E40D problem this is driving me nuts.
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Senior User
Joined: Sep 2006
Posts: 439
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From: Connecticut
E40D problem this is driving me nuts.
my 94 f 250 seems to shift ok when I have overdrive off for around town..but when I go up on the highway and push the off button into overdrive the truck doesnt shift right but will only do this in overdrive not when its off.since my trucks a 94 someone told me it will be harder to read the codes since its not a 95 and up.I never read codes before and dont know how to or where to hook the code reader up.but im really getting tired of guys at shops lying to me and stringing me along so I want to get one.so I need somehelp with that and also why is my truck (e4od) only slipping when its in overdrive?
Post Fiend
Joined: Jan 2005
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Ford Fuel Injection How To Run a Self-Test Here is how to get the codes without a code reader. However you can buy an OBD1 code reader for under $30.00 and plug it into the connectors shown in the link.
Fleet Owner
Joined: Aug 2005
Posts: 23,666
Likes: 301
From: Easton,Ks
Your 94 is just like a 95 and the codes are read the same way.
Here is the under $30.00 reader to get:
Areas where your problem may be:
Wiring harnesses, powertrain control module, Throttle position sensor, vehicle speed sensor,
shift solenoid 1, shift solenoid 2, Shift Linkage (Internal/External) or Cable - Damage, misadjusted.
Manual lever position sensor damaged, misadjusted.
Here is the under $30.00 reader to get:
Areas where your problem may be:
Wiring harnesses, powertrain control module, Throttle position sensor, vehicle speed sensor,
shift solenoid 1, shift solenoid 2, Shift Linkage (Internal/External) or Cable - Damage, misadjusted.
Manual lever position sensor damaged, misadjusted.
Fleet Owner
Joined: Aug 2005
Posts: 23,666
Likes: 301
From: Easton,Ks
Senior User
Joined: Mar 2009
Posts: 470
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From: Washington County, Penna
autozone lists one for 29.99 but it does not look like it displays digits whatsoever, so i havent an idea of how theirs works, maybe flashes just the same as if you do it by the CEL self test???
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Lead Driver
Joined: Aug 2006
Posts: 5,670
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From: Sand Lake, MI
how will I know what the codes mean does it come with some sort of book?
Yea the INNOVA 3145 includes a booklet with full instructions on its use and list of trouble codes.
My vote, like many others here, if you're going to buy a inexpensive code reader buy that one.
Yea the INNOVA 3145 includes a booklet with full instructions on its use and list of trouble codes.
My vote, like many others here, if you're going to buy a inexpensive code reader buy that one.
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New User
Joined: Mar 2010
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From: Mobile
Thanks I'm ordering it today
New User
Joined: Mar 2010
Posts: 21
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From: Mobile
what about the 6' cord?
Just went to the link to buy and they show a 6' cord as an extra item.Do I need the 6' cord too?
Thread Starter
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Senior User
Joined: Sep 2006
Posts: 439
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From: Connecticut
going to buy that code reader i dont need the 6 foot cord for any reason?how long does it take to come in the mail?I never bought anything from amazon before is it a safe place to buy from?thanks
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