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2005 Kia Rio Base 4dr Sedan Manual

2005 Kia Rio
Trim Info:
Front Wheel Drive, 4dr Sedan, Sub-Compact
25 mpg city / 31 mpg hwy
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October 9, 2012, 7:11 am

Jennifer H

Question: cel on intermittently

75000 miles on this car. cel light comes on. car will not power up when pressing gas pedal to floor. this is what has been replaced. tps sensor, maf sensor, o2 bank one sensor. and the pcm. the dealer put in the pcm. and is still doing the same problem. this happens intermittently. the car will run fine for a few days and then will do this. then it will run good for a few more . then do it again. all sensors have been checked by dealer and they say they are good. i chcked codes and it is saying tps and 02 sensor which have been replaced. the dealer says they cant get it to do it with them. so now i am out 879 for a pcm and it still does it. what could it be.

October 11, 2012, 12:04 pm

Elizabeth K

An important diagnostic step is to watch the live readings from the O2 sensor and TPS sensor and see what they are doing. They may be responding accurately to another condition, and your situation is going to require some troubleshooting being done by a knowledgeable technician and not someone who is just going to through parts at the problem.

It doesn't sound like this dealership is doing thorough job of this, and going by the info you've provided, I recommend you find another shop. Here's a good article with some advice on your alternatives to dealership service:

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