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Inital idle set up zetec
June 15, 2018
5:39 pm
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WRSE
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Hi Simon,

I am currently trying to set up the idle on my 2.0l zetec with standard injectors, fuel rail and pressure regulator, GBS plenum, no Lambda sensor or IACV. Using a adjustment screw on the throttle butterfly. I have manged to get the engine running but the tick over is still a bit rough and pick up is a bit jumpy in addition when the throttle is operated the rpm somtimes stays at about 2000 rpm and not dropping back to the 980 mark unless the injector trim is adjusted. From a previous post you have up loaded a link to a set up procedure (this was back in 2015) - i am unable to accces the link.
Please could you re post the link to the set up procedure and I can check my set up.

Thanks

June 15, 2018
6:12 pm
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Simon, I am also using the GBS power map for the set.

June 18, 2018
1:28 pm
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Simon
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sorry for the delay in a reply, weekend from hell, so never got onto the computer.

at work now will send from home tonight

June 18, 2018
4:54 pm
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Thanks Simon if it is easier you can e-mail it to me at [email protected]

June 18, 2018
10:29 pm
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Simon
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Try this

https://www.dropbox.com/s/ge6fkzwz4cwwyw0/Plenum%20calibration.pdf?dl=0

any problems, post.

If you have problems, I have been able to set them up over the net, but you will have to have internet at the car.

June 19, 2018
7:48 am
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Got it now Thanks Simon - will have a go tonight.

June 24, 2018
4:05 pm
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Hi Simon, managed to have a go yesterday and after going back to the original power map and going through the steps the engine is idling much better and when throttle applied and lifted off it returns to idle as it should.
Thanks for the help.

June 24, 2018
4:43 pm
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Simon
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pleased to here that.

was it straight forward, easy, difficult?

was there anything in the procedure that could have been clearer? could you have benefited with more or less technical?

feed back apreciated

June 25, 2018
7:39 pm
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Hi Simon,

I found the instructions fairly easy to follow ( I am an engineer so meant to follow instruction!) I had previously tried and had worked out how to access the maps up load them and adjust the fuelling and air flow etc. The bit I found most useful in the instruction, was that the idea is to adjust the throttle stop screw (the butterfly valve position adjustment) to allow sufficient air that enabled tick-over of about 900 to 950rpm, with the injector trim set to zero relative to the map, also keeping the TPS (throttle position sensor) re calibrated after every throttle stop adjustment.

I think the instructions are pitched at about the correct level technically.

The only comment I would add is possible some addition instructions at the start on how to connect up a laptop to the ECU and the up loading of the files would be useful.

I haven't got there yet but reading various comments on the boards, Possible an additional set of instruction for trimming the tick over and the high tick over for the MOT may be useful, giving the typical what targets trying to be reached.

Hope this is use full.

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