I was out driving today and i came up to a stop sign and my A/f ratio was up to 17 then i got over to my friends house turned it off and then restarted it it was doing the same thing but would go start at 16.0 up to 19.3. This is only at idle when this happens. When I am driving it says in the 14.5- 15.5 with partial throttle which is normal. When I boost it goes to 11.7 which is normal.
I checked the resistors they were all good.
The plugs all look good.
I checked the wide band with brake fluid and it worked.
I cannot find any vacuum leeks.
It ran good the last time i drove it last week no problems.
I have drove around just under 5000 miles on this motor and tune.

This is in my Acura Integra
gsr block 81.5mm
sc61-1 turbo full race manifold
Precision 880cc injectors
walbro fuel pump
aem ems
aem serial guage
aem uego


Please help with advise or where to start
Thanks

 

does it run any different? could be your sensor going bad.

 

no the car seems to be running fine i checked the o2 sensor and it is working properly

 

Weather charges IE intake temp will change the tune somewhat. Go into the aem software and adjust intake temp corrections table as needed at idle only. you say your a/f are good in part throttle and wot so only adjust idle corrections

 

I have seen a air leak in the ex before the o2 do that so check that.

 

I have a different type of question I am thinking bout buying a 94 integra gsr and the problem with it is that the tach, speedometer and gas guage dont work on the dash what cud the problem be