ok the car is throwing a CEl for the 2nd o2 sensor and ive tryed the following to try and fix it with no sucsess



Put a Spark Plug Non Fouler

Filpped the down pipe around so sensor is after cat



i have an aftermarket Maniflod and Exhaust but the stock down pipe ill upload pics when i can so you can see my exhaust and get a better idea to try and help me fix my problem

 

Have you re-set the ECU so the computer can learn the new setup?

 

Have you tried a new sensor? They do go bad. I've replaced 2 in the last 5 years.

 

yes we did



its a brand new sensor



what were gonna try now is were gonna put one of those snap on resistors and see if that helps

 

ok take some pics of EXACTLY how its setup



if you cant do that



make me a ms paint diagram at least

 

I had a similar issue even though we only need one O2 sensor here, but after fitting extractors i kept getting a O2 cel so i changed fuel to a higher octane e.g 91RON to 95RON problem stopped.....

 

I don't see how changing the fuel would help but I'll try that too cause it's worth a shot while I'm waiting to use my buddies lift so I can put the resistors on and take pics of my set up to post. I would of had then up already by one it's to cold and two I don't have a jack that put my car high enough for me to get under it and my cars not even lowered lol

 

Put up those pics of the setup. so far I cannot tell what could be causing it.



Woo techno all day here too! Haha.

 

Just an update I have the pics I'll put the

up tonight when i get to a computer

 

ok here is my set up if you need more pics i can get them a i still need to change something that my dumb machanic did which ill explian with my pic





here is my header with O2 sensore on side







here is my down pipe i circled were the O2 sensore is i know it before that cat but thats what i have to fix im flipping it around so its after the cat. i did have it like this and it still through a CEL