Diablosport problem! help!! - SRT Forums

matman2492 · 01-14-2013, 10:09 AM

so bought my diablosport predator and loaded the performance preloaded tune. when i started driving it the turbo was fluttering really bad so i dialed the boost back as far as it would go, any solutions to this? i can drive the car without it happening its just annoying when i wanna accelerate a little bit i get the flutter under 3.5k rpm. when i wanna drive her hard she doesnt flutter at all tho because the rpms are higher. any solutions or anyone else experience this?

Ratman · 01-14-2013, 10:20 AM

I had the same issue shortly after I uploaded the 93 tune. I fouled out one of my plugs. I put in some NGK LZTR6AIX-13 and problem gone. A lot of guys run these once you start increasing boost. Hope this helps.

silver_ek · 01-14-2013, 12:10 PM

so youre getting flutter when not in boost?

tunerlover3 · 01-14-2013, 12:14 PM

What mods do you have?

Have you done a proper boost leak test?

matman2492 · 01-15-2013, 08:22 AM

when im at low rpms and push down the pedal too far to start building boost the car with flutter, basically the rpms are too low to let the extra boost build so it gets thrown back out of the turbo

i have a cai, bfmic, stage 1 injectors not much really. i took my agp wastegate off to put the stock one back on becuz i heard it was better for the 93 tune

benspilk09 · 01-15-2013, 08:44 AM

Flooring it at low rpm will always make it flutter.

Even with the stock WGA

If you just had the AGP WGA on then try resetting the computer by unhooking the battery, the ECM may need to to re-learn with the stock one.

Crazyced · 01-15-2013, 11:28 AM

Quote: Originally Posted by matman2492

when im at low rpms and push down the pedal too far to start building boost the car with flutter, basically the rpms are too low to let the extra boost build so it gets thrown back out of the turbo

i have a cai, bfmic, stage 1 injectors not much really. i took my agp wastegate off to put the stock one back on becuz i heard it was better for the 93 tune

As previously said, once you are back on stock WGA on solenoid, reset the PCM by unplugging the battery for a couple of minutes then flash the 93 tune back on. The try not to go WOT much before 3000rpm.

matman2492 · 01-24-2013, 10:13 AM

so its will always flutter after i tune it? it didnt before the tune so i feel like it shouldnt after, not like i have a bigger turbo on. Ill try and reset the car again but i already did to load the tune. if i put the agp wastegate back on is that going to stop the flutter becuz the wga is controlling the boost then not the computer?

**underSRTarmor** · 01-24-2013, 11:02 AM

its compresser surge....

it can destroy the turbo and engine don't go wot before 3k on stock turbo...

Crazyced · 01-24-2013, 11:14 AM

Quote: Originally Posted by underSRTarmor

its compresser surge....

it can destroy the turbo and engin. got go wot before 3k on stock turbo...

He claims he didn't have that before the tune, which is odd.

**underSRTarmor** · 01-24-2013, 11:27 AM

Check plugs.

If you run the 4306 they should be changed every other oil change. They cheap and wear out kinda quick.

Sent from

tunerlover3 · 01-24-2013, 07:08 PM

Putting the AGP on will make the fluttering worse.

Do a boost leak test and make sure you have no vacuum/boost leaks first.

DiabloMike · 01-25-2013, 09:21 AM

Quote: Originally Posted by Crazyced

He claims he didn't have that before the tune, which is odd.

does not sound like a tune related issue....

01-14-2013, 10:09 AM	#1 (permalink)
matman2492 SRTforums Member Join Date: Oct 2012 Member Number: 91147 Location: Wisconsin Posts: 55	Diablosport problem! help!! so bought my diablosport predator and loaded the performance preloaded tune. when i started driving it the turbo was fluttering really bad so i dialed the boost back as far as it would go, any solutions to this? i can drive the car without it happening its just annoying when i wanna accelerate a little bit i get the flutter under 3.5k rpm. when i wanna drive her hard she doesnt flutter at all tho because the rpms are higher. any solutions or anyone else experience this?

01-14-2013, 10:20 AM	#2 (permalink)
Ratman SRTforums Member Join Date: Feb 2011 Member Number: 83208 Location: Mad Heights, MI Posts: 89	I had the same issue shortly after I uploaded the 93 tune. I fouled out one of my plugs. I put in some NGK LZTR6AIX-13 and problem gone. A lot of guys run these once you start increasing boost. Hope this helps. __________________ *Ratman Racing*

01-14-2013, 12:10 PM	#3 (permalink)
silver_ek SRTforums Member Join Date: Jan 2008 Member Number: 60962 Location: texas Posts: 2,061	so youre getting flutter when not in boost? __________________ "Duster360 knows his $hit"

