1999 Honda Prelude problem with idling seems like it wants to die

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1999 HONDA PRELUDE
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 128,000 MILES
1999 Honda Prelude mileage: 128,000. I have had the carburetor overhauled within the last 5,000 miles. I have also put a new distributor cap, new distributor, and a new timing belt put on it within the last 10k or 12k. It is having problems when it is idling acting like it is going to die, but when I do turn it off sometimes it's like it does not want to turn completely off. When driving, it drives like there is water in the gas or something, and there is black smoke coming out the tailpipe. I have had 6 mechanics look at it, 2 of which have put on the computer. They say that it is saying it is a map sensor, which really means it's a vacuum leak. The car cosmetically is in great condition, but with this vacuum leak, it is not running well.

Wednesday, December 22nd, 2010 AT 10:04 PM

1 Reply

Tiny
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  • MEMBER
  • 4,540 POSTS
The black smoke coming out of the tail pipe would indicate an engine running rich. A vacuum leak would cause an engine to run lean, thus no black smoke. Check the PCV valve as it may have failed. We also suspect a faulty carburetor even though you just had it overhauled based on the symptoms you described.
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Wednesday, December 22nd, 2010 AT 10:06 PM

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