Please note that this process was written by C5-TECH. Since there was not a tech tip for the C5 yet and the overwhelming response to a thread I posted regarding this issue…I thought you all could benefit from the pictures of my decarb. 1. Disconnect the pcv line by the throttle body and insert a […]

You can acess all of the cars trouble codes from the dic and erase them! I know it works on my 99 but, I am not so sure on the earlier C5′s. Here is what you do: Press and hold options and then press Fuel 4 times while still holding the options button you must […]

… Here are the sure fail tests for the fuel system to save you time and money.. Take a fuel pressure gauge attach it to the schraeder valve.. turn the key on and off a few time to build up the pressure in the system… If you are having starting trouble the pressure will probably […]

Enthusiasts that have installed long tube headers may find that their engines are running in opened loop because the O2 sensor is not heated to 600 degrees. This is especially true if the O2 bung is relocated to the collector. In the case of the Hooker 2149 header, the bung is located on the #7 […]