No emissions, need help w/idle
09-19-06, 02:18 PM
#1
No emissions, need help w/idle
Ok I just got finished removing and blocking of the BAC, ASV, and ACV.
Soaked and cleaned my UIM and TB. Capped off vacuum lines and looped the BAC coolant line.
I got it all back together and the idle now drops to 1000 then climbs to 2000 then drops down....up, down...etc.
Is this a result of no emissions or a vacuum leak or what?
Should I have to re adjust my SAFC?
The TPS is spot-on in spec 1k-4.9k.
Soaked and cleaned my UIM and TB. Capped off vacuum lines and looped the BAC coolant line.
I got it all back together and the idle now drops to 1000 then climbs to 2000 then drops down....up, down...etc.
Is this a result of no emissions or a vacuum leak or what?
Should I have to re adjust my SAFC?
The TPS is spot-on in spec 1k-4.9k.
09-19-06, 08:05 PM
#2
RX7Racer46
Join Date: Mar 2006
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I have my emissions gone too and my idle sometimes travels but not a 1000rpm. Mine travels 100-200rpms, but i also have a very agressive street port. You might want to double check all vacuum lines.
09-19-06, 09:57 PM
#4
Strength and Honor
Join Date: Apr 2006
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An oscillating idle can also be the TPS. If you took off the TB and knocked the TPS at all, you should recalibrate it. See Idle Troubleshooting for help.
09-19-06, 10:19 PM
#5
It was a vacuum leak of sorts.
My secondary throttle plates were sticking open. And since the TPS reads off of the primary plates, I was dumping more air than it knew.
Idle is settling around 650-700. Alittle low but I can bump it up with the set screw.
And I must say, a clean UIM is a happy UIM.
Thanks for the help though.
My secondary throttle plates were sticking open. And since the TPS reads off of the primary plates, I was dumping more air than it knew.
Idle is settling around 650-700. Alittle low but I can bump it up with the set screw.
And I must say, a clean UIM is a happy UIM.
Thanks for the help though.
Last edited by Mankdrake 2661; 09-19-06 at 10:21 PM.
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