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MikeyMikeCG2 · October 1st, 2009, 08:48 PM

it seems since the swap, i fix 1 thing, something else becomes a malfuction

car jumps from 1,000 rpm-2,000 rpm on a slow rev/drop pattern..

should i straight up replace idle control sensor on the throttle body or could cleaning it possibly help?

shonda1989 · October 1st, 2009, 08:54 PM

check for a vacuum leak in the hoses and by the vacuum connector. then clean the IAC also check the TB butterfly valve for debris.

6thaccord98 · October 1st, 2009, 08:56 PM

you can clean it and may be help but after you clean it try to test the AIV is it fail or no.

NVA-AV6 · October 2nd, 2009, 03:39 AM

Shonda is right on, check for any vacume leaks first. There is also a adjusting screw on the TB that you might have to tighten a little bit more.

Accord_V6_400m · October 2nd, 2009, 03:51 AM

Just check for leaks, get news gaskets for everything so TB gasket IACV gasket, possibly IM gasket too, but doubt its the problem. maybe you switched the plugs on the sensors? The TPS and MAP sensor plugs are interchangeable and don't throw up a CEL when switched up at least most of the time it doesn't. The MAP sensor has the grey plug going to it and theblack one is the TPS sensor.

If you think its the IACV try taking the intake off and pluging up the hole for the IACV and see if that affects anything.

In general I would clean out the IACV too just to be on the sure side.

honda98accord · October 4th, 2009, 09:58 AM

I also left my intake air temp sensor unplugged after working on my car one day and it caused this exact same code and problem. Don't ask why that would happen but i plugged it back in cleared the code and it fixed the problem. So maybe check and make sure there isn't a broken wire there or that the sensor is malfunctioning.

MikeyMikeCG2 · October 4th, 2009, 05:34 PM

any chance this could be cause by bad gas?

I ask because a friend of mine has an 09 civic. he lives in the same apartment complex as me and we use the same gas station, both 93 octane.

and his car does the EXACT same thing now..

possibility its the gas? or just coincidence?

NVA-AV6 · October 4th, 2009, 06:09 PM

Very good possibility.....

jbisselwhiteav6 · October 5th, 2009, 12:14 AM

Quote:

Originally Posted by MikeyMikeCG2

any chance this could be cause by bad gas?

I ask because a friend of mine has an 09 civic. he lives in the same apartment complex as me and we use the same gas station, both 93 octane.

and his car does the EXACT same thing now..

possibility its the gas? or just coincidence?

I am having a similar problem after doing my swap so I wonder

Icedragon · October 29th, 2009, 09:45 AM

I occasionally have the same idle problem, but without the CEL. Have you guys found a solution?

v6powerice · November 14th, 2009, 03:04 AM

accordv6_619 · November 20th, 2009, 12:33 PM

i have the same problem after chargeing a fuel injector

October 1st, 2009, 08:48 PM	#1
MikeyMikeCG2 3.5L s/C'd 6 Speed Join Date: Jan 2008 Location: Yonkers NY Posts: 204 1999 Honda Accord CG2 3.5L 6spd Trader Rating: (0)	p0505 Idle Control System Malfunction it seems since the swap, i fix 1 thing, something else becomes a malfuction car jumps from 1,000 rpm-2,000 rpm on a slow rev/drop pattern.. should i straight up replace idle control sensor on the throttle body or could cleaning it possibly help? __________________ ♠ FK the Rainbow ♠ 3.5L Six Speed SuperCharged Accord ♠ lol @ traction ♠** To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. ♠ To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. ♠ ♠ To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. ♠

October 2nd, 2009, 03:51 AM	#5
Accord_V6_400m yaaaaaaaaaaaaaaaaaaaaaay! Join Date: Aug 2003 Location: So Cal (562) Posts: 7,154 2001 Honda Accord Trader Rating: (23)	Just check for leaks, get news gaskets for everything so TB gasket IACV gasket, possibly IM gasket too, but doubt its the problem. maybe you switched the plugs on the sensors? The TPS and MAP sensor plugs are interchangeable and don't throw up a CEL when switched up at least most of the time it doesn't. The MAP sensor has the grey plug going to it and theblack one is the TPS sensor. If you think its the IACV try taking the intake off and pluging up the hole for the IACV and see if that affects anything. In general I would clean out the IACV too just to be on the sure side. __________________ To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

October 4th, 2009, 05:34 PM	#7
MikeyMikeCG2 3.5L s/C'd 6 Speed Join Date: Jan 2008 Location: Yonkers NY Posts: 204 1999 Honda Accord CG2 3.5L 6spd Trader Rating: (0)	any chance this could be cause by bad gas? I ask because a friend of mine has an 09 civic. he lives in the same apartment complex as me and we use the same gas station, both 93 octane. and his car does the EXACT same thing now.. possibility its the gas? or just coincidence? __________________ ♠ FK the Rainbow ♠ 3.5L Six Speed SuperCharged Accord ♠ lol @ traction ♠** To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. ♠ To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. ♠ ♠ To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. ♠

November 14th, 2009, 03:04 AM	#11
v6powerice Banned Join Date: Jul 2009 Posts: 12 Trader Rating: (0)	dam

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October 1st, 2009, 08:54 PM	#2
shonda1989 hmmm what next? Join Date: Feb 2008 Location: MINNESOTA Posts: 2,617 2001 HONDA ACCORD Trader Rating: (2)	check for a vacuum leak in the hoses and by the vacuum connector. then clean the IAC also check the TB butterfly valve for debris.

October 1st, 2009, 08:56 PM	#3
6thaccord98 Registered User Join Date: Jan 2009 Posts: 588 Trader Rating: (0)	you can clean it and may be help but after you clean it try to test the AIV is it fail or no.

October 2nd, 2009, 03:39 AM	#4
NVA-AV6 M90SC Boosting 13PSI Join Date: Apr 2007 Location: Northern Virginia Posts: 10,140 Trader Rating: (15)	Shonda is right on, check for any vacume leaks first. There is also a adjusting screw on the TB that you might have to tighten a little bit more.

October 4th, 2009, 09:58 AM	#6
honda98accord Registered User Join Date: Jan 2008 Posts: 22 Trader Rating: (0)	I also left my intake air temp sensor unplugged after working on my car one day and it caused this exact same code and problem. Don't ask why that would happen but i plugged it back in cleared the code and it fixed the problem. So maybe check and make sure there isn't a broken wire there or that the sensor is malfunctioning.

October 4th, 2009, 06:09 PM	#8
NVA-AV6 M90SC Boosting 13PSI Join Date: Apr 2007 Location: Northern Virginia Posts: 10,140 Trader Rating: (15)	Very good possibility.....

October 29th, 2009, 09:45 AM	#10
Icedragon Registered User Join Date: Jul 2006 Posts: 75 1998 Honda Accord Trader Rating: (0)	I occasionally have the same idle problem, but without the CEL. Have you guys found a solution?

November 20th, 2009, 12:33 PM	#12
accordv6_619 Registered User Join Date: Mar 2008 Posts: 31 Trader Rating: (1)	i have the same problem after chargeing a fuel injector

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