Davis Instruments 8226 User Manual

CarChip Online Help Printable Version 

88 

Fuel Pressure  

0 to 110 psiG, 0 to 765 kPaG  

0.5 psiG, 3 kPaG 

O2 Sensor Voltage (B1-2, S1-4, 
8 total) 

0 to 1.275 V 

0.005 V 

Ignition Timing Advance  

-64° to 63.5° 

0.5° 

Short Term Fuel Trim  

-100% to 99.22% 

0.8% 

Long Term Fuel Trim 

-100% to 99.22% 

0.8% 

Battery Voltage  

6 to 16 VDC 

0.1 VDC 

*Range and resolution of sensor measurements only. Accuracy is dependent on the accuracy of the 
vehicle’s sensors. 

 

See also: 

Incompatible Vehicle List

 

 

The older models of the CarChip data logger connect to your computer using a USB connection (# 8211, 
8221, 8225, 8241, 8245) or using a serial port connection (# 8210, 8220). See 

Connecting CarChip Pro to 

a Computer

 if you have a CarChip Pro or CarChip Fleet Pro (# 8226, 8246).  

Note: The CarChip data logger does not have to maintain a constant connection with your computer. The 
CarChip can be connected and disconnected at any time the CarChip software is not downloading 
information from the CarChip data logger. 

To connect the CarChip data logger to your computer using a USB connector: 

1.  Locate a free USB port on the front or back of your computer and insert the USB connector of the 

download cable into the USB port. 

2.  Plug the microminiature connector into the port on the CarChip data logger.