Tag: engine

Upgrade the ECS Module 1985-1989 Corvettes

Background The \’85-\’89 L98 uses an Electronic Spark Control (ECS) module to listen to the Knock Sensor and report ping to the ECM (on \’90-\’96 Corvette motors the ECM listenes directly to the Knock Sensor). When the ECM detects knock counts it pulls timing till no knock is reported and then gradually increases timing to […] More »

  Comments | By - April 21, 2010

Decarbonization Procedure

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 […] More »

  Comments | By - April 21, 2010

Donaldson Blackwing Installation on a 2001 C5

Here is the Donaldson Blackwing install for a 2001. I did not see anyone go into detail on installing one so I thought I may as well post some pics as I went. You all know what the stock cleaner looks like so I am skipping that one. The first one is a picture of […] More »

  Comments | By - April 21, 2010

Erasing DTC Codes

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 […] More »

  Comments | By - April 21, 2010

Hard Start Fuel Problem Diagnosis

… 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 […] More »

  Comments | By - April 21, 2010

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