Idle issues

[dsgdrew]

New to the forumn but ive been having terrible luck with my mach ever since ive owned it basically everytime i fix something another thing unrelated breaks, now my car runs perfectly fine but its now idling around 500rpms but the car doesnt drive terribly. Mods to the car are jlt ram intake, pypes o/r x , stinger mufflers, and a bama tune. Then i just replaced the iac, cleaned the throttle body, and replaced every dryrotted hose in the engine bay. Car does have an evap leak code but it had that before and it ran okay

 

[BLKFOX]

500rpm is a little low, not awful, but lower than what it was from the factory. Does it sound like it's idling smoothly? Or does it sound like it's "missing"?

 

[dsgdrew]

500rpm is a little low, not awful, but lower than what it was from the factory. Does it sound like it's idling smoothly? Or does it sound like it's "missing"?

Its not smooth but its not really missing either

 

[dsgdrew]

Now the car doesnt even wanna crank up

 

[Mattstang04]

Have you tried setting the tune back to stock? Could be a box tune issue. Or a vacuum leak.

 

[Serge]

check your TPS sensor mine did the same bad idle but the car drive good. change TPS or need to get adjustment there a youtube video how to adjust the tps sensor on the mustang

 

[Murderous_Mach]

It might sound crazy, but mine was getting around that condition & I replaced my fuel filter & she runs smooth now. Couldn't even blow through the filter after I took it out.

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