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  • 1996 - 2004 SN95 Mustang -General/Talk-

dies at idol when put in park

  • Thread starter Thread starter 02svt
  • Start date Start date Aug 3, 2019
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02svt

New Member
Aug 3, 2019
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Jasper, al
Aug 3, 2019
#1
  • Aug 3, 2019
  • #1
first off im new to the forum.and thanks in advance for all help. 2002 mustang gt BBK cai BBk 75 mm throttle body, cams, 75 lb injectors, 300 stall converter, 4.10 gears, cat delete, h pipe, shift kit, and sct tuner. with that being said this is my first car I have to tune I have a 93 street tune in it with changes in gear ratio I have idol driving set at 980 at idol at 560. shift pressure up 2 percent. the issue im having I cant get the car to idol at 900 and I just got the idol at stop down but now if I pull up to a store or home put it in park it dies but if I crank it back up runs fine andf idols correct.any info would be a[ppreciated I know nothing mjuch at tuning and could someone help with shift points wot
 

wmburns

SN Certified Technician
Aug 14, 2009
5,892
514
204
Houston Texas
Aug 4, 2019
#2
  • Aug 4, 2019
  • #2
IF you are attempting to adjust the idle by turning the idle stop set screw on the throttle body, this is part of the problem.

Here's some information that may help. IMO you need to start with the functional test of the IAC valve.

Troubleshoot IAC idle problems 1996-2004

Troubleshoot IAC idle problems 1996-2004

Back to the basics. Check for blown fuses. Especially fuse F2.2 and F2.8 in the Central Junction Box (CJB 1999-2004 MY). Confirm key on power using a known good ground. 1999-2004 MY fuse panel schedule...
www.stangnet.com
 
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