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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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    Bad Heater Core

    I've a 2010 Cobalt LT, 98k miles. First off, is there a way to bypass the heater core so coolant stops leaking into cabin? If so, how please? Next, could the issue be leaky coolant hoses (leading to heater core) or coolant pump? I recently switched from parking in garage to parking on our...
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    Dealer oil change or no/checking timing belt

    Thank you kindly YelloEye!!:allesmoegliche024:
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    Dealer oil change or no/checking timing belt

    Thank you! :) My cobalt has 97k miles. When should I replace my timing chain? Do you think Oil Can henry's is okay...better than jiffy lube or meineke? When i had a recall fixed, the dealer did do an inspection at that time. Or do they do a more thorough one during an oil change?
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    Dealer oil change or no/checking timing belt

    So all my check engine lights were cleared, thanks to your awesome suggestions and my husband's hard work. :) Dealer said it's a good idea to get one oil change from them after you buy a new (used) car like I did. He said Chevy mechanics know the cars a lot better and could spot a hose that...
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    Are cam position sensor & crank position sensor the same thing?

    are camshaft position sensor & crankshaft position sensor the same thing/part?
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    Are these DTC codes related?...

    Thanks. Do you have any links/info on where knock sensors are and how to replace them? ARe there 1 or 2 of them?
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    Is Seafoam safe for cleaning up engine oil sludge...

    Or is there a better alternative or are none a good idea?
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    Are these DTC codes related?...

    or do I most likely have 2 issues to fix? : P0010 & POO13 (intake & exhaust actuator solenoids) Also PO326 &P0327 (knock sensors) I've been reading about knock sensors and still wonder if the dealer messed up when they replaced my fuel filter a few weeks ago (since my CEL came on 3 days...
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    DTC's P0010, P0013, P0326, P0327

    I've a 2010 Chevy Cobalt LT/2.2L. CEL came on 2-3 weeks ago. Constant 1 week, then intermittent. Codes P0010 (intake actuator solenoid), & P0326/27 (knock sensors). Hubby replaced intake solenoid, CEL cleared after 3 starts, then came back on, intermittently. (CEL back on constant after...
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    check engine light went off..is my car okay?

    Thanks but I'm no longer concerned about a possible bolt in my engine. Still trying to get help troubleshooting a pesky, intermittent check engine light. this reply was to Shane M. btw. ---------- Post added at 01:06 AM ---------- Previous post was at 01:05 AM ---------- Good idea, I'll call...

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