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ecu code 9 -- No 1 Cylinder Position

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Old Mar 13, 2005 | 10:06 PM
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From: Huntsville, Alabama
Default ecu code 9 -- No 1 Cylinder Position

Just checked my ecu light and it gave me 9 long flashs. Check the code and its cylinder position. I just had my timing belt, water pump, tensioner replaced few days ago. The light came on about 3-5 minutes after starting as i was about to get on the interstate.

Could this be related to the timing belt install or is it something else in no way related. Just curious how i should go about things when i call my mechanic in the morning
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Old Mar 14, 2005 | 05:59 AM
  #2  
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Default Re: ecu code 9 -- No 1 Cylinder Position (redeyz)

Are you sure they're long flashes? That's code 90, EVAP leak.

If you're not sure, go to AutoZone & let them plug in their OBD-2 reader.

Code 9 is either...
P1381 CYP sensor intermittent
P1382 CYP sensor no signal

Code 90 is either...
P1456 EVAP leak - gas tank system
P1457 EVAP leak - canister system

If it's code 9, look for loose or disconnected wiring inside or near the distributor. If it's code 90, it could be any of several solenoid vavles, vacuum hoses, or maybe even a leak in the gas tank or cap.
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Old Mar 14, 2005 | 08:19 AM
  #3  
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Default

Headed to the dealership to get the code read. I guess it could be code 90. Eitherway they can get more information from the ecu then just counting the light so thats a start
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Old Mar 14, 2005 | 08:23 AM
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Default Re: (redeyz)

makes sense for it to be a code 9 for the no. 1 cylinder position. That has to be at TDC when doing the timing belt install. If not, you could get this code.

Let us know what the dealership has to say.
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Old Mar 14, 2005 | 09:41 AM
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Default Re: (ScreaminTeg)

P1457 EVAP leak - canister system

I guess it was 9 long flashes for #90 not 9 short flashes for #09. So learned something in ecu reading there. They told me it might take a bit trying to find the leak. They said there gonna vaccum test the lines and worst case if its some pinhole leak somewhere they can even do some smoke testing **** to help find it. Sounds like its not going to be a very expensive part but could get labor intensive($$). They got about a half day to work on it I droped it off at 12pm I am hoping to hear from them soon seeing how labor hours is gonna be the bulk i bet of my bill.
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Old Mar 14, 2005 | 10:11 AM
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Default Re: (redeyz)

Check this out... scroll way down, I posted part of the procedure.
https://honda-tech.com/zerothread?id=748876
It's actually for a '98/'99 Accord, but the general idea is the same. I guess it's too late to do this yourself, but it can be a long tedious job anyway.
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