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post #1 of 7 Old 04-02-2009, 05:00 PM Thread Starter
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Question staggers under load

greetings all! am having a strange issue. at highway speed (usually while pulling a long hill or passing) the pig staggers (temp loss of rpms and boost-split second duration- almost like the alternator or ac compressor is coming on) this is quite random, somedays more than others. just wondering if this is common or if something is starting to go bad? i usually drive with the chip on the higher settings (80 -120 hp). i have a six speed manual and this happens with the cruise control on. any feed back is appreciated and thanx in advance

2001 F250 crew cab long bed 4x4

Edge juice w/ attitude (for now)
ITP ported compressor housing
Volant cold air intake
Silverline 4'' turbo back exhaust
DB electrical HD starter and alternator
Stancor glow plug relay

Last edited by dlmiw75; 04-03-2009 at 01:37 PM. Reason: forgot stuff
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post #2 of 7 Old 04-05-2009, 03:28 PM
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Originally Posted by dlmiw75 View Post
greetings all! am having a strange issue. at highway speed (usually while pulling a long hill or passing) the pig staggers (temp loss of rpms and boost-split second duration- almost like the alternator or ac compressor is coming on) this is quite random, somedays more than others. just wondering if this is common or if something is starting to go bad? i usually drive with the chip on the higher settings (80 -120 hp). i have a six speed manual and this happens with the cruise control on. any feed back is appreciated and thanx in advance
It sounds like it's fuel related. Have you tried pulling any codes or performing a contrib test? I'd start here just to see if you can get any feedback.

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.

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post #3 of 7 Old 04-05-2009, 10:50 PM Thread Starter
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was afraid that might be the problem am saving pennies for the diagnostic software. for what it's worth i took a little road trip this weekend and tried different settings on the chip with the cruise on and off. it does it on every setting i tried and it doesn't matter if the cruise is set or not. interesting though it only does it between 7 and 7 3/4 pounds of boost. over or under and it didn't happen a single time. ideas?

2001 F250 crew cab long bed 4x4

Edge juice w/ attitude (for now)
ITP ported compressor housing
Volant cold air intake
Silverline 4'' turbo back exhaust
DB electrical HD starter and alternator
Stancor glow plug relay
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post #4 of 7 Old 04-06-2009, 12:33 PM
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Originally Posted by dlmiw75 View Post
was afraid that might be the problem am saving pennies for the diagnostic software. for what it's worth i took a little road trip this weekend and tried different settings on the chip with the cruise on and off. it does it on every setting i tried and it doesn't matter if the cruise is set or not. interesting though it only does it between 7 and 7 3/4 pounds of boost. over or under and it didn't happen a single time. ideas?
Have you tried disconnecting the Edge & taking it for a spin? If you've got any kind of driveability problem while you have a chip/tuner/programmer, you want to disconnect it & see if the problem persists to eliminate the Edge, or see if it's actually the problem. If all's well without the Edge, you've found the problem. If it continues, your next step is to pull codes & try a contribution test.

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.

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post #5 of 7 Old 04-06-2009, 02:13 PM Thread Starter
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will give that a try during the next turn on the highway and post results. thanx for the input.

2001 F250 crew cab long bed 4x4

Edge juice w/ attitude (for now)
ITP ported compressor housing
Volant cold air intake
Silverline 4'' turbo back exhaust
DB electrical HD starter and alternator
Stancor glow plug relay
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post #6 of 7 Old 08-01-2009, 01:14 PM Thread Starter
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allright, it's been awhile and i've been driving quite a bit. went into the settings and maxed out the low boost fuel adjustment on the chip. If it's not on the 120 hp setting and i'm not really pushing it the surge is gone. so... my guess is not enough fuel (maybe hpop pressure?) to support the chip in the higher settings. only diagnostics will tell. nough said for now.

2001 F250 crew cab long bed 4x4

Edge juice w/ attitude (for now)
ITP ported compressor housing
Volant cold air intake
Silverline 4'' turbo back exhaust
DB electrical HD starter and alternator
Stancor glow plug relay
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post #7 of 7 Old 08-01-2009, 05:20 PM
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Quote:
Originally Posted by dlmiw75 View Post
allright, it's been awhile and i've been driving quite a bit. went into the settings and maxed out the low boost fuel adjustment on the chip. If it's not on the 120 hp setting and i'm not really pushing it the surge is gone. so... my guess is not enough fuel (maybe hpop pressure?) to support the chip in the higher settings. only diagnostics will tell. nough said for now.
Are you sure you're not defueling? Do you have a boost fooler?

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.

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