 6 ecu isn’t sending the ground signal for the coil relay to run the in tank pump. I jumped the 2 big pins and it still keeps the factory functions. With key on engine off it primes for 2 seconds then shuts off. Then when I start cranking it turns on again and runs fine. Why can’t I just...

Hey everybody! New to the forums, and just recently picked up a 2008 MS3. Performed basic maintenance, and overall car is great... except for it won't start after have recently driven it. Each and every time the solution has been to let the car cool off for ~30 minutes, and it fires right back...

I user by the name of Troubled81 has a thread similar to this but has gone silent. I’m not going the same path so I figure I’d post what I’m trying to achieve and where I’m currently at. I’ve owned quite a few speeds but currently just own two speed 6’s. A 06 and 07. I picked up the 06 for 500...

I have an 07 Mazdaspeed3 and while I was driving it just turned off and now it won't turn back on anymore. It keeps flashing the anti theft light on the dash. Can't even connect to odb2 or anything. I have a simple Mazda3 and I tried using that cars ECU on the Mazdaspeed3 and it wont crank at...

I visited my local tuning shop and asked about ECU tuning but they saId that they've tuned lots of MPS3 / 6'es and they warned that some of the cars engine rods have been failed and they didn't recommend any tuning to ECU. They stated that they did get approx 400hp out of the engine before the...

I have 2007 CX-7 2.3, but same engine... The OCV valve is not working. The valve itself tests OK as does a spare I have. If you run 12v to it, it opens correctly. The constant 12V is there at one terminal but I appear to be getting no ground signal from the ECU. I have measured the resistance in...

Hey guys new to the forum. I have a 2006 speed 6 that I’m having a readiness monitor issue with. The car has a short ram intake and turbo inlet pipe. I’m having a problem with the cat 02 and evap monitors not resetting and here in the great state of communist ny it will not pass inspection. I...