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Code P0170 and P0173

I have a 2000 mitsubishi eclipse gt 3.0L V6. Service engine light is on and gives off codes P0170 and P0173. I dont know what caused it but i had a mechanic do a tune up replacing spark plugs and wires as well as putting in valve cover gaskets and since then the problem uprose. When reached at normal temp the engine revs up and down constantly. HELP!!!

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  • jose Jul 23, 2013

    so what your trying to say is that the oxygen sensors gone bad?

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1 Answer

The shop failed to do basic preventative maintenance
such as scan the systems,look at data & possibly road test
The vehicle is a 2000 year you ask about oxygen sensors
& when they were replaced & look at mileage They get changed
at 100,000 miles
You got idle issues
What happened there? They let that go also
Google any codes you get
OBD PO171 etc
I would find a different shop
Tune-Up is no more than spark plugs & that
is preventative maintenance
You don't do a tune-up for a problem
You do spark plugs every 3 years & then you know
when they were done last & proceed to diagnose the
drivabelity issues
These shops will do & sell what ever you ask & then some
to stay in business
They fail to really check your vehicle over completely
you can't install spark plugs & throw on wires you don't need
& expect that to do a thing as far as knowing how the vehicle
is operating.there electronically controlled & need those systems also

Posted on Jul 23, 2013

Testimonial: "So what your trying to say is that possibly the oxygen sensors gone bad? but all this happened after putting in new plugs and wires as well as a new back valve gasket."

  • Anonymous Jul 23, 2013

    I was referring to the shops asking you about oxygen sensors,not you asking them They just sold you what you asked Never checked a thing because they don't know how to sell,price or educate you & know people hate the shop to begin with

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