F150 stalls in reverse

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Jul 21, 2015 | 07:50 PM

Jonathan Stone

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F150 stalls in reverse

I have a 1994 automatic F150 5.0 4x4 with dual tanks and I have been having trouble with reverse. Occasionally I will shift into reverse and the engine will start to putter and if I don't press the gas pedal it will stall out. Its almost like trying to drive a stick shift. It doenst do it every time but probably 60% of the time it will do that. I heard maybe it could be the transmission filter? Maybe idle air control? Any answers will be wonderful.

Jul 21, 2015 | 08:28 PM

Mark Kovalsky

Frmr Ford Trans Engr

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From: SE Florida

Low trans fluid is the most common cause of this.

Jul 21, 2015 | 08:37 PM

Jonathan Stone

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The transmission fluid is full..

Jul 21, 2015 | 08:37 PM

Jonathan Stone

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Quote:

Originally Posted by Mark Kovalsky

Low trans fluid is the most common cause of this.

The transmission fluid is full

Jul 22, 2015 | 12:03 AM

Jonathan Stone

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Update: I cleaned iac valve which was very dirty, started her up and I can tell it runs smoother and doesn't stall in reverse anymore. Except when I shift to reverse it seems to kick into gear hard.. I don't know if this matters but what do y'all think?