My original thread is located here.

Car information:

I was wondering how to get it to run properly without the CEL codes.

It's been suggested that I need an OBD2a 96-98 P2P ECU.

Suggestions for fixing the many CEL codes?

 

Bump...this is the thread we will be using from now on instead of other thread

 

As discussed in your other thread, you need the correct P2P ECU for your set up.

It's also worth trying to figure out why so many CEL codes are thrown. Codes 14, 65, and 70 may have an explanation, but the cause of the other codes is still unclear.

 

Will be getting new ECU Thursday well atleast ordering it. Is ECU just plug and play?

 

Should be.

 

You'll still need to address both O2's.

I had a reply going as the other thread got locked.

The four pin plug you listed wire colors for is for the secondary O2. It mounts after the cat. in the bung before the three bolt flange. Whether you get a code is going to depend on whether it's actually a cat or not.

You need to find the plug for the primary O2. Look for a 5 pin plug (if this is still the HX harness) on top of the transmission and under the distributor (general area).

The P2P is going to look for a 4 wire O2. You'll need to convert from 5 to 4 wire.

 

ok so do i need to move current O2 to secondary slot?

And buy a new one and wire to primary slot aft i find 5 pin plug?

but i could not find the 5 pin plug

 

^Actually, this is for the primary O2 sensor of the D16Y5/CVT. It has a 4-wire primary O2 sensor.

The secondary O2 sensor 4P plug has Wht/Red, Grn/Blk, Blk/Yel, and Blk/Wht wires.

 

Good catch. I didn't see that when I looked at the diagram.

But...that's based on the ecu he has. Was a chasis vin provided to confirm the original configuration?

 

Yes it was

 

And I also have assumed to this point that the car has its original HX/CVT engine harness.

Code 1 - It's possible that the primary O2 sensor is bad, though the Wht and Grn/Blk wires should first be checked for an open or short.

Code 65 - But Josh should still be searching for the secondary O2 sensor plug or the cut wires. He'll need those when he gets the P2P ECU.

Code 3 - Josh can also check whether the MAP sensor plug has 5 reference volts at 2 wires from the ECU and also has good ground.

Code 10 - Try cleaning the IAT sensor.

 

There should also be another loose plug in roughly the same area but a little further toward the firewall. EGR. Haven't seen that pop up.

Kinda thinking out loud but is it possible this is an EX harness. Would explain those two missing plugs. Secondary O2 would be part of the floor harness explaining the missing plugs.

OP, did you buy the car like this?

 

In his first thread, he posted a picture of the EGR lift sensor (3P connector), though the wire colors in the connector could not be seen. In addition, no EGR code is thrown, despite having an HX ECU.

I haven't yet seen the EGR solenoid valve (2P connector).

 

If I remember correct what was called the EGR in the previous post was actually the purge solenoid.

 

Clear pictures of wire colors in sensor connectors would really speed things along.

 

Yes this is how i bought the car

 

^Wire colors fit with EVAP purge control solenoid valve.

Any EGR components?

 

I have no idea where do i begin to look?

 

What is the #7 hose connecting too

and is this it

 

Could it be my water pump or thermostat?

 

#7 is just hose clamps in the first diagram, right?

Your picture shows the coolant valve for the heater. As its hose is disconnected, the heater can't work.

 

ok well my ac was taken out so that would explain that

 

can i use brake cleaner to clean sensors?

 

A/C is separate from the heater, unless you mean the cabin climate control and blower unit.

 

Yep