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Trouble maintaining highway speeds


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Hello. I purchased a 2013 spark 2lt on Saturday. I didn't test drive on the highway and turns out I should have. When driving at 60+ mph my little spark seems to have trouble maintaining speed. In order to maintain speed the engine revs to 5-6 on rpm scale, then coasts at that speed for a minute and starts to lose speed and I'll have to rev her up again. Is this a normal thing with a spark in general? I understand it's a 85 hp engine and wasn't expecting lightenin g speed but expected it to hold and maintain a speed.

Also having a very quiet rhythmic hillacopter sound when driving took it to the mechanic of the place I purchased it and they said that sound wasn't the breaks or the tires (all brand new) and he thought it was the transmission.

Thanks in advance.

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Hello. I purchased a 2013 spark 2lt on Saturday. I didn't test drive on the highway and turns out I should have. When driving at 60+ mph my little spark seems to have trouble maintaining speed. In order to maintain speed the engine revs to 5-6 on rpm scale, then coasts at that speed for a minute and starts to lose speed and I'll have to rev her up again. Is this a normal thing with a spark in general? I understand it's a 85 hp engine and wasn't expecting lightenin g speed but expected it to hold and maintain a speed.

Also having a very quiet rhythmic hillacopter sound when driving took it to the mechanic of the place I purchased it and they said that sound wasn't the breaks or the tires (all brand new) and he thought it was the transmission.

Thanks in advance.

It does sound like a transmission problem, it is an auto, right ? Mine could cruise at 60+, all day long, no problem. Hopefully you have a warranty, keep us informed.

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Earliest they could look is wednesday is some B.S. tell them it isnt safe to drive you guys sold me defective vehicle. fix it now and put me in a rental until its fixed. people have had this problem as ive read in other posts on this forum. check through the posts I think you'll find something about it.

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