reverse but no forward
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Freshman User
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reverse but no forward
'00 F350 PSD 4X4 Automatic w/ OD 94K mi. - Today installed K&N intake kit and blue headlight bulbs. Tried to do a test drive, backed out of the garage, put it in drive - nothing. I've not had any transmission problems to date. Truck drove and shifted fine earlier today. Now it will engage in reverse only, when shifted to drive RPMs increase very slightly then settle back to just barely above idle. Trans. fluid level is normal. OD light on shifter works normally. What else can I check before calling the "experts"?
FTE Leadership Emeritus
Joined: May 2001
Posts: 13,653
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From: Cabot, Arkansas
Does the throttle respond normally? It's hard to believe the tranny shelled out just sitting there. I'd start by checking everything around your work area and then crawl underneath to make sure all the electrical connectors on the tranny are good.
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Freshman User
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Yes, normal throttle response. Checked all around work area, removed intake kit. Don't see where any anything is disconnected even under truck on trans. This does not make sense, there were no strange noises, truck drove nicely earlier in the day.
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reverse no forward
Just as an experiment, if you unplug the transmission range sensor on the
driver side of the transmission, will the radio still cut out when you shift
to reverse? You'll have to start the truck before unplugging the TR sensor
(the neutral safety switch is inside). The check engine light is probably
going to come on the the OD light will be flashing. You also won't have all
your forward gears (only second and OD once you get moving fast enough), but
reverse will still work.
Charles Ledger
ASE Master--Auto; Advanced Engine Performance;
Diesel Engines; Medium/Heavy Truck Electrical
Ford Senior Master Technician--Engines, Drivetrain, Chassis
driver side of the transmission, will the radio still cut out when you shift
to reverse? You'll have to start the truck before unplugging the TR sensor
(the neutral safety switch is inside). The check engine light is probably
going to come on the the OD light will be flashing. You also won't have all
your forward gears (only second and OD once you get moving fast enough), but
reverse will still work.
Charles Ledger
ASE Master--Auto; Advanced Engine Performance;
Diesel Engines; Medium/Heavy Truck Electrical
Ford Senior Master Technician--Engines, Drivetrain, Chassis
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Freshman User
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i dropped the pan - surprisingly clean, just a little black residue around the plug. i'll get a new filter and fluid and drain the TC. any mods should be done while i have the pan off? truck is completely stock.
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Fleet Mechanic
Joined: Feb 2005
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From: Northern Colorado
Originally Posted by dieselan250
Charles Ledger
ASE Master--Auto; Advanced Engine Performance;
Diesel Engines; Medium/Heavy Truck Electrical
Ford Senior Master Technician--Engines, Drivetrain, Chassis
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Post Fiend
Joined: Jul 2005
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From: 21791
Originally Posted by bonalie
i dropped the pan - surprisingly clean, just a little black residue around the plug. i'll get a new filter and fluid and drain the TC. any mods should be done while i have the pan off? truck is completely stock.
Hotshot
Joined: Jan 2002
Posts: 17,988
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From: La La Land
dieselan250,
Charles! Good to see you come by! You are sure going to be welcome here!
For everyone who doesn't know Charles, or at least heard of him, he is a Ford diesel tech at a dealership in remote, rural, Northern California.
He has been running a Yahoo Groups list for newbies for some time now, and has helped a BUNCH of folks that have never heard of FTE to fix their PSD's. I used to subscribe to his group, and I'll vouch for the fact that he knows some of the remotest details about our trucks. He's been there and walked the walk! He'll be a great asset to our forum with his first-hand knowledge.
Again, Charles, welcome to FTE. It's a great place to hang a hat! We're real tolerant of newbies and old f*rts alike (that was NOT directed at you, Guzzz), and no one has a contentious attitude, unlike SOME forums we COULD (but won't) mention. ;-)))
You're going to fit right in with us!
Welcome to "Our Happy Fizzies Party"!
