inconsistant idle

3.0trd · 04-30-2008, 01:37 AM

Sorry to bother you all with this question, but I just need your best opinon. I got my 89 manual na to idle at 700 and timed it. but every time I start the car and drive it a few miles, it jumps up and idles over 1k (usually 1000-1100) and I'm just not sure if I should be looking at the tps or the isc. I'm just curious from your experiences, where should I start?

supramacist · 04-30-2008, 01:41 AM

MK3 TSRM On-Line

Uhg. You Pull'em codes.

Have'nt I already given this to you????

Save to favorites. Live it. Learn it.

And then enjoy it.

cre · 04-30-2008, 02:15 AM

Test the IDL switch on the TPS, clean the ISC (Idle Speed Controller) inside and out, test the ECU's coolant temp sensor and test the AFM.

3.0trd · 04-30-2008, 03:58 AM

hehe, test everything, got it, thanks

cre · 04-30-2008, 04:02 AM

Oh, that's not everything... not by a long shot. I've got a nice big list for ya if those don't pan out. Check those items than we'll move onto testing signal voltage at VC, Resistance across E1 and E2, testing the coils in the ISC... hehe... just keep hoping it's something from that initial list.

supramacist · 04-30-2008, 04:51 AM

Yes folks.
He's here all week.
It's the Professor from Gilligans island.
We love him, you know him as........,

CRE

hhhhrrrrrrhhhhrrrrrhhhhhrrrhrhrhrhrhrhrhrhrhrhrhrh rhrrrrrrrrrraaaaaaaaaaaaahhhh

Hey I'm just trying to stimulate the conversation

.

UNEDITED EDITED EDIT FOR THOSE WHOM READ EDITS:

Buy the ticket. Take the ride.

cre · 04-30-2008, 04:59 AM

G'damn son! What you smokin' down there and where's mine? Wow.

If anyone here really needs my attention this badly.... send CASH!

supramacist · 04-30-2008, 05:04 AM

I'm just fooling around man.

It's been a long time around these forums

.

3.0trd · 05-03-2008, 10:14 PM

alright, no signal from the idl on the tps. Should I just replace it?

cre · 05-04-2008, 12:26 AM

Might as well replace it. It is a wear component and it's almost surprising how much nicer the throttle response is if the TCCS is getting a clean signal.

04-30-2008, 01:37 AM	#1
3.0trd 3" Exhaust Join Date: Mar 2008 Location: Cali Posts: 76	inconsistant idle Sorry to bother you all with this question, but I just need your best opinon. I got my 89 manual na to idle at 700 and timed it. but every time I start the car and drive it a few miles, it jumps up and idles over 1k (usually 1000-1100) and I'm just not sure if I should be looking at the tps or the isc. I'm just curious from your experiences, where should I start?

04-30-2008, 04:51 AM	#6
supramacist 1000whp postwhore Join Date: Apr 2007 Location: Escape from the Prison Planet Posts: 1,356	Yes folks. He's here all week. It's the Professor from Gilligans island. We love him, you know him as........, CRE hhhhrrrrrrhhhhrrrrrhhhhhrrrhrhrhrhrhrhrhrhrhrhrhrh rhrrrrrrrrrraaaaaaaaaaaaahhhh Hey I'm just trying to stimulate the conversation. UNEDITED EDITED EDIT FOR THOSE WHOM READ EDITS: Buy the ticket. Take the ride.

04-30-2008, 05:04 AM	#8
supramacist 1000whp postwhore Join Date: Apr 2007 Location: Escape from the Prison Planet Posts: 1,356	I'm just fooling around man. It's been a long time around these forums.

05-03-2008, 10:14 PM	#9
3.0trd 3" Exhaust Join Date: Mar 2008 Location: Cali Posts: 76	alright, no signal from the idl on the tps. Should I just replace it? __________________ Cometic MHG, ARP studs, H&R lowering springs

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04-30-2008, 01:41 AM	#2
supramacist 1000whp postwhore Join Date: Apr 2007 Location: Escape from the Prison Planet Posts: 1,356	MK3 TSRM On-Line Uhg. You Pull'em codes. Have'nt I already given this to you???? Save to favorites. Live it. Learn it. And then enjoy it.

04-30-2008, 02:15 AM	#3
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	Test the IDL switch on the TPS, clean the ISC (Idle Speed Controller) inside and out, test the ECU's coolant temp sensor and test the AFM.

04-30-2008, 03:58 AM	#4
3.0trd 3" Exhaust Join Date: Mar 2008 Location: Cali Posts: 76	hehe, test everything, got it, thanks

04-30-2008, 04:02 AM	#5
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	Oh, that's not everything... not by a long shot. I've got a nice big list for ya if those don't pan out. Check those items than we'll move onto testing signal voltage at VC, Resistance across E1 and E2, testing the coils in the ISC... hehe... just keep hoping it's something from that initial list.

04-30-2008, 04:59 AM	#7
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	G'damn son! What you smokin' down there and where's mine? Wow. If anyone here really needs my attention this badly.... send CASH!

05-04-2008, 12:26 AM	#10
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	Might as well replace it. It is a wear component and it's almost surprising how much nicer the throttle response is if the TCCS is getting a clean signal.