Am I getting ripped off?

CHEVROLET S-10
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PARROTRUM00
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I have had some recent problems with my 99 chevy s10. I has 75000 miles on it and has a V-6 4.3. My check engine light has been coming on and going back off. When it goes on it stays solid(not blinking). Anyways, I took to the first mechanic and they said it was my cyclinders misfiring. I wasn't too happy with the way they were handeling things so I took it to a second mechanic to get it checked out. They said I needed a full tune up and my fuel injectors cleaned. I was expecting that information but was shocked when they added 15 more things to the list. One of the things they said was that all 3 of my oxygen sensors were burnt out. But wouldn't have the first mechanic picked up on that when the original diagnostic was ran? Also, the 2nd mechanic wanted to replace my PCV valve which was fine because the part was $16. The only thing I was upset about was the $300 labor fee they wanted to charge me for it. Is this a part I could reach and replace myself?Please help before I'm completely broke.

Thank you
Oct 11, 2007 at 12:33 PM
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CHEVY22
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hi
it was good to get the second opion but it may not have been a good one . although i dont know the exact circumstances what i do know is if you had multiple misfires this may cause raw fuel to enter the exhaust system which will cause harm to one or two 02 sensors . i have never seen all three go bad at once even in extreme conditions as far as the pcv valve just to prove a point it took me 32 seconds to change and that included opening the hood from the inside .
it may be you were misinformed about the 02 sensors by a not so informed shop hope this helps

jim
Oct 11, 2007 at 1:22 PM