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Input on OBD readings

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Old 03-13-2018, 08:23 PM
Dell Gailey's Avatar
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Default Input on OBD readings

This is an area I have no experience in. Attaching an OBD CSV (comma separated value) log on 150 mile round trip. Any input appreciated.
 
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Old 03-13-2018, 09:06 PM
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It opens up in Excel, I see you're looking at fuel trim data..... are you chasing lean/rich DTC's?
 
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Old 03-13-2018, 09:45 PM
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Dell, what are you trying to figure out with the data log that you have? Not really sure what to be looking at. Looking at the numbers from just a wide view, I see where your fuel pressure is low which can be a sign of either a plugged fuel filter, fuel pump starting to go bad, or a blockage in the fuel line itself. That was the only abnormality I could see. Granted, not sure what the G(x) and the other matching numbers are supposed to represent.
 
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Old 03-14-2018, 01:32 AM
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Yeah, the fuel pump only works on one side. The low fuel light comes on and extinguishes on key on, but does not work with fuel consumption. Learned 3 times the hard way. So when it gets 100-80 miles (range) to empty, I fill up.

Had a P0455 & P0456 & reversed the gas cap seal, cleared & haven't returned. The log was the drive after clearing the codes. I'll attach pics of the "dials" I selected on torque app & got the above info for export.








 
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Old 03-14-2018, 04:35 AM
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dell, from what I can tell, you should be good. Other than the fuel pressure being a little low, all appears good to me. Just keep an eye on the CEL and see what happens.
 
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