2005 civic obd II issues HELP!!

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Nov 25, 2017 | 03:44 PM

jimgorb

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2005 civic obd II issues HELP!!

i have a check engine light on my car, the OBD II wont read with a plug in computer, car runs like crap since the light came on. how can i see what the code is?
the car lost power, the temp gauge stopped working, and the auto transmission wont shift up or down unless i manually change the gears up or down.... frustrated. 1.7 engine

Nov 26, 2017 | 04:03 AM

toyomatt84

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Re: 2005 civic obd II issues HELP!!

Sounds like your ECU may be dead.

Nov 26, 2017 | 06:07 AM

thetut

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From: Montreal, QC, Canada

Re: 2005 civic obd II issues HELP!!

Before you replace the ECU, make sure that the alternator mounting bolts are tightened to spec.

Nov 26, 2017 | 09:01 AM

jimgorb

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Re: 2005 civic obd II issues HELP!!

thank you, ill check on those things and get back to you

Dec 5, 2017 | 11:38 AM

jimgorb

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Re: 2005 civic obd II issues HELP!!

Quote:

Originally Posted by jimgorb

UPDATE...... Yes the ECU was fried, The Alternator bolt was loose. I bought a used ECU from wrecking yard, had it flashed, done! Drives great again.
my original ECU numbers ended in a 76, found out that numbers from 72, 73, 74, 75, and 76 all will work. Thank you guys for your dead on diagnostic answers.