I checked the check engine light codes and I came up with P1157 and P1158. Does this have to do with my o2 sensor? The car still runs fine but i wanna fix the problem!

 

Have you tried clearing the codes with an OBDII scanner to see if they come back?

Autozone stopped renting them in CA. but you still may be able to rent them in FL.

 

Is it in limp mode?

 

i did use the tool to clear it but it came back in a matter of seconds. what is limp mode? the car is not running funny in n e way shape or form if thats what u mean.

 

Limp mode is when the ecu limits the engines operation but still allows you to drive.

P1157 Air/Fuel Ratio (A/F) Sensor (Sensor 1) Range/Performance Problem
P1158 Air/Fuel Ratio (A/F) Sensor (Sensor 1) AFS- Terminal Low Voltage

How has your gas mileage been?

EP3 / DC5? If it even matters.

In the EP3 manual it states that both sensors should read:
.1-.9v at idle



Modified by _BEN_ at 6:44 PM 8/8/2008

 

i have notice that my car has been drinkin alot of gas lately but the car doesnt seem to be being held back performance wise. its a dc5 by the way. where r these sensors located and how do i fix my problem?

 

Your front O2 sensor is probably shot..
How many miles are on your car 50~75k? They go bad after a while. Or if you run harsh additives, leaded race fuel.....


#25 and #27
I think 25 (the front one) is the one that governs a/f ratios. That would explain increased fuel consumption.

http://www.acuraautomotivepart...ormal

Check/price
http://www.sparkplugs.com and other places that sell oem parts for the best price. I would cross reference part numbers to see if a "honda" part would be chaper than "acura".



Modified by _BEN_ at 3:44 PM 8/9/2008

 

i was told the same thing from another person that it is my front o2 sensor. this just confirmed it. and they told me the same thing that front one controls the a/f ratio. i will change it and let u guys know what happens. thanks!