Question about 2005 Toyota Corolla

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Engine light is on, Toyota Corolla 140I, 2004

Fault code P1034 is coming up.
Please tell me what this fault code means

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  • Anonymous Mar 14, 2014

    ...my 96 toyota corolla can't stop, OBD 2 telling me communication error. What does that mean

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DTC P0134 OXYGEN SENSOR CIRCUIT NO ACTIVITY
DETECTED (BANK 1 SENSOR 1)

Posted on Mar 09, 2009

  • bad_dog1
    bad_dog1 Mar 09, 2009

    There is an issue with your oxygen sensor. Possibly an open or short leading to that sensor. The sensor it self could be bad however there is long list of possible reasons that don't include the sensor but things that effect it. hope this helps

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Corolla 140i 2004 won't start after a faulty engine was replaced with that of 160. Sensors of 140i are fitted all the instruments come on except for the amber light on the dash board


on Fixya you wont to learn swaps, really?
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Malfunction indicator lamp in my toyota corolla is on how i fix?


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Could mean there is one fault causing many faults, example, Air mass sensor, this can cause rough idle and over fuelling so the code reader will just send it back with undefined as there are to many faults to identify as the cause.

Most likely it will be a air fault so check the air sensor first, try cleaning it with carb cleaner, sometimes works. If not get back to me could be 2 other things. although the car will not drive very well if it is any of the other 2.

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i think your right about the dealer, the code reader will tell the mechanic what is sending the fault, for him to change the air flow meter then the wiring is bizzare as these are 2 major seperate items and the codes would tell him that. My suggestion, take it to a local mechanic who has a code reader to tell you what the fault is, most mechanics won't charge to have a look. Toyotas are usually a pretty reliable car. Hope this helps, Good luck

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In order to find out what the exact reason was for your light, You need to have your car computer scanned to retrieve the code that the computer would have stored when the light triggered. Most garages will do this free of charge. The code will tell you what may have caused the light to initially turn on.

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