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You may try to test both ecu to a same model car/engine and see if it works so you could isolate the problem with it.

I thought several times trading my honda to a corolla bacause toyota is known...

You already have a known good ecu then why don't you just plug it to ecu harness and check if there will be approximately 5V on MAP sensor pin?

Or just start the engine.

Having a solid CEL is...

Yeah true.

Read first the FAQ in the 1st page before start questioning.

I think its easy to understand. I too did not know anything about auto electricals until my car went bad and will not...

hello txgreasemonkey,

sorr for not being convinced but I looked for a same model car and we switched our P27 ECM, his ECM just worked fine with me, my ECM was really bad. For the moment I will...

Good day txgreasemonkey,

I have the same problem as civicdx92.

I only get more or less 2V on D19 and D21 of the ECM(tested that while the ECM was unbolted from the body of the car, I don't know...

May I ask,
I checked for the voltage in D19 and D21 of my ECM and I get only more or less 2V and sometimes 3V, but before I did that I removed first the ECM from the body of the car, I mean I...

Good day
I have the same problem with my PH16 engine non vtec, I think it's the same with D16A6.
By the way I am from the Philippines.
Same symptoms as txgreasemonkey had stated,
I checked pin...