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post #1 of 10 (permalink) Old 01-19-2013, 01:15 PM Thread Starter
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Sensors!

hey i have a 2007 chevy cobalt ls 2.2 5 speed.
it has 116,345 miles what sensors would be gd to change out since its over 100,000 miles??
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post #2 of 10 (permalink) Old 01-19-2013, 03:48 PM
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None if they're all working.

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post #3 of 10 (permalink) Old 01-20-2013, 11:12 AM Thread Starter
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ok im averaging 30 MPG any way i can up that?
i run 89 octain also im basicly driving highway..
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post #4 of 10 (permalink) Old 01-20-2013, 07:47 PM
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You don't need to run 89. You could replace some gaskets, clean your throttle body and get a k&n drop in filter, run some injector cleaner, seafoam your intake. All that is cheap and if it doesn't add any mpgs, it'll at least clean everything out

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post #5 of 10 (permalink) Old 01-20-2013, 08:16 PM
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Re: Sensors!

Plus its winter. If you are doing any city that's about right. 34 with mostly hwy was what I was getting stock.


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post #6 of 10 (permalink) Old 01-20-2013, 09:50 PM
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Just make sure you're doing general maintenance: air filters, fuel filter, plugs, etc, etc.

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post #7 of 10 (permalink) Old 01-26-2013, 12:54 PM Thread Starter
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ok thanks for the info!
but why not run 89?
87 to seems cheap and doesnt last long...
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post #8 of 10 (permalink) Old 01-26-2013, 12:58 PM
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Re: Sensors!

You should notice a mpg difference with 87 compared to the 89 you're running now

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post #9 of 10 (permalink) Old 01-27-2013, 01:57 PM Thread Starter
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yes i most curtainly do..
another random question?
do all fuel pumps on my type of car shuts off at 112 MPH?
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post #10 of 10 (permalink) Old 01-27-2013, 02:05 PM
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Quote:
Originally Posted by Macky91 View Post
yes i most curtainly do..
another random question?
do all fuel pumps on my type of car shuts off at 112 MPH?
This engine cut-off is set according to tires that come standard with the car. Tire speed rating is the criteria here for top speed cut-off.

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