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Problems accelerating

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Old May 22nd, 2011, 5:16 PM
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Default Problems accelerating

I have a 2005 chevy silvarado with a litttle over 100,000 miles
i began to encounter it ideling a little rough but the rpms do move a lot
and this weekend i was on a 400 mile round trip and driving i found that it was harder to accelerate than usual. i replaced my spark plugs and have put the middle grade mobil gas in it.

have a feeling it might be fuel pump any help would be appreacuated !!
Old May 23rd, 2011, 1:46 PM
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Originally Posted by hunter1880
I have a 2005 chevy silvarado with a litttle over 100,000 miles
i began to encounter it ideling a little rough but the rpms do move a lot
and this weekend i was on a 400 mile round trip and driving i found that it was harder to accelerate than usual. i replaced my spark plugs and have put the middle grade mobil gas in it.

have a feeling it might be fuel pump any help would be appreacuated !!

Hunter1880,

I am sorry to hear that you are experiencing issues with your Silverado. Have you spoken with the dealership to get a diagnosis? Also, is this the first time this has happened?

Thank you!

Elizabeth, Chevrolet Customer Service
Old November 23rd, 2011, 9:30 AM
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yes i changed the coil changed the modual changed the crank possitioning sensor and still no spark what else could it be
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