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I had my pfc tuned last week and during the tuning I blew a hose. Found it and zip tied it on. Everything seemed fine but after the car sat fot a while we noticed that it would, on start up, rpm hunt from 1500-3000. I also noticed I am only getting 14 hg instead of 16hg and the rpm's, when the clutch is in, will sometimes drop to 500. Two final issues are that the fans and lights no longer increase the rpm's and the tuner has my idle set at 720rpm but the computer is reading 800. He said he hasn't seen this, so can anyone point me in the right direction. He thought maybe another hose is off or for some reason it's reading as if it were on a electrical load when it really isn't. Anyone?
is there any way to configure the idle with fans/ac on with stock ecu? I know you can adjust it with the idle control screw but that only increases the idle with no electrical load. Like when my fans turn on it drops to 600-700 rpm and its harder to get moving.
so cewrx7r1, I do think I need to adjust the idle a bit and turn the O2 sensor off, as you stated in another post, but then why does the engine seem to go into cold start when you run it for a while, shut it off for 10 or so mins and then restart? It's only these times when it does it, so what do I correct or adjust it? Can it be cured through the idle adjust screw or on the ecu itself, through the commander?
If it is still warm and goes into warmup mode, then maybe you should loosen up the adjusting screw for the cold start system. It might be opening the throttle too much. Mine is adjust to barely open the throttle in winter. In summer mine is disabled along with cutting off water flow through the unit.
You know that screw that is used along with the hot wax rod on the firewall side of the throttle body. Look it up i the manual!
Why do people let 20 years of Nazi abuse of this over 6000 year old positive religious symbol still control their emotions. Time to restore it to full glory as it has been and still is in the East.
I just fixed the 1000-1500 hunt I had. I closed the Idle bleed screw the whole way till it finally stopped. Now the car idles at a perfect 900 all the time. I had it fixed before with just the PFC settings, but the idle was too high. And when I tried to lower it, I would get the hunt. The bleed screw is the key.