1999 CIVIC LX CODE P505 IDLE MULFUNCTION.
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Joined: Sep 2008
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From: OSWEGO, IL, US
HONDA CIVIC(2001-2005) 1999 CIVIC LX CODE P505 IDLE MULFUNCTION.
I REPLACED IACV,COOLANT SENSOR,FAN SENSOR,COULD IT BE MAP SENSOR?FIRST PROBLEM IN 211,000 MILES OF COARSE TIMING BELT AND WATERPUMP WERE CHANGED AT 100,000---CAR RUNS GREAT FOR 4 OR 5 DAYS THEN CODE COMES BACK--PLEASE HELP!!
Modified by JJARMASEK at 7:25 PM 9/8/2008
Modified by JJARMASEK at 7:30 PM 9/8/2008
Modified by JJARMASEK at 7:25 PM 9/8/2008
Modified by JJARMASEK at 7:30 PM 9/8/2008
Function>Fashion
Joined: Aug 2006
Posts: 2,162
Likes: 0
From: Richmond, VA, United States
iac valve mechanical malfunction
throttle body clogged port, improper adjustment
intake manifold gasket leakage
intake air hose loose leakage
vacuum leak
ect sensor incorrect output
throttle position sensor incorrect output
found this on another site. I would start from there.
throttle body clogged port, improper adjustment
intake manifold gasket leakage
intake air hose loose leakage
vacuum leak
ect sensor incorrect output
throttle position sensor incorrect output
found this on another site. I would start from there.
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