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Author: Subject: "How to" OEM Focus ST170 ecu with Pats info.
big_wasa

posted on 8/9/18 at 10:38 AM Reply With Quote
Is the tacho adjustable for cylinder count ? Due to the wasted spark system of the Ford you have to adjust the cylinder count to compensate.

Pre CAN ecus had a dedicated tacho out put that I used, but for my new install I am looking at a full can dash with all data coming from the Ecu.

So having swerved your question, you will have to try it and see as I havnt done it. But please let us know in case I change my mind and go the Etb telemetrix again as I did love the classic look.

Cheers

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Pigsy

posted on 8/9/18 at 09:42 PM Reply With Quote
Not adjustable for cylinder count. There are devices out there to do it as well as circuit diagrams to make one, all driven by the coil. watch this space.
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Pigsy

posted on 8/9/18 at 09:49 PM Reply With Quote
https://www.ebay.co.uk/itm/UNIVERSAL-TACH-ADAPTER-CONVERTER-COP-1-2-3-4-5-6-8-10-cyl-to-any-4-6-8-Tach-/141979625888
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Pigsy

posted on 8/9/18 at 09:50 PM Reply With Quote
https://www.petervis.com/electronics%20guides/frequency%20multiplier%202/5v%20to%2012v%20conversion.html
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Pigsy

posted on 14/9/18 at 04:32 PM Reply With Quote
Rough running st170

Hi. My build starts easily BUT runs very poorly and backfires. I have traced all the wires and see no mistakes. Obd2 reader tells me that the o2 sensors have a fault. They are brand new and the wiring is correct. It says the same for the maf sensor. It is also brand new. I noticed that the earth had become dislodged and so reconnected it. It then would not start. I had to disconnect it again. Is there a trick method for doing away with it? It was idling way too fast but is ok now. When I open the Suzuki gsxr750 throttle itbs it wants to stall. Has anyone any suggestions to overcome these problems.

Im close to removing the itbs and refitting the standard inlet system with its sensors etc as this is proving to be very difficult to do not to mention time consuming. I would rather not as they add horses and sound great. Has anyone seen a blog on an st170 with bike carbs and original ecm/ecu please?

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big_wasa

posted on 14/9/18 at 04:43 PM Reply With Quote
They wont add any horses due to the mapping.

Multi sensor failure will be a power or earth fault.

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Pigsy

posted on 14/9/18 at 09:39 PM Reply With Quote
Thanks again.
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