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best app for OBD2 diagnosing?

Transit Mk6 & Mk7 Forum. All Transits 2000 - 2013

best app for OBD2 diagnosing?

Postby Matt416 » Thu Oct 04, 2018 6:08 am

Hi,
I am having intermittent problems with the A/C in my 2010 Ford Transit Connect (sometimes it works, sometimes it takes a while for the compressor to come on, and sometimes it doesn’t work at all). The refrigerant level is full, so I suspect one of the sensors is malfunctioning. I have an OBD2 reader (Bafx Products) and several Android apps (Torque Pro and FordSys), but none are detecting any error codes. Is there a better app to use for A/C problems? Is there a Ford PID to read A/C pressure?
Matt416
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Re: best app for OBD2 diagnosing?

Postby loot » Thu Oct 04, 2018 9:50 am

Ford ids.
Forscan.
Above both have full access to modules.

There may not be a fault if something isn't happening but not seen as broken. Example would be not accelerating because you aren't pushing the pedal = no fault seen.

But ac clutch switch etc all wants looking at. Ids had a decent data logger which will see the values for ac.
56 350 2.2 130ps mk7 with 2 side doors 8)
65 290 2.2 125ps custom with 2 side doors 8)
07 350 170ps
Ids v86 licence + v86.04 update + xprog here
Ids map here
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Re: best app for OBD2 diagnosing?

Postby Matt416 » Sun Oct 14, 2018 6:19 am

Thanks for the tip on Forscan. I used the computer program, and it showed an error code for A/C refrigerant pressure. Since I checked the pressure with a manifold gauge set and everything was good, I was thinking that it might be a faulty pressure sensor in the A/C system. But first I replaced the fan blower motor resistor because the #1 setting wasn’t working. Lo and behold—after I replaced the blower motor resistor set, the A/C started working fine! Which makes no sense to me, because how could the computer know that the #1 setting was out when I had the fan on level 2, 3 or 4? Very weird! I cleared the error code, and there are no error codes now.
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