I have a car that was given to me. The rear seal was leaking and timing belt needed replacement. I decided to pull engine since I had all 4 cylinders with misfire codes. I replaced everything that would cause a misfire. When pulling engine out I found that the air temp sensor was shorted out ( both wires twisted together) Don't think that would cause misfires?

I have the engine out and found that my 1997 honda accord lx 2.2 has no crankshaft sensor on oil pump. I'm trying to figure out what to do or leave as is and just rebuild engine and put engine back in.

To check the previous work what should I do to make sure it is correct. I have obd 2 year with a obd 1 distributor with a obd 1 oil pump. I would like to put the engine back the way it should be but not sure if it is a waste of time. The car ran great but with misfire codes and emissions every year it would be impossible to pass emissions.

Any help would be appreciated.

 

it must be using an obd1 ecu, i would just put it back to stock with a stock oil pump and crank sensor, original dizzy, remove the conversion harness, source the stock obd2 ecu

 

I went to pull a part looking for harness and from what i have seen most are cut but I will keep looking. When I do find a harness I should pull computers too or use the computers I have?

 

OBDII PCM and OBDI ECM are different. You will need to use a given computer with the appropriate harness.
If your car was originally OBDII it will need to pass those regulations. If you live in CA they will check for the OBDII test connector behind the ashtray.

 

The weird thing is that there is a obd 2 connector and it was working and passed emissions barely before the light came back on a few miles later. This was last year but check engine light when cleared now comes back on withing a mile or 2.

 

If the OBDII connector works then you have an OBDII system in the car.
What most likely happened is if the engine was replaced with a 94/95 unit, the mechanico may have just rewired the OBDII harness to the OBDI distributor.
Sensors are electrically the same between OBDI and OBDII, just location differes from three in the distributor and none on the crank in OBDI to one sensor in the distributor and two on the crank nose for OBDII.

Fix the air temp sensor wiring and connector. If no other codes are present the car will be fine, just make sure your base timing is set to the red mark on the crank pulley.

 

check to see exactly which ecu it's running

 

I pulled the ECU this morning the computer is for a 96-97 37820-p0j-l61 / 875-312320.

I can't see where anyone replaced any wiring all tabs / tape / quick ties are original even on engine wire harness.

 

Pulled computer out this morning and ecu is for a 1996 -1997 obd2

 

should only need to get the obd2 dizzy and oil pump then

 

When, I ordered a new dizzy for my year make and model the dizzy did not match up and that's when I realized something was wrong.The only issue is that the distributor has 2 plugs which is obd1 and obd 2 should only have 1 connector. Not sure where to go from here?

 

wire harness has no plug for for crank sensor that would go to oil pump obd 2

 

contact rywire and see if they got an adapter kit but are you sure theres no connector for the crank sensor assembly to plug into ? im thinking even without the crank sensor assembly it might still have the connector where it plugs into, or the harness was swapped out altogether

 

I went to pull a part with my wire harness and found a wire harness that had the crank sensor wire connector but the transmission connectors did not match.

 

the tranny might not be stock
you might need to use some red 3m heatshrink butt connectors and swap over your existing, you can get some from Walmart

 

I was told that the transmission was replaced when the engine was done. They really screwed the engine electrical system up!

 

Pictures would really be helpful.