2002 Nissan Sentra Having Service Engine Soon Light On Took Car 3 Stations Them

2002 NISSAN SENTRA
80 MILES
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i am having service engine soon light on.I took the car to 3 service stations but all of them said to repair different parts. The charges differed a lot among them. Some said to change rear O2 sensor for $200 and some asked me $350 for that(O2 sensor). Some of my frns suggesed me to take it to SEARS and i took it.A guy gave me the codes like po600, po430 and po128 and told me to take it to nissan showroom. I got this car before a month frm a friend.suggest me what i have to do now.Zip 05401.
Jan 29, 2013 at 12:47 AM
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ASEMASTER6371
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the 600 is a trans code.

the 430 is a failed cat converter.

the 128 is commonly a bad thermostat.

prices will vary according to areas. it is your choice whether to repair it or not. i would go to a shop and have them give you a detailed estimate of needed repairs and get back to us

Roy
Jan 29, 2013 at 12:52 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.