Do i have a tune?????
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Senior User
Joined: Jul 2004
Posts: 150
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From: Nevada,
Do i have a tune?????
Hey All!! Merry Christmas!
I have been on here for a long time, and have recently picked up a 2007 250 V10 4X4, 4.10s, and 35s. love the truck. Not my only V10, also have an 07 winnebago 35' with this motor. How can i tell if the PO has put a tune on this truck?? i know it was used for a 5ver, and has some mods.... airbags, CAI, tbody spacer...... but the power band seems off. Light to moderate throttle, poor performance and mileage (currently 8.2). WOT great performance and mileage improves?!?!?!?!?! 3rd & 4th gear at moderate throttle literally will not accelerate. Just lays down unless you accelerate harder. I am wondering if he has this tuned for the 5ver, and i need something different???? But how can i tell if it is tuned???
I have been on here for a long time, and have recently picked up a 2007 250 V10 4X4, 4.10s, and 35s. love the truck. Not my only V10, also have an 07 winnebago 35' with this motor. How can i tell if the PO has put a tune on this truck?? i know it was used for a 5ver, and has some mods.... airbags, CAI, tbody spacer...... but the power band seems off. Light to moderate throttle, poor performance and mileage (currently 8.2). WOT great performance and mileage improves?!?!?!?!?! 3rd & 4th gear at moderate throttle literally will not accelerate. Just lays down unless you accelerate harder. I am wondering if he has this tuned for the 5ver, and i need something different???? But how can i tell if it is tuned???
Posting Guru
Joined: Aug 2007
Posts: 1,858
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From: laporte in
The could air intake and throttle body spacer can go in the trash. Sounds like its not running right, I'm averaging 9.42, on roughly a 33" tire. When was the last tune up? MAF cleaning? Doesn't sound like a tune to me
Tuned
Joined: Jun 2009
Posts: 287
Likes: 1
I'll toss out the 35s cant be helping, even with 4:10s.
I dont have an answer for the tune question, but would be curious to know if theres any problem stacking a 5 star tune on a rig that already has a tune, as in, does it completely rewrite the pcm, or add to existing parameters?
I dont have an answer for the tune question, but would be curious to know if theres any problem stacking a 5 star tune on a rig that already has a tune, as in, does it completely rewrite the pcm, or add to existing parameters?
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
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From: Long Island USA
That's something to ask Mike @ 5-star, I would assume that his tuner would just take the existing tune, call it the "stock" tune, and then put his new one in place of it. But you'd have to ask him.
To the original poster, yes, sounds like you might have other issues, and has nothing to do with a tune. Cleaning the MAF and the throttle body should be the first things on your to-do list. That, and checking for vacuum leaks.
To the original poster, yes, sounds like you might have other issues, and has nothing to do with a tune. Cleaning the MAF and the throttle body should be the first things on your to-do list. That, and checking for vacuum leaks.
Elder User
Joined: May 2008
Posts: 574
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From: SW Idaho
I agree....start off my removing the throttle body spacer and after market air intake. Then disconnect the battery to reset the PCM.
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Senior User
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From: Nevada,
Maf and Tbody cleaned yesterday, battery disconnected during cleanings. havent driven enough to know where we are at and will let you know. May remove t-body spacer next, but dont have OEM airbox as i did not install the CAI. Seems to have improved the flat spot, but not setting any mileage records as of yet. I will advise later in the week after i have driven her some. Drove the motorhome yesterday and would swear that it has more power than the 250. Thanks for the help and Merry Christmas!!!!! i will advise on milage friday. Roger
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Hey All!! Merry Christmas!
I have been on here for a long time, and have recently picked up a 2007 250 V10 4X4, 4.10s, and 35s. love the truck. Not my only V10, also have an 07 winnebago 35' with this motor. How can i tell if the PO has put a tune on this truck?? i know it was used for a 5ver, and has some mods.... airbags, CAI, tbody spacer...... but the power band seems off. Light to moderate throttle, poor performance and mileage (currently 8.2). WOT great performance and mileage improves?!?!?!?!?! 3rd & 4th gear at moderate throttle literally will not accelerate. Just lays down unless you accelerate harder. I am wondering if he has this tuned for the 5ver, and i need something different???? But how can i tell if it is tuned???
I have been on here for a long time, and have recently picked up a 2007 250 V10 4X4, 4.10s, and 35s. love the truck. Not my only V10, also have an 07 winnebago 35' with this motor. How can i tell if the PO has put a tune on this truck?? i know it was used for a 5ver, and has some mods.... airbags, CAI, tbody spacer...... but the power band seems off. Light to moderate throttle, poor performance and mileage (currently 8.2). WOT great performance and mileage improves?!?!?!?!?! 3rd & 4th gear at moderate throttle literally will not accelerate. Just lays down unless you accelerate harder. I am wondering if he has this tuned for the 5ver, and i need something different???? But how can i tell if it is tuned???
Elder User
Joined: May 2008
Posts: 574
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From: SW Idaho
You have the stock factory tune.
Tuned
Joined: Jun 2009
Posts: 287
Likes: 1
And if its not tuned, its a good possibility the speedo is off with the 35s making it seem like you're getting fewer mpg than you are.
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