Cruise Control Hard Acceleration
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New User
Joined: Mar 2016
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From: Dacono, CO
Cruise Control Hard Acceleration
I have an early 1999 F350 7.3 and have recently began noticing issues when using Cruise Control. If I set the speed and am on a relatively flat road/highway, it works fine. However, if I set the speed and want to increase it, when I press and hold ACCEL it just SLAMS the trans and I immediately take it off of CC. It seems like it's fully opening the throttle since the shift is so violent and throws smoke. The other issue is if there is an incline, it doesn't steadily increase the throttle to maintain speed. It will increase throttle, release, increase throttle, release. Has anybody had these issues and found a solution? Reading some of the other threads that had different CC issues it seemed they pointed to tunes, or the Rear Wheel Speed Sensor. The recall has already been performed on the truck (around 2014 latest). I previously had an SCT with some basic tunes: tow, street, race, which never affected the CC, and recently upgraded to an Edge Evolution CTS3. I have the CTS3 Tow programmed on the truck right now.... and is where it remains since both tuners were stolen from my truck a few months back. Any and all help is appreciated.
Lead Driver
Joined: Jul 2017
Posts: 6,854
Likes: 2,332
From: WV
I had the surging CC with a previous tuner. I’d try it in stock tune first before chasing anything else.
Edit: on re-read it appears the CTS3 programmer was stolen so you’re not able to try stock. Man that stinks. A Hydra will take control and ignore any tune already in the PCM. I know, not a best solution but just information to share.
Edit: on re-read it appears the CTS3 programmer was stolen so you’re not able to try stock. Man that stinks. A Hydra will take control and ignore any tune already in the PCM. I know, not a best solution but just information to share.
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New User
Joined: Mar 2016
Posts: 13
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From: Dacono, CO
Yeah, super ****ty situation but I knew better. There was a weekend I got lazy and left it on the dash; and my old SCT was in the glovebox so they got that too (among taking the truck a few miles away and pillaging the cab of everything else they wanted.) But that's for a separate thread...
Thank you for your quick reply. It's a good suggestion so I don't start driving myself crazy replacing stuff and get nowhere. I'll probably wait a few more months before replacing the tuner and being able to return it to stock tune, but I wonder if anybody else that has a CTS3 Evolution has the same issues... or if Edge is aware of it and maybe remedied it in the past few months? I thought it could be the speed sensor (which I forgot to mention this) because every blue moon around 55 it'll twitch +/- 5 mph. But I guess that would have to be consistent in order for it to consistently affect the CC.
Thank you for your quick reply. It's a good suggestion so I don't start driving myself crazy replacing stuff and get nowhere. I'll probably wait a few more months before replacing the tuner and being able to return it to stock tune, but I wonder if anybody else that has a CTS3 Evolution has the same issues... or if Edge is aware of it and maybe remedied it in the past few months? I thought it could be the speed sensor (which I forgot to mention this) because every blue moon around 55 it'll twitch +/- 5 mph. But I guess that would have to be consistent in order for it to consistently affect the CC.
Senior User
Joined: Nov 2019
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Bring it up with Edge. If they aren't told about issues nothing gets fixed. I have found their support to be quite good so far.
I don't run the tunes from them, though I used to have the old gameboy type tuner. I wasn't keen on the shift strategy with that. I brought the CTS3 as a monitor and im having issues with it not reading PIDs now. Namely the main ones we all want to read like ICP, TFT etc.
I believe it's from an update they sent out as previously it worked fine and could read everything. Listor also had some issues with his CTS3 which I believe his is now sorted. I was also told by the Tech looking after me, there was or has been an issue with a certain chip inside the CTS3 which can upset the whole thing.
As for tunes, like most others here I have a Hydra. It's been tried and tested by many here which is why I went with it.
I don't run the tunes from them, though I used to have the old gameboy type tuner. I wasn't keen on the shift strategy with that. I brought the CTS3 as a monitor and im having issues with it not reading PIDs now. Namely the main ones we all want to read like ICP, TFT etc.
I believe it's from an update they sent out as previously it worked fine and could read everything. Listor also had some issues with his CTS3 which I believe his is now sorted. I was also told by the Tech looking after me, there was or has been an issue with a certain chip inside the CTS3 which can upset the whole thing.
