Here's my problem.
I've had code 09-01, and 10-01 for almost a year now I guess...
09-01 has been on and off, and now it's back on.
I've replace the front AND rear o2 sensor twice now... Brand new bosch plug and play.

I've put in new plugs, sea-foamed, cleaned IACV and everything...
I don't understand why it's still throwing these codes....
Is there a way that I can hard wire the o2 sensors into the ECU itself??
Or a way to check if it's the actual F'ing wiring harness????

Here are my symptoms:
The car will be running fine, then when I come to a stop and put it in neutral it'll start to idle really weak, dip down to about 300 rpm, and if I give it some gas it'll will try to stay alive, then die.
If I keep my foot on the gas it'll idle around 1500 or so but be really rough as well.

It's also bucked really hard while cruising in any gear.
Like the car will want to cut off then catch right back.
My gas mileage has also sucked.
I'm right at half a tank and i've only gone 132 miles and i've been babying it....

I'm getting seriously sick of this and i'm ready to take it to a shop, but theres nothing they can do that I already haven't.
Other than telling me I need a brand new wiring harness or some **** like that.

Any input will be appreciated!

Thanks,

Mike

0901
Diagnostic Trouble Code 0901 points to a problem with the Front Heated Oxygen Sensor, Right Bank. The right cylinder bank is also called the rear bank. It is cylinders 1,3,5.

The Front Heated Oxygen Sensors are installed in the Y-pipe, the part of the exhaust system which conveys exhaust gases from the exhaust manifolds to the Catalytic Converter. There is an Oxygen Sensor in each branch of the Y-pipe. These sensors produce a signal which varies with the concentration of oxygen in the exhaust gas, as compared to the outside air. This signal is sent to the Engine Control Module which uses it to control the fuel injection system.

DTC 0901 is detected when the current drawn by the heating element in the Oxygen Sensor is out of the normal range.
Possible causes include ...
- harness or connectors (the sensor circuit is open or shorted.)
- a defective Front Heated Oxygen Sensor (right bank).


The heated Oxygen Sensors have two components: a heating element and a sensing element. The heating element may be tested with an ordinary ohmmeter. This test is done with the engine off.

Follow the wires away from the Oxygen Sensor until you find the nearest electrical connector. Disconnect the connector. Viewed with the connector latch at the 12 o'clock position, there are three terminals. They are numbered 1-3, right to left. Be sure to measure the terminals in the connector half which is attached to the Oxygen Sensor, not the one which leads to the Engine Control Unit.

Measure the resistance between terminals 1 and 3.
The factory spec is 2.3-4.3 ohms at 77 degrees Fahrenheit.

Measure the resistance between terminals 1 and 2.
The reading should be infinity (no connection).

Measure the resistance between terminals 2 and 3.
The reading should be infinity (no connection).

If the resistance measurements are significantly different from the factory specifications the sensor is faulty and must be replaced.

If the resistance measurements meet the factory specifications the sensor may be good and the wiring is defective. You could exchange the two Front Heated Oxygen Sensors and reset the Engine Control Module. Then drive normally and expect the Malfunction Indicator Lamp to turn on again. If you still get DTC 0901 the wiring is faulty. If you get DTC 1001 the sensor is bad.