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  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SN95 4.6L Mustang Tech

Car has no throttle, need help

  • Thread starter Thread starter mat82284
  • Start date Start date Jan 8, 2009
M

mat82284

Member
Jul 31, 2003
889
1
16
Jan 8, 2009
#1
  • Jan 8, 2009
  • #1
I recently took off my Saleen Supercharger because i sold it, to make room for my new vortech . After i put all stock parts back on the car, the car idles and seems like its doing good, but when i drive it there is a huge hesitation before any power is produced, The car feels slower than a 1990 honda civic. When idling it revs up just fine, AC, Heater blows fine. I double checked for any vacuum leaks and found none. I used my old intake gaskets and im wondering if this could have made an intake leak, but i would assume that my heater would blow air from the top instead of the front when there is a vacuum leak.. im completely lost. I also have my spark plugs at .33 for my supercharger and a focus pump running on the stock tune. Could spark plugs cause this?
 
M

mat82284

Member
Jul 31, 2003
889
1
16
Jan 8, 2009
#2
  • Jan 8, 2009
  • #2
I changed the spark plugs, swapped my egr valve and still no WOT. I cant go WOT at all, it drives, idles good, but as soon as i hit the gas for WOT it doesnt work. Anyone know what could cause this?
 

tag4car

Member
Nov 21, 2005
0
0
16
Birmingham AL
Jan 8, 2009
#3
  • Jan 8, 2009
  • #3
seems like it might be choking on fuel, how was your tps setup on the blower? it's dumb but you did de-tune it, right?
 
M

mat82284

Member
Jul 31, 2003
889
1
16
Jan 8, 2009
#4
  • Jan 8, 2009
  • #4
tag4car said:
seems like it might be choking on fuel, how was your tps setup on the blower? it's dumb but you did de-tune it, right?
Click to expand...

Yeah, im running the stock tune. The only thing left in the car is the SVT focus pump, would this cause that issue? I thought you could run the pump on a stock car?
 

BlownFiveLiter

have car, will race....wait, it doesn't run
15 Year Member
Nov 29, 1999
3,133
18
108
Chicagoland
Jan 8, 2009
#5
  • Jan 8, 2009
  • #5
You're also back to the stock MAF, correct?
 

Slow35th

New Member
Dec 14, 2008
37
1
0
Jan 9, 2009
#6
  • Jan 9, 2009
  • #6
mat82284 said:
Yeah, im running the stock tune. The only thing left in the car is the SVT focus pump, would this cause that issue? I thought you could run the pump on a stock car?
Click to expand...

i have one in my n/a car
 
M

mat82284

Member
Jul 31, 2003
889
1
16
Jan 9, 2009
#7
  • Jan 9, 2009
  • #7
Slow35th said:
i have one in my n/a car
Click to expand...

Is your car tuned for it or just in there. I guess that would defeat the purpose if its tuned though. I'm just wondering if somehow its getting to much fuel? but it seems like its not getting enough. Maybe i have a bad pump and it decided to crap out on me at the wrong time.

StangGT1995 said:
You're also back to the stock MAF, correct?
Click to expand...

Yup stock everything, maf and all.
 
M

mat82284

Member
Jul 31, 2003
889
1
16
Jan 9, 2009
#8
  • Jan 9, 2009
  • #8
I decided to data log a little, Here is my driving from the gas station to my house (only 1 block) Right where the lines start to jump is when i tried to go WOT but didnt go. Does anyone undrstand this graph?
 
J

jprovence

New Member
May 20, 2007
195
0
0
Albany, OR
Jan 9, 2009
#9
  • Jan 9, 2009
  • #9
can we get the actuall datalog file?
 

trinity_gt

10 Year Member
Jan 31, 2003
3,125
81
99
Canada
Jan 9, 2009
#10
  • Jan 9, 2009
  • #10
mat82284 said:
Yup stock everything, maf and all.
Click to expand...

Not to beat a dead horse but ... the stock 19# injectors too?
 
M

mat82284

Member
Jul 31, 2003
889
1
16
Jan 9, 2009
#11
  • Jan 9, 2009
  • #11
trinity_gt said:
Not to beat a dead horse but ... the stock 19# injectors too?
Click to expand...

Just wanted to let everyone know, I put the 42's back on and threw my supercharger tune back on and the car runs perfect. So what i figured out is the SVT focus pump will not run on a stock tune. So for future notes, anyone that is looking to upgrade to a bigger pump, dont do it, unless you get the car tuned.
 

Stark77

Member
Jun 11, 2008
501
0
16
Tallahassee, FL
Jan 10, 2009
#12
  • Jan 10, 2009
  • #12
Are you selling the Saleen unit?
 
M

mat82284

Member
Jul 31, 2003
889
1
16
Jan 10, 2009
#13
  • Jan 10, 2009
  • #13
Stark77 said:
Are you selling the Saleen unit?
Click to expand...

I actually already sold it on ebay.
 
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