Fault codes
Codes the engine computer has stored, as Torque Pro reports them when it connects. This is
the car as it is now, whatever drive or period is selected further down.
Checking for fault codes…
Engine analysis is a Pro feature
Your account is on the free plan, so the server does not return the health score, fuel trims or battery history for this page. Nothing is wrong with your car or your logger — the readings are still being recorded, they are just not served here.
Auto-refresh has been switched off so this page stops retrying every 30 seconds. Use Refresh if your plan changes.
Engine Health
Five checks, scored over every drive in the selection above. Anything the car did
not send is left unscored rather than counted as a pass or a fail.
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Loading checks…
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Fuel Trims
Fuel trim is how far the engine computer has moved away from the amount of fuel it
planned to inject. A positive number means it is adding fuel because the mixture is
reading lean; a negative number means it is taking fuel away. Short-term trim swings
constantly and that is normal. Long-term trim is the learned average, and it is the
one that matters.
What is normal: a long-term trim inside ±5% is healthy, and ±5–10%
is unremarkable on an engine with some miles on it. Past ±10% — the orange gridlines
— is worth chasing, usually a vacuum leak, a tired mass-airflow sensor or fuel
pressure drifting low. Past ±20%, the red gridlines, the engine computer is close to
running out of correction and a fault code normally follows.
Fuel trims over time
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Battery and Charging
This is the voltage the OBD adapter sees on the car's 12 V line. It means two
different things depending on whether the engine is turning, so the reading below is
judged against the engine speed recorded alongside it rather than against one fixed
band.
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No data
Waiting for adapter voltage readings.
Adapter voltage over time
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Dig Deeper
Raw data and diagnostics
What this page asked the server
Score arithmetic
Each of the five checks is worth 20 points and is scored on a sloping ramp, not a step, so a
reading a hundredth of a unit past a threshold does not move the score by fifteen
points. Only the checks that reported are summed, and the total is rescaled over
the points those checks were worth.
Torque PIDs behind these numbers