Do honda esi 96 model have a ecu ? - 1992 Honda Civic

if all the connections are the same , then it may work if you use a scan tool to reset the newly fitted ECM

96's are kinda the bad year for our cars being the only obd2 4th gen preludes so for any codes over 43 you have to look it up in the '97-'01 manual. Code 65 is "Secondary Heated Oxygen Sensor Heater Circuit Malfunction (Sensor 2)". Probable causes are an open in the secondary O2 sensor heater circuit or bad ECU. Have you tried resetting the ECU to see if it comes back? If so, you could check for loose wires coming from the secondary O2 sensor in the cat converter going to the 4 pin connector, or if you have access to another ECU I would try to substitute a known good ECU to see if that clears it up. The troubleshooting flowchart is on page 11-79 in the '97-'01 helms manual, and involves checking resistances and for continuity.

I think this could be the code I had on my '96 when I bought it. I tried replacing the secondary O2 sensor, and long story short it was the ECU. Luckily my '96 was still under the extended emmissions warranty, so Honda replaced it for free. I don't think you would be covered under the extended warranty because it was 14 years and under 150k miles. I just barely made it (within a month or 2 and 3k miles) last year.

As far as the engine sounds and rough idle, you could just need a valve adjustment. The secondary O2 sensor just checks the cat to make sure it's working right.

And all auto trans want to move forward when the brake is released.

Do you know the motor that was in there before and do you have the y8 ecu?

If the fuses are ok, then I suggest check motor fan wires and harnesses connections or motor fan itself.

1. replace your spark plugs
2. are your still running on carburetor? if yes, have it cleaned and check if the air/fuel ratio is correct.

what circuit exactly do you need? there are like a hundred diagrams lol ;P

Between the battery and the fuse box under the hood.

There are a number of control units in the 92 Civic. If you mean the PGM-FI, ECU (engine control unit), it is behind the passenger side kick panel.

i've found on hondas when the there is a no start problem when the engine spins over fine. when the plugs wear out the cylinders get washed down with gas and it sounds like it has no compression. if this is what its doing put a little bit of oil in each cylinder not too much though then put new plugs iin it, however if there is no spark at the plugs it's probably the distrubutor

have tranny rebuilt