eltexmexalex

Alright. The car was swapped, more than likely from a 92-95 civic. Possibly even the head was swapped. But just to clarify things this pipe was catless. And no the cat was not moved to the back, i took it to a muffler shop so they can put a universal cat and before i did that what i did notice is that the pipe looked like if it was ex si civic catalytic converter(the bolt on at the bottom) and they put a new pipe instead. Why did i adapt a catalytic converter? Because i was blaming it for wasting too much gas and the muffler was too loud on a skunk2 muffler. Believe it or not i was told to blame the motor not the cat and its probably one of the sensors that was causing these problems. Well, i put some new fuses on the car and the d4 started blinking and the muffler did not sound loud anymore. I don't know what i did but it worked.

94EG8

It's an OBD2 block.

It's out of a JDM '96 - '00 Civic. The head is the correct head for the engine (Y7s and OBD2 ZCs used the same head) Chances are it's the original head.

tony_2018

Yup....They actually did make a y7 with a y8 intake manifold. I've seen it for sale on ebay before.

eltexmexalex

Ok i know this is new, but i have just swapped the motor to a y7 and i have these error codes with d4 blinking.
P0113
Intake air temperature sensor
P1298
Electric load detector circuit high voltage
P0135
02 SENSOR HEATER circuit bank 1 sensor 1
P0141
02 sensor heater circuit bank 1 sensor 2
P1753
Problem in torque converter clutch solenoid valve circuit

I erased the codes and ran it again and these codes still appear since the zc motor. I have a feeling its a bad connection. But i don't know how. Anybody know what's going on? The zc motor did not have d4 blinking but this motor does. I changed the solenoids 4 times and its still the same and the oxygen sensor. Probably a fuse or faulty ecu?

tony_2018

Why did you swap the motor?

edit: Right.....so there was a hole in the block. Did you reconnect everything the way you saw it? How did you replace the engine, in details.