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Discussion Starter · #1 ·
I purchased a 2011 Cruze manual transmission Eco in April 2015 and I've had nothing but problems. My primary concern was that it had trouble getting into gear even though the clutch was all the way down. Using the synchronizer seemed to resolve this temporarily. The car also seemed to have more power when I shifted without the clutch.

The dealer just replaced my transmission and clutch disc but that didn't seem to help the power issues. The car seems to run a lot better when the clutch isn't used and when I rev to 2k or more Rpm when starting out in first. It also didn't seem to have the problem of getting into gear when I reved to 2k rpm.

The car is so hit and miss. I never know how it's going to run each time I start it. Also the engine sounds different each time.
 

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try some good fuel injestion cleaner. Maybe the last owner didn't use any. I know this sounds stupid but try it & super unleaded
 

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The early, effective and ongoing use of a Top Tier Gasoline would be a very good first step.

You also do not identify the mileage on your car.
 

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Nearly five year old car - common issues with the 2011s and 2012s are clutch wear and spark plugs. Since you've replaced the clutch I'm going to guess spark plugs. They are probably all over the map with regards to gap size. I'd go ahead and install new plugs and set them to 0.028". The plugs in my 2012 ECO MT are NGK BKR8EIX. Also, go purchase a bottle of Chevron Techron Fuel System Cleaner. Run your tank down to nearly empty and go to your nearest busy Shell station. Put in half a tank of vPower 91 or 93 octane. Pour the fuel system cleaner in and then fill the tank. Trickel fill two to three more gallons in after the first click - yes it will fit in your gas tank. You may have to put a couple of tanks of Shell vPower 91/93 in.

Drive your car and report back.
 

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Discussion Starter · #7 ·
Wow!! I can't thank you guys enough. I was not able to find the Chevron fuel cleaner in my local Canadian Tire store but I did end up using the STP Complete Fuel Cleaner and the car is running like it's brand new.

One of the issues I had before is the clutch felt too light. Well the clutch now feels 100% normal and the car is running 100% better.

Thank you.
 

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last question is I see there is many different kinds of chevron fuel cleaner which mo del is the one gm relabels? I tried there website but it seems like I'm not finding my answer. I know I been using the gm ones for $15 a bottle thanks
 

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last question is I see there is many different kinds of chevron fuel cleaner which mo del is the one gm relabels?
Its the Techron complete fuel system concentrate, BMW and GM both sell their own brand in the same exact looking bottle.


Here is a link to the GM so you can see it looks very similar.



EDIT: I should add Walmart has continually been lowing the price over 3 years on that bottle of techron, its now $4.94 vs the $8 they used to charge. Can buy 3 bottles for the price of one compared to amazon!!!
 

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RedLine . $ 12 . 98 a Bottle , Last for 3000.00 miles ..O Reilly and Pepboys sells IT ................
 

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I just bought a case of Techron at Costco. 6, 16 oz. bottles for $16. That should last Black Betty for the next 40K miles or so.
 
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The stuff costco sells is not the concentrate, its a product intended to use at every fill up at about 1/10th the strength.
True, it is not the concentrate and the box says to put a bottle in every 1,000 miles.
 
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