Hondata

You can run both sensors, but it is cleaner and simpler to just run the wideband. As Spunkster recommended, run the wideband sensor signal into D10 and cut out resistors R136 and R138 from the ECU. It's very simple to do. I think you're a little confused about how open loop and closed loop work. The...

Good to know. I've been eyeing the MXS 1.2 Strada.

Have you verified that the starter signal wire didn't accidentally come loose from the starter? Try a new battery or try jumping the car with another car - will it crank then? Pull the alternator off and have it tested at an auto parts store - this is a free test. Do the dash lights and other access...

You could try cutting J1 to revert the ECU back to stock map. If you have aftermarket MAP and injectors, you will need to revert those back to stock also. Then try cranking the car and see if it responds to throttle input. Have you verified the voltages at the sensor plug? Make sure you're getting g...

I would recommend using switched power from the fuse box under the dash, and the ground on the thermostat housing. This is how I wired mine. I'm actually running a 12V 6-circuit sub-panel that is powered on by a relay when the key is turned on. One of the circuits on the sub-panel powers the wideba...

Could be that I misunderstand too, as I am not running closed loop. Here is the thread where I was talking to Spunkster about it last year:

viewtopic.php?f=19&t=22358

We are dealing with 25-30 year old computers here, my man. Electrolytic capacitors have a finite life and when they go bad they can take out other components on the board. I'm not an electrical engineer, but other parts of the ECU may deteriorate over time as well. Not to mention the wiring in our c...

It may be the ECU then, especially if it was acting up before the S300. I would recommend you at least borrow another ECU you can try the S300 in and see if that fixes it. You should be able to get another ECU for about $100, then have it socketed and have the capacitors replaced for another $100. I...

I was under that assumption too when I installed mine, but the S300 can handle closed loop control with a wideband input. I initially had the PLX narrowband output wired into D14 (O2) and the wideband output going into AN1 on the S300. It wasn't running right and Spunkster told me how to hook it up ...

Yes, that is the wideband I'm using, but I got the package that came with the gauge as well. You will need the sensor and module that comes from PLX. Since you're running an S300, you won't use the narrowband output - that would only be used if you were using a stock ECU. With the S300, you should d...

Martin_CRX wrote: ↑

Sun May 10, 2020 6:51 am

Thanks for the help, now the engine is running perfect!!!

Excellent! Glad to hear it.

Even though this looks like a resistor, it is simply a jumper. A single black strip means 0 ohm, or no resistance, which is the same as using a wire. Either will work. When you reinstall the S300, make sure that all the pins are lined up with the socket, and you aren't installing it one row of pins ...

I had a similar issue and it ended up being my MAP sensor. Verify that with key on, car not running that your MAP is showing close to 0"/psi in SManager. Mine was showing 24" vacuum when it should have been showing 0" and it was doing exactly like you described. I replaced the sensor and everything ...

So today i built in my new TPS Sensor. Now the TPS reading is 4,66% and 99,8%. The engine is running quiet good, I also can rev the rpm to 2500 at zero speed. But the 4,66% are stil a problem and I have an oportunity wy this is so. I have a under presure cylinder at my throttle body, which keeps th...

Yep, I like to grab it by the white plastic standoffs and pull up from there. It slides straight off the pins.