Sensitive sensors & engine starting issues

[wemtd]

I Hope someone can offer some sage advice..

 

Setup: birkin with a stock 2.0L duragec engine (2007) with a haltech sport 1000. I replaced this engine with another stock duratec engine (2008 focus). As far as i know/can tell the only difference is the replacement engine loom had a hall effect cam position sensor whereas my first engine had a reluctor camshaft sensor (both the same size). Everything else is the same.

Since the wiring loom for my haltech ecu is setup for the reluctor type sensor (and i've been lead to believe they should be functionally interchangeable) i have been trying to use the reluctor-type sensor for this application.

 

The Rub: when i start the engine it runs roughly and the "home/miss counter" when connected to a computer for diagnostics is a constantly rising number as the home signal is not being read correctly.

 

- should i change out my pigtail to use the hall-effect sensor to solve this problem? I have already tried increasing the sensor filter level to no avail and was hoping to avoid changing the wiring connector to use the hall effect sensor

 

Does anyone have other ideas? pull my hair out? re-wire the whole car? get a flinstone mobile with suavee?

 

cheers

P.

[speedwagon]

Try the haltech web site or google haltech, have a haltech on a rorary and have found the rx7club.com to be a wealth of information. Am sure that there is a focus web site similar.

[Kitcat]

My Duratec powered Birkin would not run smoothly, or with out cutting out, misfiring, etc., unless on extremely light throttle, until FULLY warmed up. I took it to a tech who said the ECU that came from Bikin had a very inadequate program for warm-ups. I assume it was the Haltech system you have? Maybe let it idle for 10 minutes and see if it then makes smooth power?

[xcarguy]

. . . . . Setup: birkin with a stock 2.0L duragec engine (2007) with a haltech sport 1000. I replaced this engine with another stock duratec engine (2008 focus). As far as i know/can tell the only difference is the replacement engine loom had a hall effect cam position sensor whereas my first engine had a reluctor camshaft sensor (both the same size).

 

 

P,

 

I had a similar situation a few years ago with an engine change (Duratec) in a Birkin I owned. Per Haltech, some wiring had to be changed in order to accommodate the 'change' in cam position sensing. To echo the advice of speedwagon, I'd contact Haltech. :cheers:

[wemtd]

thanks. I've already spoken with them earlier in the week. My tuner things the change between reluctor/hall effect sensors is the likely culprit. Apparently ford changed from a reluctor to hall effect in the 2007 vs 2008 duratec engines.

Right now my quandary is identifying which terminals in the sensor/pigtail wires are ground/signal/+ switched so i can connect it to my ECU loom...

[wemtd]

Update (for the next person with this issue):

Switching from reluctor to hall effect sensor had no effect on the issue.

more digging and consultation with boffins revealed ford changed from a one tab to 6 tab camshaft in 2008. Subsequently the working theory is that putting the 1 tab camshaft back into the engine will hopefully resolve this situation.

 

-Fingers crossed for this week.

Edited May 3, 2015 by wemtd

[dallasdude]

You may be able to change it in the Haltec software....which would be easier than changing the camshaft I would think.

 

Under the Haltec software, under setup/basic/trigger...there may be a trigger and home setting that matches what you need. The camshaft is giving the home signal.....your main trigger setup should be the same....just home setup number of trigger teeth needs to be changed.

[Zona]

You can see the correct fixing image upward here, just make sure you fix the same way. It will solve your problem very easily.

[wemtd]

Update:

For unknown reasons software adjustments with the haltech don't work here.

changing from the 6-tab camshaft back to the 1 tab camshaft has solved the problem. duratec's built after 2008 have the 6-tab...