Fault Code 31-EGR

Synopsis

Notes: For 1987 and later models only, except L-body

Description: Purge canister/EGR solenoid circuit is open or shorted
Power loss light: Off
Limp-in mode: None

Possible Causes

Bad connection or wiring - Check the wiring and connections between the logic module and the solenoid. Clean and regrease any corroded connectors with dielectric grease and repair any shorts.

Bad solenoid - The solenoid is located in the right, front fender next to one to three other solenoids. See the Understanding Solenoids page for information about how to test and repair solenoids.

Diagnostic Method

Trigger Parameters

- Near 0V or near 12V not detected when the solenoid is turned on or off, respectively

Results If Component Fails

Fault code 31 is stored.

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This page is maintained by Russell W. Knize and was last updated 08/28/98. Comments? Questions? Send email.