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ECU Tuning Chat Discuss performance tuning options for your Ford Focus.
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10-19-2009, 10:51 AM
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March 2013 ROTM
 
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No O2 reading
Ok I have been trying to have Tom remote tune my car, but we have run into a snag. My ecu is not getting a reading from my O2 sensor. I have replaced the sensor, checked the fuse, and checked for power at the plug. I can't find anything wrong.
Anyone have this problem or maybe someone has a diagram of the ecu pin out from an 04? I need to check there and see if its getting a signal. I really need help with this quick. We can't work more on the tune till we know the reading and its affecting my idle.
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FocusXtreme - Hatch Nation #96 04 ZX3 5.0, T5, 4 lug 7.5 w/ 3.73s 12 SE Hatch Sport & Winter Package, ST Front End 91 Ranger XLT 3/4 drop 89 Bronco II XLT Well the body is still stock, what's left of it |
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Focus Fanatic
Fan#: 1
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10-19-2009, 04:47 PM
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March 2013 ROTM
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Anyone? I got a print out from Ford of the pinout, but I am still wondering if anyone else has had a problem like this?
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FocusXtreme - Hatch Nation #96 04 ZX3 5.0, T5, 4 lug 7.5 w/ 3.73s 12 SE Hatch Sport & Winter Package, ST Front End 91 Ranger XLT 3/4 drop 89 Bronco II XLT Well the body is still stock, what's left of it |
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10-20-2009, 12:41 PM
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March 2013 ROTM
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No one has had a problem with stft1 reading?
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FocusXtreme - Hatch Nation #96 04 ZX3 5.0, T5, 4 lug 7.5 w/ 3.73s 12 SE Hatch Sport & Winter Package, ST Front End 91 Ranger XLT 3/4 drop 89 Bronco II XLT Well the body is still stock, what's left of it |
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10-22-2009, 05:33 PM
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Focus Addict
 
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Have you not gotten any CEL's?
Run the stock tune and see what happens...
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Quote:
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10-22-2009, 06:02 PM
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FF Affiliate
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He did go back to stock same thing
Tom
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Focus-Power: Your #1 Source for Ford Focus Speed, Tuning & Performance! Customer Support AIM: hpdyno Email: tom@focus-power.com Phone: 704-249-3745 Site: focus-power.com Elder 1turbofocus |
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10-22-2009, 07:27 PM
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March 2013 ROTM
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Yeah it really weird. And no CELs.
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FocusXtreme - Hatch Nation #96 04 ZX3 5.0, T5, 4 lug 7.5 w/ 3.73s 12 SE Hatch Sport & Winter Package, ST Front End 91 Ranger XLT 3/4 drop 89 Bronco II XLT Well the body is still stock, what's left of it |
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10-22-2009, 07:38 PM
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March 2013 ROTM
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Ok went and scanned again for shits and giggles and it showed 2 codes. P2195 and P2196.
One means O2 stuck lean and the other means O2 stuck rich.
__________________
FocusXtreme - Hatch Nation #96 04 ZX3 5.0, T5, 4 lug 7.5 w/ 3.73s 12 SE Hatch Sport & Winter Package, ST Front End 91 Ranger XLT 3/4 drop 89 Bronco II XLT Well the body is still stock, what's left of it |
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10-22-2009, 08:56 PM
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Focus Enthusiast
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Quote:
you are having an connection problem. If I was you I would replace the cable to the sensor and check the ground.
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"You will be assimilated, resistance is futile" Give a rep when someone is helpful |
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10-22-2009, 08:59 PM
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March 2013 ROTM
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Thats what I was thinking too. Unfortunately the print out Ford gave me does not show power or ground, just the 2 wires that go to ecu. I know which is power from checking it with a test light, but is the 4th wire ground or does it ground itself on the exhaust?
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FocusXtreme - Hatch Nation #96 04 ZX3 5.0, T5, 4 lug 7.5 w/ 3.73s 12 SE Hatch Sport & Winter Package, ST Front End 91 Ranger XLT 3/4 drop 89 Bronco II XLT Well the body is still stock, what's left of it Last edited by disciplerocks; 10-22-2009 at 09:00 PM. Reason: i can't spell |
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10-22-2009, 09:15 PM
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Focus Enthusiast
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good question...don't know the answer
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"You will be assimilated, resistance is futile" Give a rep when someone is helpful |
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