01-14-2013, 12:14 PM	#4 (permalink)
tunerlover3 Fresh Meat Moderator Join Date: Dec 2009 Member Number: 76568 Location: Chicago Posts: 16,617	What mods do you have? Have you done a proper boost leak test? __________________ Diablo CMR tuner ~Dan~ 2004 Black Neon SRT4: E85 stock turbo SOLD 310HP 436TQ 2004 Eblue Neon SRT4: E85 5558 XXXHP XXXTQ

01-15-2013, 08:44 AM	#6 (permalink)
benspilk09 SRTforums Member Join Date: Mar 2012 Member Number: 88421 Location: Missouri Posts: 580	Flooring it at low rpm will always make it flutter. Even with the stock WGA If you just had the AGP WGA on then try resetting the computer by unhooking the battery, the ECM may need to to re-learn with the stock one. __________________ Last edited by benspilk09; 01-15-2013 at 08:46 AM.

01-15-2013, 08:22 AM	#5 (permalink)
matman2492 SRTforums Member Join Date: Oct 2012 Member Number: 91147 Location: Wisconsin Posts: 55	when im at low rpms and push down the pedal too far to start building boost the car with flutter, basically the rpms are too low to let the extra boost build so it gets thrown back out of the turbo i have a cai, bfmic, stage 1 injectors not much really. i took my agp wastegate off to put the stock one back on becuz i heard it was better for the 93 tune

01-15-2013, 11:28 AM	#7 (permalink)
Crazyced SRTforums Member Join Date: Aug 2007 Member Number: 56385 Location: Ont Posts: 3,370	Quote: Originally Posted by matman2492 when im at low rpms and push down the pedal too far to start building boost the car with flutter, basically the rpms are too low to let the extra boost build so it gets thrown back out of the turbo i have a cai, bfmic, stage 1 injectors not much really. i took my agp wastegate off to put the stock one back on becuz i heard it was better for the 93 tune As previously said, once you are back on stock WGA on solenoid, reset the PCM by unplugging the battery for a couple of minutes then flash the 93 tune back on. The try not to go WOT much before 3000rpm.

01-24-2013, 10:13 AM	#8 (permalink)
matman2492 SRTforums Member Join Date: Oct 2012 Member Number: 91147 Location: Wisconsin Posts: 55	so its will always flutter after i tune it? it didnt before the tune so i feel like it shouldnt after, not like i have a bigger turbo on. Ill try and reset the car again but i already did to load the tune. if i put the agp wastegate back on is that going to stop the flutter becuz the wga is controlling the boost then not the computer?

01-24-2013, 11:02 AM	#9 (permalink)
underSRTarmor Premium Member (Lifetime) SRT of the Month Join Date: Aug 2005 Member Number: 32888 Location: N. La/ E. Tx Posts: 7,683	its compresser surge.... it can destroy the turbo and engine don't go wot before 3k on stock turbo... __________________ • MyBuild Thread • Duster360 Track Times List • PTE 5831 info • MAP Sensor info TUNED by DUSTER360 PTE 5831 11.19 @125.65 1.64 60ft 27 psi ^^^all clickable Last edited by underSRTarmor; 01-24-2013 at 11:26 AM.

01-24-2013, 11:14 AM	#10 (permalink)
Crazyced SRTforums Member Join Date: Aug 2007 Member Number: 56385 Location: Ont Posts: 3,370	Quote: Originally Posted by underSRTarmor its compresser surge.... it can destroy the turbo and engin. got go wot before 3k on stock turbo... He claims he didn't have that before the tune, which is odd.

01-24-2013, 11:27 AM	#11 (permalink)
underSRTarmor Premium Member (Lifetime) SRT of the Month Join Date: Aug 2005 Member Number: 32888 Location: N. La/ E. Tx Posts: 7,683	Diablosport problem! help!! Check plugs. If you run the 4306 they should be changed every other oil change. They cheap and wear out kinda quick. Sent from __________________ • MyBuild Thread • Duster360 Track Times List • PTE 5831 info • MAP Sensor info TUNED by DUSTER360 PTE 5831 11.19 @125.65 1.64 60ft 27 psi ^^^all clickable

01-24-2013, 07:08 PM	#12 (permalink)
tunerlover3 Fresh Meat Moderator Join Date: Dec 2009 Member Number: 76568 Location: Chicago Posts: 16,617	Putting the AGP on will make the fluttering worse. Do a boost leak test and make sure you have no vacuum/boost leaks first. __________________ Diablo CMR tuner ~Dan~ 2004 Black Neon SRT4: E85 stock turbo SOLD 310HP 436TQ 2004 Eblue Neon SRT4: E85 5558 XXXHP XXXTQ

01-25-2013, 09:21 AM	#13 (permalink)
DiabloMike SRTforums Member Join Date: May 2009 Member Number: 73161 Location: so fla Posts: 554	Quote: Originally Posted by Crazyced He claims he didn't have that before the tune, which is odd. does not sound like a tune related issue.... __________________ Visit our tech forums Check out the Trinity!

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