Unable to connect via OBDII while car is running

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groveguy89

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	Unable to connect via OBDII while car is running « on: February 05, 2016, 12:18:36 PM »

So I'm kind of stumped. Car is a 2001 6speed 2.7T A6 and I am totally unable to connect with any interface while the car is running. (Engine only) I can still connect to stuff like cluster and other control modules but not the ECU. When the car is not running it works fine? Any suggestions? TIA


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lsalt100

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	Re: Unable to connect via OBDII while car is running « Reply #1 on: February 12, 2016, 07:28:17 AM »

do you have any extra comunication like LPG ecu..... for me is it the same, but LPG ecu reads short/longs trims and rew. sometemies it goes and somethime not....


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ford galaxy 2,8 V6 LPG (2004)

gt-innovation

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	Re: Unable to connect via OBDII while car is running « Reply #2 on: February 12, 2016, 07:47:37 AM »

Quote from: groveguy89 on February 05, 2016, 12:18:36 PM

which interface? which software?


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groveguy89

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	Re: Unable to connect via OBDII while car is running « Reply #3 on: February 12, 2016, 03:51:46 PM »

Quote from: gt-innovation on February 12, 2016, 07:47:37 AM

which interface? which software?

I use both a genuine Ross Tech HEX-CAN USB as well as cheap dumb FTDI cable. Tried logging with both VCDS and ME7Logger, ECUx. Cables work fine with all my other cars. I'm starting to think it may be a ground issue, but I have no idea where to start looking. I was able to log intermittently by starting the log (in VCDS) and it would sort of randomly cut out? I was able to start it back up again while moving only to have it randomly cut out again with no rhyme or reason. Huh

I'm teh losts


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groveguy89

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	Re: Unable to connect via OBDII while car is running « Reply #4 on: February 20, 2016, 08:53:45 AM »

Nuffin?

Lol I'm probably just going to sell the car, cant have any fun if you cant log.


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groveguy89

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	Re: Unable to connect via OBDII while car is running « Reply #5 on: February 23, 2016, 07:26:06 PM »

Problem solved, car sold lol Grin


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