Thursday 1 December 2016

OBD2 Fault Codes

Entered a custom sensor ID for the oil pressure into the OBD2 scanner last night. Tried it this morning... no good. Will keep trying.

Read the fault code log. There were a few there. I cleared the log, then checked again and nothing resurfaced, so it looks like the sensors we are no longer using (e.g. post-cat O2 sensors) have been switch off. I'll keep an eye on it.

Log of fault codes...
P0036
P0054
P0056
P0060
P0123
P0223
P0463

Doing a bit of research (e.g. http://grego.ca/limp.htm), a TPS fault is treated REALLY seriously (which makes sense as the computer can't reliably know where the throttle blade is).

Remember how the throttle butterfly plug wasn't plugged in? This one caught my eye...
P0223 Throttle Position Sensor/Switch B Circuit High Input

And I quote...
"When this code is stored, the PCM will usually enter limp in mode. Engine acceleration will be severely limited (if not disabled) in this mode".

Here's hoping that clearing that fault will be the simple fix to the lack of power!

Itching to take this thing for a drive...

J

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