Join Date: Feb 2001
Location: The Sticks of Central TX
Testing EEC-IV Equipped Engines
The EEC-IV equipped engines use an older diagnostic system to monitor and report engine related malfunctions. This system is known as On Board Diagnostics (OBD-I). The Diagnostic Trouble Codes (DTC's) are two or three digit numbers and can be read through the use of a scan tool, an analog voltmeter, or with the Malfunction Indicator Light (MIL) [Check Engine or Service Engine Soon light]. Use one of the following methods to obtain the DTC's...
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