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ecu code 8 on a 1990 acura

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Old May 9, 2010 | 11:40 AM
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da9kidfromcali's Avatar
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Default ecu code 8 on a 1990 acura

my da9 is giving me code 8 wich is the TDC sensor. so i replaced the distributor 6 times 5 where from kragen and the other one from a shop and nothing. i been messing wiht this since december its not my ecu cuz it works in my friends car does any one have an idea on wat else could be wrong. the car does crank and noticed that the coil gets power but just ownt let it out. so if any one has any idea wat it could be plz let me know.
plz and thank u
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Old May 9, 2010 | 01:42 PM
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Default Re: ecu code 8 on a 1990 acura

Originally Posted by da9kidfromcali
my da9 is giving me code 8 wich is the TDC sensor. so i replaced the distributor 6 times 5 where from kragen and the other one from a shop and nothing. i been messing wiht this since december its not my ecu cuz it works in my friends car does any one have an idea on wat else could be wrong. the car does crank and noticed that the coil gets power but just ownt let it out. so if any one has any idea wat it could be plz let me know.
plz and thank u
i actually had this same problem with my 91 teg...one thing i didnt do was swap engine harness...never fixed the problem so i sold the car before tryin that...if u try that and it works, let me know so i can remember it
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Old May 9, 2010 | 10:19 PM
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Default Re: ecu code 8 on a 1990 acura

the TDC code is for TOP DEAD CENTER. it means your cams are misplaced. take off your valve cover and look at both i mean BOTH your CAM GEARS to make sure they are the exactly identical.
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Old May 9, 2010 | 10:34 PM
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Default Re: ecu code 8 on a 1990 acura

check to see that your timing belt isn't broken, would be my first guess, and yes as mentioned above check your timing is right.
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Old May 9, 2010 | 11:39 PM
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Default Re: ecu code 8 on a 1990 acura

I had the same problem last year I actually drove the car all the way to texas, a day worth driving and my cel light was on the hole way and my brothers friend swap the distrubutor twice, swap ecu's, still the same problem until he took off the valve cover and he saw the cam gears were position different, so it happens to be that the intake cam was off 9 degrees so he losen the belt put it in position and problem solve, check your cams.
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Old May 9, 2010 | 11:52 PM
  #6  
da9kidfromcali's Avatar
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Default Re: ecu code 8 on a 1990 acura

thank you all and i will get to it asoon as possible and i will let u guys know wat happens
and thank you
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Old May 10, 2010 | 03:11 PM
  #7  
da9kidfromcali's Avatar
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Default Re: ecu code 8 on a 1990 acura

ok i checked the cams and there ok and the timing belt is ok and still nothing. does any one have any others thing to try or check?


plz and thank you
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Old May 10, 2010 | 06:51 PM
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Default Re: ecu code 8 on a 1990 acura

You likely have a short in the TDC sensor wire circuit somewhere between the distributor plug and the ECU.
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Old May 10, 2010 | 08:39 PM
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Default Re: ecu code 8 on a 1990 acura

Originally Posted by Targa250R
You likely have a short in the TDC sensor wire circuit somewhere between the distributor plug and the ECU.
Maybe! remove your spark plug in cylinder #1, and drop a long screw driver in the hole, then manually rotate the crank pulley by hand, until it get to the top, then check the position of your cam gears, if arrows are pointing down, rotate another 180 degrees. If cylinder #1 is at TDC, and both cam gears then face UP...Then your problem is as posted above...
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Old Jul 26, 2010 | 09:30 PM
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Default Re: ecu code 8 on a 1990 acura

Sorry don't want to hijack the thread but i just happen to have same issue and posted a couple of times with no answer could this be happening due to a stretched timing belt?

I have the infamous code 8 also with some random misfires after warming up,reset the ECU still have same misfires but no codes but i noticed my timing belt is really stretched
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Old Jul 26, 2010 | 09:47 PM
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Default Re: ecu code 8 on a 1990 acura

Originally Posted by Evil_Send
Sorry don't want to hijack the thread but i just happen to have same issue and posted a couple of times with no answer could this be happening due to a stretched timing belt?

I have the infamous code 8 also with some random misfires after warming up,reset the ECU still have same misfires but no codes but i noticed my timing belt is really stretched
Timing belts generally don't "stretch" that much. If you think the belt is "really stretched," then you've either got the wrong belt, the wrong tension, and/or the timing jumped 1 or more teeth. You need to physically verify that the cam timing is correct at TDC.

It's more likely that the problem lies with the sensor on the distributor base. Have you tried swapping in a known good distributor?
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