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user removed · 01-05-2014, 10:23 PM

It's fairly easy to check for DFCO, decelerate using engine drag in gear and when DFCO shuts off you will feel the difference. My 92 had it but the idle speed was so high it would go 25 MPH in 5th gear with your foot off the gas.

regards
Mech

01-05-2014, 10:23 PM	#4 (permalink)
user removed Master EcoModder Join Date: Sep 2009 Posts: 5,927 Thanks: 877 Thanked 2,024 Times in 1,304 Posts	It's fairly easy to check for DFCO, decelerate using engine drag in gear and when DFCO shuts off you will feel the difference. My 92 had it but the idle speed was so high it would go 25 MPH in 5th gear with your foot off the gas. regards Mech