As for tunes, like most others here I have a Hydra. It's been tried and tested by many here which is why I went with it.
Fleet Mechanic
Joined: Sep 2011
Posts: 1,613
Likes: 106
From: Albuquerque
Bring it up with Edge. If they aren't told about issues nothing gets fixed. I have found their support to be quite good so far.
I don't run the tunes from them, though I used to have the old gameboy type tuner. I wasn't keen on the shift strategy with that. I brought the CTS3 as a monitor and im having issues with it not reading PIDs now. Namely the main ones we all want to read like ICP, TFT etc.
I believe it's from an update they sent out as previously it worked fine and could read everything. Listor also had some issues with his CTS3 which I believe his is now sorted. I was also told by the Tech looking after me, there was or has been an issue with a certain chip inside the CTS3 which can upset the whole thing.
As for tunes, like most others here I have a Hydra. It's been tried and tested by many here which is why I went with it.
I don't run the tunes from them, though I used to have the old gameboy type tuner. I wasn't keen on the shift strategy with that. I brought the CTS3 as a monitor and im having issues with it not reading PIDs now. Namely the main ones we all want to read like ICP, TFT etc.
I believe it's from an update they sent out as previously it worked fine and could read everything. Listor also had some issues with his CTS3 which I believe his is now sorted. I was also told by the Tech looking after me, there was or has been an issue with a certain chip inside the CTS3 which can upset the whole thing.
As for tunes, like most others here I have a Hydra. It's been tried and tested by many here which is why I went with it.
Lead Driver
Joined: Jul 2017
Posts: 6,854
Likes: 2,332
From: WV
x2 on calling Edge. Maybe they’ll have a workaround to get your truck back to stock. Alternatively you could take it to the dealer and have them flash the PCM. Or send the PCM to diesel tech (others have the exact name and link) for him to flash to stock.
Of course stock is too lazy for me so I’d probably rather deal with the CC issue than go that route!
Hydra only runs $250 from various vendors. Comes with free access to their stock injector tune library. PHP has some nice tunes in my opinion.
A couple site sponsors that sell them are Bitterroot and Riffraff.
Of course stock is too lazy for me so I’d probably rather deal with the CC issue than go that route!
Hydra only runs $250 from various vendors. Comes with free access to their stock injector tune library. PHP has some nice tunes in my opinion.
A couple site sponsors that sell them are Bitterroot and Riffraff.
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New User
Joined: Mar 2016
Posts: 13
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From: Dacono, CO
I will be ordering a Hydra within the next few days. I will return after install to let you know if it was the remedy. Thank you all again for the input!
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From: Dacono, CO
UPDATE: I have had the PHP Hydra with 1023 tunes installed for about two weeks. First off, HOLY COW!! The shifting is so smooth with these tunes. The cruise control is definitely much smoother and doesn't feel like it's trying to shatter my trans when using "ACCEL". However, and I'm not sure if this is a common issue, but over Thanksgiving I was driving on Route 70 in Colorado from Denver to Winter Park (No haul other than the family). On the inclines using cruise control, it would still do a hard acceleration if it dropped below set speed, reach higher than set speed, and then let up... continuing the cycle instead of finding a medium ground and constant acceleration to maintain a smooth speed. Is this asking too much with these steeper grade inclines? Or is there a component in the CC system I should be looking at that might be the cause? "Problems of a guy trying to make his 7.3 drive like a coupe!" Haha
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Fleet Mechanic
Joined: Aug 2010
Posts: 1,458
Likes: 156
From: Sedalia, CO
UPDATE: I have had the PHP Hydra with 1023 tunes installed for about two weeks. First off, HOLY COW!! The shifting is so smooth with these tunes. The cruise control is definitely much smoother and doesn't feel like it's trying to shatter my trans when using "ACCEL". However, and I'm not sure if this is a common issue, but over Thanksgiving I was driving on Route 70 in Colorado from Denver to Winter Park (No haul other than the family). On the inclines using cruise control, it would still do a hard acceleration if it dropped below set speed, reach higher than set speed, and then let up... continuing the cycle instead of finding a medium ground and constant acceleration to maintain a smooth speed. Is this asking too much with these steeper grade inclines? Or is there a component in the CC system I should be looking at that might be the cause? "Problems of a guy trying to make his 7.3 drive like a coupe!" Haha
Mark
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