What can I do with
a Datalogger?
Ever seen a dealer mechanic plug a handheld computer
into your car while you had the car in for service? Anything that mechanic
can do with the factory diagnostic unit you can do with the OBDlogger
- and much much more! Not only can you see a display of the current sensor
and actuator values, you can plot the values on a live scrolling chart.
You can also save a continuous stream of data to your PDA for later
analysis.
The Datalogger makes a great diagnostic tool.
Tracking down faulty or intermittent sensors using a voltmeter can be very
frustrating. Most of the time you cannot check sensor values when the
engine is running - and even if you can, how can you be sure the ECU
doesn't have a bad connection buried deep somewhere in the wiring harness?
The Datalogger lets you see exactly what the ECU is seeing.
Ever suspected you had a misfire, but couldn't figure
out which cylinder was causing the problem? Our 1G Datalogger also allows
you to shut off one injector at a time - while the engine is running!
In this manner, you can easily perform a cylinder balance test. You can
also actuate all the solenoids as well as cycle the fuel pump relay.

Datalogging
Engine tuning is where the Datalogger really shines.
How much is timing being retarded at wide-open-throttle? Am I getting a
lot of knock (knock is 1G only) around 5000 RPM? How close am I to maxing
out my injectors? The Datalogger answers these questions, and more.
It is often difficult for home mechanics to tune
their cars - most of the time, the only tools that are available are an
oxygen sensor meter and the seat of their pants. Using only these tools
they could never be certain that what they had done to the car was fully
optimized unless they paid for expensive time on a dyno. The Datalogger
provides an affordable alternative to dyno testing by maximizing your
setup with the insight this kit provides. Dont tune your engine blind.
Knowledge in tuning produces POWER.
Datalogger
specifications:
-
Factory
scan tool emulation
-
Display and clear the CHECK ENGINE DTCs (diagnostic troublecodes)
Sensor Display
-
RPM
-
Timing
Advance/Retard
-
O2 Sensor
-
Short Term Fuel Trim
-
Long Term Fuel Trim
-
Air Intake
Temperature
-
Air Flow
-
Coolant Temperature
-
Throttle Position
-
MPH
-
Load
-
Knock Sum(1G only)
1G can also:
-
Turn
on/off each of the actuators:
-
Injectors
-
Fuel pump relay
-
Purge solenoid
-
Fuel pressure solenoid
-
Wastegate solenoid
-
Datalogging
-
Can
log all of the above factory data plus much much more - for example...
-
Fuel trims
-
Knock sensor (1G)
-
Air
volume
-
Acceleration enrichment
-
Typically achieves 50-75 samples per second for 1G, (OBDII is about
12-20 samples) depending on computer speed and RPM (as RPMs increase,
the ECU has less time to respond due to time spent firing the coils
and injectors)
-
Sophisticated charting tool, including live data scrolling graphs
-
ECU
Compatibility
-
No
ECU modifications necessary
-
Works
with any stock factory ECU
-
Works
with EPROM modifications or Flashed ECUs
-
Also
works with HKS's VPC & Apexi AFC or EFI's PMS. Some sensor values may
not reflect their true values since both of these units "fool" the
factory ECU into behaving a certain way by modifying some of the true
sensor values.
-
PLUG & PLAY!