03-04 Strategy
Lead Driver
Joined: Jun 2007
Posts: 6,757
Likes: 5
From: Corvallis, OR
VXAP2 is one of the latter strategies, so it won't be the best performing. I believe that's a TEC7 series strategy. I have VXAP1, which is TEC6 and the first to eliminate the EBP sensor. The best performance comes from the TEC5 and earlier strategies that still used the EBP sensor.
With that said, I would probably get the latest that adds the mild inductive heating for cold starts and has the codes that alert you of oil cooler efficiency. Then if you aren't happy with mileage you can get your FICM tuned and/or get custom SCT tunes.
With that said, I would probably get the latest that adds the mild inductive heating for cold starts and has the codes that alert you of oil cooler efficiency. Then if you aren't happy with mileage you can get your FICM tuned and/or get custom SCT tunes.
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Elder User
Joined: Nov 2009
Posts: 636
Likes: 0
From: Saskatoon
VXAP2 is one of the latter strategies, so it won't be the best performing. I believe that's a TEC7 series strategy. I have VXAP1, which is TEC6 and the first to eliminate the EBP sensor. The best performance comes from the TEC5 and earlier strategies that still used the EBP sensor.
With that said, I would probably get the latest that adds the mild inductive heating for cold starts and has the codes that alert you of oil cooler efficiency. Then if you aren't happy with mileage you can get your FICM tuned and/or get custom SCT tunes.
With that said, I would probably get the latest that adds the mild inductive heating for cold starts and has the codes that alert you of oil cooler efficiency. Then if you aren't happy with mileage you can get your FICM tuned and/or get custom SCT tunes.
cold start is a concern for me living in The great white north. we saw temps of -45c this winter and the truck started good all winter long! so I would probably give up some performance for cold start.
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Lead Driver
Joined: Jun 2007
Posts: 6,757
Likes: 5
From: Corvallis, OR
If you see temps that cold, I would get the latest flash to ensure you have the safe inductive heating strategy. Do you know when it was last flashed, or can you read the strategy with your SCT and tell us what it is? With those temps, no way should you go back to one of the early strategies that don't use inductive heating.
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Lead Driver
Joined: Jun 2007
Posts: 6,757
Likes: 5
From: Corvallis, OR
Without knowing when it was last flashed, it's hard to say which version of inductive heating you have. VXAP2 has been used for a few years and covers several revisions. How long have you had the truck?
I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
At least that is how I'm reading that.
TSB 09-24-3
http://ww2.justanswer.com/uploads/fo..._211519_A1.pdf
Lead Driver
Joined: Jun 2007
Posts: 6,757
Likes: 5
From: Corvallis, OR
Yeah, you're right, I remember reading that before. OP, I would find out when it was flashed last, if the truck is new to you, you can ask the dealership to check the OASIS report. If it isn't in the last two years, I would get it reflashed with the latest to ensure you have the milder, safer for FICM, inductive heating strategy.
Lead Driver
Joined: Jun 2007
Posts: 6,757
Likes: 5
From: Corvallis, OR
Ok, I would definitely get the latest flash to ensure you don't have the aggressive inductive heating that is hard on FICMs. Either that, or wait until your FICM fails and is replaced to get it reflashed. Any custom tunes you get for either should work fine, so you can get tunes now, and they'll work with the later strategy just fine.