1st Generation Explorer Links
General Interest
Autoshop101.com - A great place to start learning the basics
Infamous Issues with 1st Generation Explorers
Clean out the blower box, prevent a fire
Fuel
Fuel Pressure Regulator - The primary test for the fuel pressure regulator is the fuel pressure test. However, the pressure regulator can also fail with a hole in the diaphragm. Such a defect will cause fuel to be drawn into the vacuum line and into the intake manifold. The test for such a defect is to disconnect the vacuum line at the regulator and run the fuel pump. If fuel is released from the vacuum port of the regulator, then it has a hole in it. Alternatively, one could apply vacuum via a manual pump (MityVac) and see if it holds a vacuum.
Fuel Pressure Test
Idle Air Control (IAC) - Rough idle, tap IAC and see if it changes/improves. Also, try disconnecting IAC and check for change. It is easy to clean, keep cleaner out of electronic side.
Mass Airflow Sensor Test (MAF)(external site)
Throttle Position Sensor Test (TPS)
Electrical
Brakes
Mr. Shorty's EEC-IV Test Method
EEC / ODB-I Codes and Procedures
The letters after the code correspond to the test stage, or condition:
O = Key On Engine Off (KOEO)
R = Key On Engine Running (KOER)
C = Continuous Memory code (CM)
Clutch and Flywheel Replacement, transfer and trans case removal
