Idle Surge

[mustangjoe02]

Just got done installing mac lts and wanted to hear what it sounded like with just the headers. well, after about a min it started to surge like it wanted to die out then go up to about 1100 rpms. so i shut it off. dont know whats wrong. someone help

 

[wmburns]

Check to see if the O2 pig tails have contacted the hot exhaust.

Not sure the MY of your car. If it's a 99-04 MY, check fuse F2.2 and F2.8 in the CJB (driver's kick panel).

 

[mustangjoe02]

i turned the egr off on my tuner. its all good now. thanks tho

 

[mustangjoe02]

just for s**** and giggles, do you exactly what fuses those are? i dont have the cover so i dont have the diagram

 

[wmburns]

99-04 BJB CJB fuse panel layout

For the 99-04 model year BJB and CJB fuse panel layouts, try this:

1999 Mustang GT with 01 motor swap, wont fire. Please help - Ford Mustang Forums