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02-05-2012, 01:03 PM | #1 | |
AF Newbie
Join Date: May 2005
Location: Blackfoot, Idaho
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2001 accord ex 4 cylinder p1259 vtec malfunction after engine change
i just replaced an engine in a 2001 accord ex with the 2.3 4 cylinder vtech f23a1. After getting the engine installed and running, i noted the radiator cooling fan running with the engine cold and an immediate check engine light with p1259 code. I cleared the light with engine off key on and it immediately returned. I also noted the cooling fan on as soon as ignition was on. I read on another forum about the vtec oil pressure sensor plug being swapped with the water outlet temp b plug. I checked and the water outlet sensor had two plastic prongs that only allowed one of the two plugs to fit. After checking the old motor, i found the water outlet sensor was the same except it didn't have the two plastic prongs. I swapped out the water sensors and swapped the plugs so the green plastic end was on the vtec solenoid and now all is good. I just wanted to post this as I'm sure someone will run into the same problem and hopefully this will help.
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02-06-2012, 06:07 PM | #2 | |
Lactose the Intolerant
Join Date: Aug 2004
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Re: 2001 accord ex 4 cylinder p1259 vtec malfunction after engine change
Interesting, thanks. Good thing you found a possible answer somewhere...little crap like that can drive you bonkers if you have to whittle down to the cause...
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You made three mistakes. First, you took the job. Second, you came light. A four man crew for me? F**king insulting. But the worst mistake you made... ...empty gun rack. |
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11-11-2012, 10:50 PM | #3 | |
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Join Date: Nov 2012
Location: Austin, Texas
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Re: 2001 accord ex 4 cylinder p1259 vtec malfunction after engine change
Thanks dude. That helped a ton. Couldnt find anything for weeks on my problem, then found your post.
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