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  #1  
Old 05-20-2007, 05:42 PM
Pete Geither's Avatar
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OK Arthur,, this is what I did,,,, got 11 flashes off the reader on pin 14, and just went out and checked pin 8 and got 13 flashes. The reader sure is pretty anyhow,,, the flashing lights impressed the crap out of my wife.
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  #2  
Old 05-20-2007, 05:57 PM
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Quote:
Originally Posted by Pete Geither View Post
OK Arthur,, this is what I did,,,, got 11 flashes off the reader on pin 14, and just went out and checked pin 8 and got 13 flashes. The reader sure is pretty anyhow,,, the flashing lights impressed the crap out of my wife.
Yeah . Flashing Lights always work...I always wanted to build a whole wall of them that did nothing but amaze the observer.. a few wierd audios thrown in there too...


..anyway, as you can see , the tn sig would be a code from the DM module and not related to your problem Those DM codes are gotten from the built-in led [ N59 Emmissioms Module] and that is what brought my attention to your code/module error.

A code 13 on the HFM [ ecu] module means the 02 sensor is running at an upper rich limit, so I would look around for a vac leak ..might want to start at the front plastic vac line running across the front of engine. under the cover..they are notorious on 104s for breaking due to heat fatique.
The othe code from 14 means you have a CTP [ closed throttle position]sw that is not closing all the time ..I would look at the adjustment for this [ you want a little slack in the cable at idle] and I would lube the cable ...this is another common code/problem on 104 HFM/SFI systems ..

I would also go use the built-in reader just to see if any of that info has gotten back to the DM..it can have pending codes in there and not trigger a CE.
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  #3  
Old 05-20-2007, 06:46 PM
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Thank you Arthur,,,, will check the areas you mentioned right after din-din.
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  #4  
Old 05-21-2007, 07:47 AM
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I repaired the plastic vaccum line in the front of the engine a couple of weeks ago and rechecked it to make sure there are no leaks,,, it seems good. There seems to be enough slack on the throttle cable also. A couple of weeks ago I replaced the E-brake cable which required a lot of tearing apart of the console and lower dash,,, are there any vaccum lines inside the car I could have disturbed ? I am going to try to get the car on one of our lifts today and check under the car for lines loose or missing also. Dang thing is still surging pretty bad. Thanks for the help Arthur.
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  #5  
Old 05-22-2007, 07:58 PM
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Have examined every vaccum line I can imagine and nothing to be found. I was thinking I could tackle this deal, but it's looking like it's time for the pros $$$$$$.
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  #6  
Old 05-22-2007, 08:18 PM
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Take the vac hose off the fuel pressure regulator and see if there is any gas leaking out of the port..should be NONE.
If there is any evidence of gas in that line, change the regulator...
You also want to check codes in the DM. That is w/the built-in led/sw combo.
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  #7  
Old 05-23-2007, 05:57 AM
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Sorry to be a pain Arthur,,, but where is the Fuel Pressure regulator ?
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