Pop
Charles! Good to see you come by! You are sure going to be welcome here!
For everyone who doesn't know Charles, or at least heard of him, he is a Ford diesel tech at a dealership in remote, rural, Northern California.
He has been running a Yahoo Groups list for newbies for some time now, and has helped a BUNCH of folks that have never heard of FTE to fix their PSD's. I used to subscribe to his group, and I'll vouch for the fact that he knows some of the remotest details about our trucks. He's been there and walked the walk! He'll be a great asset to our forum with his first-hand knowledge.
Again, Charles, welcome to FTE. It's a great place to hang a hat! We're real tolerant of newbies and old f*rts alike (that was NOT directed at you, Guzzz), and no one has a contentious attitude, unlike SOME forums we COULD (but won't) mention. ;-)))
You're going to fit right in with us!
Welcome to "Our Happy Fizzies Party"!
Pop
Last edited by SpringerPop; Jan 21, 2006 at 07:37 PM.
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Originally Posted by dieselan250
Just as an experiment, if you unplug the transmission range sensor on the
driver side of the transmission, will the radio still cut out when you shift
to reverse? You'll have to start the truck before unplugging the TR sensor
(the neutral safety switch is inside). The check engine light is probably
going to come on the the OD light will be flashing. You also won't have all
your forward gears (only second and OD once you get moving fast enough), but
reverse will still work.
Charles Ledger
ASE Master--Auto; Advanced Engine Performance;
Diesel Engines; Medium/Heavy Truck Electrical
Ford Senior Master Technician--Engines, Drivetrain, Chassis
driver side of the transmission, will the radio still cut out when you shift
to reverse? You'll have to start the truck before unplugging the TR sensor
(the neutral safety switch is inside). The check engine light is probably
going to come on the the OD light will be flashing. You also won't have all
your forward gears (only second and OD once you get moving fast enough), but
reverse will still work.
Charles Ledger
ASE Master--Auto; Advanced Engine Performance;
Diesel Engines; Medium/Heavy Truck Electrical
Ford Senior Master Technician--Engines, Drivetrain, Chassis
Dieselan250;
i unplugged the range sensor after starting the truck, it will now engage in forward and have to give it plenty of throttle to get it to move - probably because it's second gear.
the OD light flashes, radio continues to work when shifted to reverse, trans will engage in reverse, check engine light does not come on. is it safe to drive? how fast? how far?
Strokin_it7.3
yes, i think the sonnax springs will have to wait for the next scheduled maintenance. thanks for the advice
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
Originally Posted by dieselan250
Just as an experiment, if you unplug the transmission range sensor on the
driver side of the transmission, will the radio still cut out when you shift
to reverse? You'll have to start the truck before unplugging the TR sensor
(the neutral safety switch is inside). The check engine light is probably
going to come on the the OD light will be flashing. You also won't have all
your forward gears (only second and OD once you get moving fast enough), but
reverse will still work.
Charles Ledger
ASE Master--Auto; Advanced Engine Performance;
Diesel Engines; Medium/Heavy Truck Electrical
Ford Senior Master Technician--Engines, Drivetrain, Chassis
driver side of the transmission, will the radio still cut out when you shift
to reverse? You'll have to start the truck before unplugging the TR sensor
(the neutral safety switch is inside). The check engine light is probably
going to come on the the OD light will be flashing. You also won't have all
your forward gears (only second and OD once you get moving fast enough), but
reverse will still work.
Charles Ledger
ASE Master--Auto; Advanced Engine Performance;
Diesel Engines; Medium/Heavy Truck Electrical
Ford Senior Master Technician--Engines, Drivetrain, Chassis
Lead Driver
Joined: Dec 2003
Posts: 5,250
Likes: 42
Originally Posted by bonalie
what is vss? i've not done much work on a psd? available from ford or aftermarket?
yeah. i would get one from the dealer before an aftermarket, even though it costs a little more.