Question about 2001 Toyota MR2 Spyder

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My check engine light is on. The dealer said that three sensors need to be replaced (I think one for fuel but don't know what the others are for) They want over $1000 to replace three sensors. The car runs fine. Does this sound way to high for a car that has a book value of $7000?

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  • akasabian Sep 30, 2009

    I just got the paper from my wife. It appears that they want to replace three oxygen sensors
    two of 17180 and one of 17201. There is no way that I will be able to do it myself. What would be a reasonable price and do you know any good service centers in New York? I thought $1000 was too much. They quoted $600 for the sensors and 4-5 hours of labor.

  • akasabian Sep 30, 2009

    The bums also charged me $107 to check out the car and did not give me the codes. I am MAD. They did not diagnose anything else, just told me that the three sensors needed changing and they needed to be changed and this would cost me about $1000

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What I would do first is take the car to the local Autozone. They will run the codes for free for you. Also, they will tell you what the codes are, what needs replaced and tell you how important they are. Your fuel sensor could be as easy as a loose gas cap. The others I can answer for you if you give me the codes they pulled or tell me what sensors they are talking about. My guess would be O2 sensor which would make sense if one of them was gas related. Also, yes 1000 is very high to replace sensors that may only cost a total of 200 to purchase "over the counter". 800 seems like too much for labor that should take 2 hours at the most, again, depending on what sensors.

Posted on Sep 30, 2009

  • Matthew Boulden Sep 30, 2009

    Did they diagnose for any other problems? O2 sensors are very easy to change and replace, but they are the most oversold autopart. Simply replacing them usually does not fix the problem that caused them to throw the code in the first place. It does not take 4-5 hours to change O2 sensors, they are all located on your exhaust system. There are normally only 4, two before the catalytic converters and two after, they read the oxygen fuel mixture after it is burned in the motor. If the reading is too high or low the sensor throws a code to the computer causing the check engine light. I do not know any service centers in New York, I am in Indiana, but I would call around, possibly check at exhaust shops like Midas to see what they would charge you if you do not feel comfortable doing it yourself.

  • Matthew Boulden Sep 30, 2009

    Sounds like a dealer. Aside from Autozone, there is O-riely auto parts, Advance auto parts, NAPA and Pep Boys that will run the check engine light for free. Pep boys will also work on the car for you, I am not sure of the prices, but I am sure they are less than the dealer.

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Depending on what sensor it is. Most of the sensors on this car are pretty much replaceable on your own. Almost all of them are available in aftermarket replacements. Can you recall what parts they said you needed.

Posted on Sep 30, 2009

  • william moody Oct 01, 2009

    I would not pay more than $600 dollars for the whole job. The labor to change an oxygen sensor is less than or up to a 1/2 hour a piece and that is factory standard being a past toyota technician. You can purchase the oxygen sensors after market for about $75-$100 a piece for direct fit sensors never purchase universal sensors. The reasons I say no universals is because you have to cut the plug off of your old one and wire it to the new one and they never work correctly. You can do this job yourself and save the labor charges. They are easy to change all you need is a 7/8 wrench or an oxygen sensor socket that can be purchased at any parts house for about $15 and a 3/8 ratchet. Disconnect the negative battery cable and unplug each of the sensors that need to be changed use the wrench or socket to unscrew the sensors out of the exhaust. The parts house can use the codes that were given to you and tell you what sensor it is and where exactly it is located. You can do this job in about an hour or two with no technical abilities at all.

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Peter. The dealer did diagnose the problem. They said the car needed all 3 oxygen sensors replaced. They were replaced and the car is now returning codes p0172 and p0175 which are the only 2 codes coming up when the check engine light came on. My question is if the dealer sold me the incorrect oxygen sensors could this cause the computer to incorrectly set the p0172 and p0175 rich fuel mixture codes. There are no other codes coming up. My plan at this point is to check and clean the MAF, check my fuel pressure, and also the TPS but I did not want to waste my time if it could possibly be that the new oxygen sensors where the problem. Any help would be appreciated.

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You now know the sensors were not the problem before, and still aren't.
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