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Wastegate actuator problems

 
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  #1 (permalink)  
Old 06 Feb 2009, 06:55 pm
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Join Date: Oct 2008
Location: Marion OH, Lakeview MI on the weekends
Posts: 13
Default Wastegate actuator problems

Ive installed an aftermarket actuator and changed the vacuum lines for the controller, but now my cruiser cuts out if it boosts above 11psi....doesnt stall just cuts out for a second then comes right back. Havent been driving it much here in michigan as for the roads have been bad.. A friend took it down to GR today and called me, now its not shifting properly and sometimes not at all.. Plus she told me its cutting out even more than usual. Not even sure the tranny is related to other problem but im curious as to what everyones thoughts are on this

Thanks

Quanah
03' GT auto-stick, AGP Wastegate Actuator, mopar BOV everything else still stock
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Old 10 Feb 2009, 10:18 am
nevinsrt's Avatar
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Join Date: May 2008
Location: Albuquerque, NM
Posts: 383
Default Re: Wastegate actuator problems

your WGA, what did you exactly do to the vacume lines??

did you route it from the back of the turbo to the WGA?
or did you just reconnect it?
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Nevin.
03 SRT-4 132k mi ported stocker and lots of other stuff

68 Mustang Coupe project fail!!

PT Less - ex wife took in the divorce 3/2011
05 GT Cruiser H.O. last dyno 245hp/283tq @ 15psi OCT 08
3 in intake, Stage 1 PCM, Stage 2 WGA, ported turbo@21psi, 682cc, 160 deg T-stat, Check valve, Ngk 4306 plugs, 10mm spark plug wires, 3in O2, 3in DP, 3in Y-pipe with E-cutout, 2.5 in catback exhaust, upper/lower hardpipes, HKS SSQ bov, block off plate, Energy Suspention MM inserts, NSRT hawk HPS front/rear pads, NSRT Drilled/slotted rotors, NSRT steel braded front lines, Mopar 26mm Swaybar, NSRT energy suspention swaybar bushing, NSRT energy suspention swaybar endlinks, APC Non-turbo strut bar, Black housing headlights, Tinted rear tail lights, Schroth 4 point harness, Perrin catchcan, 3 pod a-piller, boost guage 30/30, oil pressure gauge, volt gauge
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Old 10 Feb 2009, 06:16 pm
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Default Re: Wastegate actuator problems

Thats exactly what i did...rerouted from the turbo to the WGA.....bypassing the stock setup.....
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Old 10 Feb 2009, 06:21 pm
nevinsrt's Avatar
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Join Date: May 2008
Location: Albuquerque, NM
Posts: 383
Default Re: Wastegate actuator problems

heres a test put it back on the stock WGA and hook up the stock lines see if it fixes the problem if it does then its the WGA if it doesnt than its something else.

also have you check your plugs and wires?
have you boostleak tested?
are all your other vacume lines connected?
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Nevin.
03 SRT-4 132k mi ported stocker and lots of other stuff

68 Mustang Coupe project fail!!

PT Less - ex wife took in the divorce 3/2011
05 GT Cruiser H.O. last dyno 245hp/283tq @ 15psi OCT 08
3 in intake, Stage 1 PCM, Stage 2 WGA, ported turbo@21psi, 682cc, 160 deg T-stat, Check valve, Ngk 4306 plugs, 10mm spark plug wires, 3in O2, 3in DP, 3in Y-pipe with E-cutout, 2.5 in catback exhaust, upper/lower hardpipes, HKS SSQ bov, block off plate, Energy Suspention MM inserts, NSRT hawk HPS front/rear pads, NSRT Drilled/slotted rotors, NSRT steel braded front lines, Mopar 26mm Swaybar, NSRT energy suspention swaybar bushing, NSRT energy suspention swaybar endlinks, APC Non-turbo strut bar, Black housing headlights, Tinted rear tail lights, Schroth 4 point harness, Perrin catchcan, 3 pod a-piller, boost guage 30/30, oil pressure gauge, volt gauge
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Old 10 Feb 2009, 06:27 pm
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Join Date: Oct 2008
Location: Marion OH, Lakeview MI on the weekends
Posts: 13
Default Re: Wastegate actuator problems

thanks for the input.....all the other lines are fine, ill try the test first then maybe just go back to the stock WGA for now..... Thinking about selling the cruiser anyways..... Not sure what ill replace it with, but i really dont drive it but like 5 miles a week when im home....
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Old 14 Feb 2009, 02:16 pm
ChefTank's Avatar
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Join Date: Jul 2008
Location: huntsvegas AL
Posts: 262
Default Re: Wastegate actuator problems

your having a huge PTB problem (part throttle boost) the AGP WGA leaves the boost up to the PCM but it is a more aggressive curve. you need to take the boost away from the PCM if you insist on running the AGP. you also should atleast be running the S1. The 41TE (yours) doesn't like the wga, pcm combo. If you want to run a wga look for a S2, it is pcm contorlled and less aggressive.

Moral of the story= if you run the AGP w/ an auto, you need to manage the boost away from the pcm (boost controller etc.) and spend a good amount of time "tuning it". Start at NO preload and go from there. Even at that it will take your PT 100 miles or so to get used to the change. That is why they say we have a "learning PCM"


Josh
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