i have a d16y8 from a 96-98 civic in my car. I had to swap it cuz i blew the stock engine, and funds were low at the time. since then, it idles quite high and it also surges, not always right away but after a few minutes of driving. i have a sh*tty home made intake cuz some ******* stole my AEM CAI, i just replaced the whole IAC, yet it still surges and throws a light. I dont remember exactly, but the code for the light was p5051 or p0501, somewhere along the lines of that. Now, can anyone help me fix this problem? its been happeneing for months and its really irritating.
TIA

 

*bump* I have the exact same problem and I can't figure it out either

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by KP LQQKN &raquo;</TD></TR><TR><TD CLASS="quote">i have a d16y8 from a 96-98 civic in my car. I had to swap it cuz i blew the stock engine, and funds were low at the time. since then, it idles quite high and it also surges, not always right away but after a few minutes of driving. i have a sh*tty home made intake cuz some ******* stole my AEM CAI, i just replaced the whole IAC, yet it still surges and throws a light. I dont remember exactly, but the code for the light was p5051 or p0501, somewhere along the lines of that. Now, can anyone help me fix this problem? its been happeneing for months and its really irritating.
TIA</TD></TR></TABLE>

Well the only one I saw in the thing htat matches your "suspected codes" is P0501, the VSS (Vehicle Speed Sensor) - it's a big sensor sticking up out of your tranny... replace that, see what happens from there...

Haven't heard of a VSS making an eradic idle, but that's what's throwing your ECU light...so I'd change that first

 

IACV or Vaccum Line exposed

 

My problem is the same as the creator's except without cel. I have had people tell me everything from IAC valve to a crack in my intake manifold. And so for nothing. Has anybody who has ever done this swap had this problem?

 

bump

 

have you checked all your vaccum lines

 

ok guys... update... my boyfriend was wrong last night when he wrote the code out. i went to auto zone to get my CEL checked and this is what the code was that it threw: P0505 the troubleshooting on the bottom of the receipt says "the PCM has determined that a malfunction exists in the idle control system." can ayone help me from here? TIA...

 

TTT for more help (btw, this is her bf now)

 

clean out the idle air control valve...