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Hacking up Honda's ECU
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 Post subject: p08 code 3 map sensor
PostPosted: Tue Mar 13, 2012 9:27 am 
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Joined: Sun Feb 27, 2011 11:52 am
Posts: 373
Location: Malaysia
yesterday i changed all the leaking caps from a working p08

after cleaning all the left over juice and solder in new caps, it is throwing code 3 map sensor..the car run horrible now

which part should i check?


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PostPosted: Tue Mar 13, 2012 1:03 pm 
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Joined: Thu Sep 15, 2005 2:29 am
Posts: 1616
Location: Dublin
Id start by making sure it isn't actually the sensor or wiring. Try a different ecu, or try datalogging and see if the map sensor reading anything. Then continue trouble shooting to you narrow down your problem.


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PostPosted: Wed Mar 14, 2012 12:58 am 
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Joined: Sun Feb 27, 2011 11:52 am
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Location: Malaysia
inspector01 wrote:
Id start by making sure it isn't actually the sensor or wiring. Try a different ecu, or try datalogging and see if the map sensor reading anything. Then continue trouble shooting to you narrow down your problem.


diffrent ecu work ok. this is a stock ecu without datalogging.


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PostPosted: Wed Mar 14, 2012 7:59 am 
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Joined: Thu Sep 27, 2007 10:14 am
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monster222 wrote:
yesterday i changed all the leaking caps from a working p08

after cleaning all the left over juice and solder in new caps, it is throwing code 3 map sensor..the car run horrible now

which part should i check?



Bro....
Check C32 and the surrounding area....
Broken connection.....


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PostPosted: Sun Mar 18, 2012 11:29 am 
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Joined: Sun Feb 27, 2011 11:52 am
Posts: 373
Location: Malaysia
e-tech wrote:
monster222 wrote:
yesterday i changed all the leaking caps from a working p08

after cleaning all the left over juice and solder in new caps, it is throwing code 3 map sensor..the car run horrible now

which part should i check?



Bro....
Check C32 and the surrounding area....
Broken connection.....


i clean all the trace and check connection with multimeter..everything is good.

i removed J1 and the CEL is gone :shock:

this ecu is also socketed by me..put in a crome gold bin with boost column added..the car is a turbo D15B

and yes..the main processor is ST


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