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1997 to 2003 F-150 4.2L, 4.6L, and 5.4L equipped F-150s. |
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Thread Tools | Display Modes |
#1
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I'm getting lean codes on canned tow tune. I know this isn't right, but is there anything I can do other than not use it until I get custom tunes. I have the 5.4L, gotts mod, drop in k&n, and dual exhaust with a "H" pipe and flowmasters. Any help will be appreciated.
Thanks, Rob |
#2
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Forgot to mention I have the Gryphon CTS programmer.
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#3
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Rob, I think you probably SHOULD set the tune to stock until you can get a custom tune to compensate for the H-pipe exhaust. I don't think the K&N filter is any problem, and neither is the Gotts intake mod, but the exhaust must be interfering with the fuel trims.
You MIGHT be OK using just the Level 1 tune though, since it effects only the transmission. I think I'd try that first. - Jack
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2024 F150 Platinum SCrew 3.5L PowerBoost FX4, Peragon Tonneau Cover, LineX Bed, 35% Window Tint on All Sides and Rear, Full Nose Paint Protection Film, Husky Mud Guards, Lasfit Floor Liners, VIOFO Dash Cam |
#4
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Thanks for the reply. I'm going to get custom tunes, but in the mean time, i was looking for a solution other than turning the Gryphon CTS into an expensive gauge. Is there anything that I can do, or am i just stuck until I get custom tunes?
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#5
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As I said, try Level 1. That gives you a stock tuned engine and an improved transmission.
- Jack |
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