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Re: 1997 EXPEDITION 5.4L FUEL TRIM +
Posted to Technical Discussion Forum on 2/26/2013 6 Replies

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Gotcha Shannon,

From monitoring fuel trim at 2500 rpm, i felt i had vacuum leak.I removed a vacuum line and sprayed brake clean in to line. While monitoring o2"s on scanner, the 02"s would momentar... Login to read more.

6 Replies Received (View Replies)