|Steps||_Remove the vacuum delay valve installed in the EGR system during the recall.
_Rerun the Key On Engine Running Self-Test and record all codes generated
|Result||Was KOER 34 output again?|
The initial KOER 34 was a valid trouble code. Reinstall the vacuum delay valve. GO to Continue
The initial KOER 34 was due to the authorized modification. Service is complete. Reinstall the vacuum delay valve.
|Notes||The Turbocharged Thunderbird and Cougar have been involved in a recall campaign that added a vacuum delay valve in the EGR valve vacuum line. The valve may cause a KOER 34 to be output during self-test. This test step determines if KOER 34 is due to the authorized modification.|