# 2006 F250 6.0L won't start and the dealership doesn't know why **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** noises, engines, ford\ **Created:** [February 22, 2019, 9:01pm UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165 "2019-02-22T21:01:07Z")\ **Posts on this page:** 15\ **Page:** 1
**Author:** ![isaiah.bonson\_148628](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/isaiah.bonson_148628/32/15046_2.png) [@isaiah.bonson\_148628](https://community.cartalk.com/u/isaiah.bonson_148628)\ **Post date:** [February 22, 2019, 9:01pm UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/1 "2019-02-22T21:01:07Z")
My uncle’s 2006 F250 6.0L turns over the engine when you try to start it, but won’t fully start. The dealership has replaced the alternator 3 times and the battery is fully charged. ---
**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\ **Post date:** [February 22, 2019, 9:09pm UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/2 "2019-02-22T21:09:04Z")
> [@isaiah.bonson\_148628](#): > > The dealership has replaced the alternator 3 times and the battery is fully charged. Well THAT seems like 3 too many alternators to me. Find a better dealer, this one is monumentally incompetent. ---
**Author:** ![VOLVO-V70](https://avatars.discourse-cdn.com/v4/letter/v/8e8cbc/32.png) [@VOLVO-V70](https://community.cartalk.com/u/VOLVO-V70)\ **Post date:** [February 22, 2019, 9:11pm UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/3 "2019-02-22T21:11:03Z")
This should not be hard to fix. Is this an actual Ford dealership ? If it turns over why is the alternator being replaced ? Usually when someone is trying to get help for someone else there can be a misunderstanding so do you have better info and has another shop looked at this vehicle. ---
**Author:** ![isaiah.bonson\_148628](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/isaiah.bonson_148628/32/15046_2.png) [@isaiah.bonson\_148628](https://community.cartalk.com/u/isaiah.bonson_148628)\ **Post date:** [February 22, 2019, 9:14pm UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/4 "2019-02-22T21:14:35Z")
My uncle no longer likes to take his vehicles into the mechanic shops, but his friend has looked at it and has said that it’s an electrical problem and then he said it’s a fuel problem. ---
**Author:** ![isaiah.bonson\_148628](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/isaiah.bonson_148628/32/15046_2.png) [@isaiah.bonson\_148628](https://community.cartalk.com/u/isaiah.bonson_148628)\ **Post date:** [February 22, 2019, 9:15pm UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/5 "2019-02-22T21:15:54Z")
I agree with you on that for sure. ---
**Author:** ![VOLVO-V70](https://avatars.discourse-cdn.com/v4/letter/v/8e8cbc/32.png) [@VOLVO-V70](https://community.cartalk.com/u/VOLVO-V70)\ **Post date:** [February 22, 2019, 9:16pm UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/6 "2019-02-22T21:16:35Z")
> [@isaiah.bonson\_148628](#): > > My uncle no longer likes to take his vehicles into the mechanic shops, but his friend has looked at it and has said that it’s an electrical problem and then he said it’s a fuel problem. OK, we just have found the problem . Unless he uses a real shop with real mechanics then the both of you are just wasting time. ---
**Author:** ![isaiah.bonson\_148628](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/isaiah.bonson_148628/32/15046_2.png) [@isaiah.bonson\_148628](https://community.cartalk.com/u/isaiah.bonson_148628)\ **Post date:** [February 22, 2019, 9:17pm UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/7 "2019-02-22T21:17:33Z")
Also, every once in a while the truck will work for a while, but then it stops working again. ---
**Author:** ![isaiah.bonson\_148628](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/isaiah.bonson_148628/32/15046_2.png) [@isaiah.bonson\_148628](https://community.cartalk.com/u/isaiah.bonson_148628)\ **Post date:** [February 22, 2019, 9:21pm UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/8 "2019-02-22T21:21:51Z")
so you have no suggestions of what the problem may be, so I can possibly fix it while I’m visiting my uncle? ---
