1999 HONDA ACCORD TROUBLE CODE 1399

  • Tiny
  • edabcd
  • 1999 Honda Accord

Engine Performance problem
1999 Honda Accord 4 cyl Front Wheel Drive Manual 400000 miles

Seeking to identify trouble code 1399 and advice regarding which component(s) to replace

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Monday, June 2nd, 2008 AT 2:38 PM

5 Replies

  • Tiny
  • KHLow2008
  • Expert
  • 41,994 posts

Hi edabcd,

Wait to start lamp circuit.

Something new to me but I got a feeling something to do with the main relay.

Can the vehicle start when the code appears?

Any symptoms?

I would check it out at my office and get back to you.

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Tuesday, June 3rd, 2008 AT 9:41 AM
  • Tiny
  • edabcd
  • Member

Yes, car starts ok while code is present. However, can feel "a miss" in motor while running a highway speeds and gas milage very noticably affected. Have received suggestions to try the coil - make sense to you.
Thanks.

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Wednesday, June 4th, 2008 AT 5:55 AM
  • Tiny
  • KHLow2008
  • Expert
  • 41,994 posts

Hi edabcd,

It is possible for the coil to miss, but it should not be giving you any code.

Since it can start, dose the code show each time you start or intermittently.

Could not get any info for this code. Did you run any diagnostic data reading on the vehicle?

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Wednesday, June 4th, 2008 AT 9:15 AM
  • Tiny
  • edabcd
  • Member

The code shows each time car is started. No, did not run any diagnostic data reading on the vehicle.
Thanks for your help.
Ed

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Wednesday, June 4th, 2008 AT 9:22 AM
  • Tiny
  • KHLow2008
  • Expert
  • 41,994 posts

Hi edabcd,

Someone with a Civic has the same problem as yours and it crossed my mind that the ECM might be possibly giving the problem. The Civic had one more code of misfiring.

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Wednesday, June 4th, 2008 AT 11:26 AM

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