Im having an issue with a hunting idle on my L29 in closed loop. I picked up an ELM327 and have OBD Fusion. It has the ability to log data, so I’m wondering what I should be looking at.
I suspect logging RPM, MAP, and O2 voltages would help me track down the issue, but I’m hoping someone a little more seasoned in this might chime in.
I suspect there may be an exhaust leak at the manifold on Bank 1, but I couldn’t hear it with my 3/8” hose “stethoscope”. Might be time for a real one.
Here’s one screenshot from a warmup yesterday. From my limited knowledge LTFTs seem quite high, especially on the drivers side.
I suspect logging RPM, MAP, and O2 voltages would help me track down the issue, but I’m hoping someone a little more seasoned in this might chime in.
I suspect there may be an exhaust leak at the manifold on Bank 1, but I couldn’t hear it with my 3/8” hose “stethoscope”. Might be time for a real one.
Here’s one screenshot from a warmup yesterday. From my limited knowledge LTFTs seem quite high, especially on the drivers side.
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