Input on why AEM Air/Fuel won't read

[jk50b]

Alright so my AEM Air/Fuel gauge was working perfecting fine, but I had to let the car sit for about a month while I was waiting to do some work on the car with my external oil cooler and alternator. I finished the car and now my gauge will read right when I turn the car on, then the numbers rise and "- - -" nothing.. It won't read for the rest of the cars on, I need input please on what you guys think could be wrong, my check engine light is not on and the car seems to be running perfectly fine. I may have a small exhaust look at the manifold though.

 

[GSXgreen]

The sensor may need to be cleaned. I would call AEM to get their help.

 

[Dirtysquirrel]

The exhaust leak shouldn't effect the reading. Maybe check the connectors and inspect wiring for bare wires and stuff like that.

 

[lasershark]

then the numbers rise and "- - -" nothing.

Did you check the wire connector that is near the sensor?

 

[tmoney20g]

it's just an air/fuel gauge, or its a wideband ?

 

[WREKLESSRACR]

it's just an air/fuel gauge, or its a wideband ?

Wideband

try making a better ground, check wiring.

 

[tmoney20g]

exhaust leaks CAN have an impact on wideband readings.

also, aem digital wb's are the least favorite for dsm ecu's. go thru this post i made the other day and verify your settings:
http://www.dsmtuners.com/threads/air-fuel-est-and-wideband-not-line-up.497372/#post-153546017

 

[gofer]

The UEGO displays a "---" when it's off the charts lean (> 18.5:1), how's the car idling when it's reading "---"?

If the car's idling like there's nothing wrong with it then it's possible the sensor is bad or you've got an exhaust leak upstream from the sensor.