**Author:** ![isaiah.bonson\_148628](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/isaiah.bonson_148628/32/15046_2.png) [@isaiah.bonson\_148628](https://community.cartalk.com/u/isaiah.bonson_148628)\ **Post date:** [February 22, 2019, 10:23pm UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/9 "2019-02-22T22:23:46Z")
This is what I found on YouTube: -IPR valve -ICP sensor -bad oil pressure switch -bad oil seal for the pump -glow plugs -dummy plugs -wait until the glow plug light goes out before starting. … My dad suggests starting with the cheapest solution and making your way through the more pricier solutions until the problem is fixed. ---
**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\ **Post date:** [February 22, 2019, 10:31pm UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/10 "2019-02-22T22:31:45Z")
The no-start problem might be caused by a faulty crankshaft position sensor. [https://www.rockauto.com/en/catalog/ford,2006,f-250+super+duty,6.0l+v8+diesel+turbocharged,1432134,ignition,crankshaft+position+sensor,7196](https://www.rockauto.com/en/catalog/ford,2006,f-250+super+duty,6.0l+v8+diesel+turbocharged,1432134,ignition,crankshaft+position+sensor,7196) Tester ---
**Author:** ![VOLVO-V70](https://avatars.discourse-cdn.com/v4/letter/v/8e8cbc/32.png) [@VOLVO-V70](https://community.cartalk.com/u/VOLVO-V70)\ **Post date:** [February 22, 2019, 10:48pm UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/11 "2019-02-22T22:48:15Z")
> [@isaiah.bonson\_148628](#): > > … My dad suggests starting with the cheapest solution and making your way through the more pricier solutions until the problem is fixed. That is a good way to spend money and not solve the problem . ---
**Author:** ![NYBo](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/nybo/32/17281_2.png) [@NYBo](https://community.cartalk.com/u/NYBo)\ **Post date:** [February 22, 2019, 10:53pm UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/12 "2019-02-22T22:53:23Z")
Why is a 13-year-old truck being taken to a dealership? Were the second and third alternators replaced under warranty (for the first replacement alternator, not the truck’s warranty)? ---
**Author:** ![VOLVO-V70](https://avatars.discourse-cdn.com/v4/letter/v/8e8cbc/32.png) [@VOLVO-V70](https://community.cartalk.com/u/VOLVO-V70)\ **Post date:** [February 22, 2019, 10:57pm UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/13 "2019-02-22T22:57:03Z")
> [@isaiah.bonson\_148628](#): > > My uncle no longer likes to take his vehicles into the mechanic shops, The question is has he asked for your help ? You don’t sound like a diesel mechanic so if you can’t fix it how mad is going to be at you. Remember , No good deed goes unpunished . ---
**Author:** ![George\_San\_Jose1](https://avatars.discourse-cdn.com/v4/letter/g/e5b9ba/32.png) [@George\_San\_Jose1](https://community.cartalk.com/u/George_San_Jose1)\ **Post date:** [February 23, 2019, 3:42am UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/14 "2019-02-23T03:42:05Z")
Diesel engine cranks but won’t start in cold weather, got to think glow plugs to start with. Injector pump next. Then whatever’s in the path from the tank to the injector pump. I suppose it could also be the cranking isn’t robust enough. Maybe borrow a known good & fully charged battery as a test. A battery just being fully charged is necessary but isn’t sufficient, it has to be tested as “good” too, with a load or conductance test. If it cranks too slowly with a known good battery, could be a starter motor problem. ---
**Author:** ![isaiah.bonson\_148628](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/isaiah.bonson_148628/32/15046_2.png) [@isaiah.bonson\_148628](https://community.cartalk.com/u/isaiah.bonson_148628)\ **Post date:** [April 15, 2019, 1:56am UTC](https://community.cartalk.com/t/2006-f250-6-0l-wont-start-and-the-dealership-doesnt-know-why/135165/15 "2019-04-15T01:56:36Z")
It is the bad oil seals on the oil pump, which is the same problem with my dad’s F350 7.3L.