Electrical System:'83 to'90 Coil Resistance Checking / 2.0L & 2.6L

Coil Resistance Checks

1983 to 1990 Mitsubishi 2.0L and 2.6L Engines

1. Measure the resistance of the external resistor on the coil by connecting the probes of an ohmmeter across the two resistor connectors. Resistance should be as follows or the unit should be replaced.
* 2.0L engine (1983-86): 1.35 ohms
* 2.0L engine (1987-89): 1.2-1.4 ohms
* 2.6L engine (1983-86): 1.04-1.27 ohms
* 2.6L engine (1987-88): 1.25 ohms
* 2.6L engine (1989-90): 1.12-1.38 ohms

2. Measure the resistance across the coil primary circuit by connecting an ohmmeter between the (+) and (-) coil connectors. Resistance must be approximately as follows or the coil should be replaced.
* 2.0L engine (1983-86): 1.2 ohms
* 2.0L engine (1987-89): 1.08-1.32 ohms
* 2.6L engine (1983-86): 1.04-1.27 ohms
* 2.6L engine (1987-88): 1.25 ohms
* 2.6L engine (1989-90): 1.12-1.38 ohms

3. Set your ohmmeter to the x1000 scale and measure the resistance between the connector inside the coil tower and the coil (+) terminal. This is secondary resistance and must be as follows, or the unit should be replaced.
* 2.0L engine (1983-86): 1.2 kilohms
* 2.0L engine (1987-89): 1.08-1.32 kilohms
* 2.6L engine (1983-86): 7.1-9.6 kilohms
* 2.6L engine (1987-88): 11.0 kilohms
* 2.6L engine (1989-90): 9.4-12.7 kilohms

4. Inspect the unit for oil leaks and cracks in the coil tower, and replace it if any defects are noted.
Created by , 03-16-2013 at 09:36 AM
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