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    HIDALGO88's Avatar
    HIDALGO88 Posts: 1, Reputation: 1
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    #1

    Sep 30, 2011, 06:40 PM
    2001 Honda civic ex vtec d17 1.L. Why does the rpm fall below specs at idle?
    I have a 2001 Honda civic ex 1.L vtec 4 door sedan with about 133800 miles, I replaced my throttle body and spark plug at 132,338 miles on September 7, 2011. I used NGK double platinum plugs. The following Monday I notice that my rpm were falling below specs. My car vibrates at stops light after I been driving about 8-15miles. I asked around what could cause this and no one could help me with this problem. I checked all the hoses and didn't found any cracks at this time and I check everything again today and I didn't notice anything different. If you know of anything that can help I appreciate it. Thank you for your time.
    scottwrowland's Avatar
    scottwrowland Posts: 6, Reputation: 0
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    #2

    Oct 27, 2011, 12:33 AM
    Your coil is bad also replace 02-sensor. You didn't need to replace throttle body it is pulled apart and washed in a fluid that is basically brake cleaner and reassembled. It is a costly procedure 250.00-300.00 clams but never in the life of your car will you need it again. [email protected]

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