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Old 17 Jan 2013, 06:01 am
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Default I have an 1999 crv with an engine knocking sound?

The third spark plug chamber has like burnt residue in it?
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Old 17 Jan 2013, 06:17 am
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Sounds like you need the valves adjusted. Do so immediately or it can cost you $1,000 or more for a valve job. Your Vee has the B20Z engine. You need to have the valves checked and/or adjusted every 30,000 miles. Most engines make a tapping noise when the valves need adjusting; This engine does the opposite. It actually tightens, so they get quieter than normal. Trust me on this. It's a known issue with the 1997-2001 models. 1997-98 CR-V s are susceptible but to a lesser degree; 1999-2001 CRVs have increased compression (which gives them an additional 20 horsepower) which seems to increase your chances of failure. Honda screwed up the US owner's manual. They put 105,000 miles between valve adjustments while other countries stated 30,000 in their manuals. there have been many failures because of this and Honda is reluctant to even fix it for you if your valves do fail, even under the TSB they created for the issue. Get them adjusted so you can avoid dealing with Honda about this. Hopefully the valves aren't out yet. It should cost you no more than $200 to adjust; and that's on the high end for quotes.
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