Well about a month ago, my cars CEL came on. Some were caused by me taking out the second 02 sensor for a wideband, popped that back in, and cleared the CELs. Went the other day and bought a code reader since its been on and I got tired of driving to and fro. The car drives horribly sluggish when first started, basically anything over a quarter throttle drowns it out.

This all happened after about a month of my turbo install, I'm assuming the boost had to do with it. I drive trying to stay out of boost as much as possible, but it being a 14b and quick spool time, its hard to, and once I start building boost I back off. Anyway, heres the codes:

p0108- Manifold Absolute pressure
p0132- Oxygen sensor high voltage, bank 1 sensor 1
p0030- Heated oxygen sensor heater control
p0112- intake air temperature sensor, low circut input

When I checked the obd2 status or whichever that is in the scanner, it read the intake temp as -40F. It was this way when I went to my tuner when he wanted to check the codes. He also said the O2 codes could be thrown since I don't have a cat. anymore, and a 02 spacer may help. Unfortunately, I am still running untuned, since their dyno is still down after them frying it, and I don't have a wiring schematic of my car to wire the AEM FIC. Since my car is MAP based, is the IAT sensor in the sensor, or is it somewhere else? I've tried about 4 map sensors, and it hasn't helped. I'm going to check the wires tomorrow, but I'm not sure where to go from here. Also, souelfuel racing sells a 2bar map sensor, would that help any, or would it make it worse? Thanks for any help!!

 

when you wired the FIC did you add the resistors to the o2 sensor wiring?

how do you have the MAF setup?

what did you do with the intake temp sensor?

all things concidered, and sight unseen, i doubt any of those codes are for not having a cat usually you get a p0420 or a rear o2 sensor code

the o2 sensor codes your throwing are pre-cat

 

I haven't wired the FIC yet, I didn't want to start splicing wires without knowing for sure thats what they were for, as I don't have a pin out of the ecu, Ive looked but yet to find one.

My car has a MAP sensor, it isn't MAF based, as its an 02 Accent.

Thats the thing, I don't know where the IAT sensor is, and I'm not sure if its in the map sensor.

Should I try buying a new 02 sensor for the front, I DID extend the wires for it, as its on the other side of the harness, I made sure not to mess the wires up by snipping and extending one at a time.

 

Checking on hmaservice:

your IAT is a part of your MAP. Here's an image showing where it's at:




And here's a troubleshooting guide that you can use to determine if your map/iat sensor is working properly:

 

When I see a bunch of engine codes on a car with an aftermarket turbo, first thing I look for is cooked wires. Turbos create alot of extra heat. Make sure none of your harnesses are near your exhaust or manifold.