HELP! Transmission light question
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Laughing Gas
Joined: Oct 2013
Posts: 1,028
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From: MA
HELP! Transmission light question
As I reached the end of my hour long highway commute today, I gave my truck a little more gas to hold my speed up the hill to my exit and as I did the truck downshifted. As it downshifted, my tranny light on the dash came on and stayed on. I drove the mile or so from exit to my parking lot and here it sits. Drives fine, shifts fine, and doesn't smell. Need some advice if anyone's got any, it needs to be able to make that hour long drive home Thursday night. Is it okay to drive? Is there something I need to do? It's an 06 F-250 5.4. Thanks in advance to anyone who can provide any insight...
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Laughing Gas
Joined: Oct 2013
Posts: 1,028
Likes: 22
From: MA
Update: tranny light off check engine light on. En route to twilight zone now. Also noticed something (looks like a small hose) that is hanging loosely in the engine bay above and to the passenger side of the motor. Will post a picture shortly.
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Laughing Gas
Joined: Oct 2013
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From: MA
Okay so I've got an emissions thing...really not sure what the deal was with the tranny. My codes are PO171 and PO174. Thinking I'll try to clean out the MAF and throttle body? Will have pic posted of the "loose hose" shortly. Thanks
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Senior User
Joined: May 2006
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It is running too lean because of the vacuum leak.
Also check the larger hose at the rear of the plenum
that goes to the PCV valve at the valve cover.
Also check the larger hose at the rear of the plenum
that goes to the PCV valve at the valve cover.
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Laughing Gas
Joined: Oct 2013
Posts: 1,028
Likes: 22
From: MA
That is sort of what I was thinking in terms of where it went. I'll pop it back in there and check the larger hose as well while I'm there. The roads I commute on aren't the best, so I'm sure the hose worked itself loose.
Thanks for all the help guys, it's much appreciated!
Thanks for all the help guys, it's much appreciated!
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