Black exhaust pipe

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I always use denso Q20 spark plugs and for the first time two days ago my car was throttling like it is missing, when the plugs were taken out they were black and the air screw was black and the exhaust pipe also.

debohon in Tewksbury MA

Mar 20, 2009

1 Reply

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danddon Mar 20, 2009

It sounds like you may have a rich running or misfire problem. Do you have a Check Engine Light ever coming on? If so, this could give you a code that will really help you isolate why your Honda is running poorly. When was the last time that you had your valves adjusted?

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What are the best Honda repair shops?

RepairPal Certified shops can diagnose and repair your 1997 Honda CR-V. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What are the best Honda repair shops?

RepairPal Certified shops can diagnose and repair your 1997 Honda CR-V. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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danddon Mar 20, 2009

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