Recent content by Allie7

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    P2176 code

    My 2010 LT cobalt with 148k miles has given me the "engine power reduced" message twice in the past couple weeks. The car shakes a lot and won't accelerate easily at all. My husband cleaned the throttle body and checked the wires. It was good for a week and today it happened again. Autozone...
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    Car shudders/CEL flashing when I accelerate at about 50 mph

    Today the dealer observed misfires are occuring primarily in 1st cylinder (piston). He found a lot of carbon buildup in throttle body so cleaned it out. Also cleaned debris off fuel rails and cleaned fuel injectors. They took my car for a 45 mile drive, pushing the gas pedal down hard...no...
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    Car shudders/CEL flashing when I accelerate at about 50 mph

    Thank you. It does kind of feel that way. I will have the mechanic check that clip.
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    Car shudders/CEL flashing when I accelerate at about 50 mph

    My 2010 cobalt has 136k miles. Husband says he heard an engine knocking noise but mechanic and I don't hear anything. Few weeks ago car lost power and I felt a pulsating/knocking vibration through the steering wheel while accelerating on the freeway, for 7 seconds or so, and then I regained...
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    Oil change interval?

    Thank you YelloEye.
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    Oil change interval?

    Thank you. Do you think it's safe to wait more than a year to change oil if I don't quite get to 5k miles in one year?
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    Oil change interval?

    Thank you YelloEye, you just saved me a ton of money and time. That makes sense. Is Chevron Motor Oil good? Also, if I don't get to 5 or 6k in one year (but perhaps a year and a half) is that okay?...or should I change it at least once a year?
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    How often to change oil...?

    on a 2010 cobalt LT? I live in Portland OR and car has 104k miles. Best to change every 3, 4, or 5k miles? Another guy at the dealer suggested I change it when my oil life monitor gets to 40%.
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    Oil change interval?

    I've a 2010 LT Cobalt and live in Portland, OR area. I had to change the oil every 3000 3x in a row to eliminate sludge...it worked. If I recall my dealer said to switch to 5000 mi intervals after I completed the 3 3000's. Does 5000 sound adequate? If I stretched the 1st one to 6000 would...
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    100K mile tune-up question

    Awesome, thank you! You are the best!
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    100K mile tune-up question

    Thank you. Is this the same thing: Chevron Techron Concentrate Plus, 10 oz - Walmart.com If I add one 10 oz bottle to a nearly empty gas tank, just prior to my next oil change...does that sound good? should i fill my gas tank after adding it, and before getting the oil change? ----------...
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    100K mile tune-up question

    I've a 2010 LT. I recently hit 100k miles. My kind husband replaced the spark plugs for me. :) A chevy tech at an auto parts store told me i also need to do a fuel cleanse. He recommends seafoam, but only via the intake. Is this really necessary or even advised, ever? Thank you...
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    Auto headlights

    Thank you. This is all so good to know... I think I will keep using my auto lights.
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    Auto headlights

    I love my auto headlights on my 2010 LT cobalt, but I'm wondering 2 things: 1) Will they drain car battery quicker? 2) Will they cause the bulb to wear out quicker? Thank you. :High 5:
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    Bad Heater Core

    Thank you so much YelloEye! :)
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