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2001 chevy tahoe sometimes drives smooth with power and sometimes it seems louder and rough and has a slow take off

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Is the noise coming from engine/exhaust OR underneath at transmission? Tune up is due every 100K on the V8 models ....

Posted on Apr 27, 2017

Testimonial: "when in idling it sounds like coming from muffler when i accelerate i hear a tapping noise it stops when i take foot off the gas"

  • Sierra's Answering Service

    i just replaced the spark plugs and wires less than a week ago

  • Sierra's Answering Service

    when in idling it sounds like coming from muffler when i accelerate i hear a tapping noise it stops when i take foot off the gas"

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May need plugs,wires,filters, coils, I need more info. Is it worse when warm?

Posted on Apr 27, 2017

Testimonial: "i just replaced the spark plugs and wires less than a week ago.yes when warm it starts to accelerate slow but it will still keep up with traffic"

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  • Sierra's Answering Service

    "i just replaced the spark plugs and wires less than a week ago.yes when warm it starts to accelerate slow but it will still keep up with traffic"

  • Rogee
    Rogee Apr 27, 2017

    Check wires. May have made contact with manifold an melted an shorted out. Easy to test at night. Simply rase hood and Make sure they ent melted. Start it up and in total darkness look for sparking wires.

  • Rogee
    Rogee Apr 27, 2017

    Any trouble cranking? Rough idle? An did it start after replacing plugs?

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Posted on Jan 02, 2017

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