2005 Rubicon RPM drop off when reving

[vacayooper]

When reving the engine by pedal or throttle body there is a drop off (almost stalls) at about 2600RPM. Seems to drive fine. Is there a rev limiter? Any thoughts on what air/ign/smog/electrical component could cause this?

 

[SteelHeadz]

Could be a flat spot on the TPS(Throttle position sensor).. The Rev limiter shouldn't kick on until you reach the red line on the tach.

 

[vacayooper]

Recently replaced the TPS. Just for information the vehicle has the following upgrades, Edge computer and throttle body, Banks Cold Air system, Banks Headers.

 

[SteelHeadz]

Have you tried testing it without the hot box?

 

[blue5]

Don't know about your Jeep,but on my Dodge pickup,while in neutral or park with no load on the engine,it cuts out around 3000.When in gear and driving,it tachs out at 5600.

 

[vacayooper]

I belive I did try it without the computer and it did the same thing, guess I'll remove one thing at a time until I find it.