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03-09-08, 07:14 PM
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#1
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Lead Lap
Join Date: Jul 2007
Location: Arkansas
Posts: 453
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Installed VPC, now cel and weird idle
I finally installed my vpc yesterday. I used some diagram i found on sf and everything was pretty accurate except it didnt tell me what to do with wire b66 coming from the maf, so i just left it unplugged. The car drives perfectly fine except im getting a cel (code 24 i believe) and at idle, my afr's will jump from 14.5 to 16.6. Anyone else have this problem?
Setup: vpc w/440cc injector chip, 2.2kohm 1/2 watt connected to the blue/pink and small brown wire, stock 330cc injectors, t61 @4 psi. Any help will be appreciated!
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03-10-08, 03:37 PM
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#2
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Lead Lap
Join Date: Jul 2007
Location: Arkansas
Posts: 453
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anyone know whats going on?
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03-10-08, 05:26 PM
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#3
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Lexus Test Driver
Join Date: Jul 2004
Location: Tennessee
Posts: 986
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Wild guess, but might be because your chip size and injectors don't match.
__________________
1995 Turbocharged SC300 Red on Black 5 speed: ???rwhp/???rwtq @ 15psi
Coming soon: Methanol Injection, new clutch
1 W58 Destroyed, XS Power T61, XS Power Manifold, SMIC w/fan, 440cc injectors, 3 inch Single Exhaust, SAFC2/HKS VPC, CenterForce DF Clutch, Full Supra TT Suspension, Supra TT Brakes, Supra TT rims, JL Audio/Alpine Audio System
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03-10-08, 09:19 PM
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#4
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Lead Lap
Join Date: Jul 2007
Location: Arkansas
Posts: 453
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Daveh said i could use the 440's, i would just have to take out fuel at idle in order for it to work. I think the reason its having a weird idle is due to my cel, its code 26 (air intake temp). I think i have my resistor in the wrong place, anyone have a pic of the resistor installed in the maf plug.
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03-12-08, 02:21 PM
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#5
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Lead Lap
Join Date: Jul 2007
Location: Arkansas
Posts: 453
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Anyone? Does anyone have a pic of the resistor installed for the maf?
__________________
$5000
92 SC300 Dropped 5sp
94 SC300-T61 270whp @6 psi Sold
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03-12-08, 06:13 PM
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#6
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Lead Lap
Join Date: Mar 2005
Location: Ca
Posts: 734
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Quote:
Originally Posted by 100mgbluep
Anyone? Does anyone have a pic of the resistor installed for the maf?
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Heres a pic i took last year showing the 2 MAF wires i cut and wired in a resistor for my map ECU.
However, i've never installed a VPC, so you will need to confirm whether you use the same 2 for the VPC just to be certain.....
But I have since gone to an AEM EMS , and these are in fact the same 2 wires i used for my AEM AIT sensor as well......
-Good luck! 
__________________
93SC3NA-T
SP63-AEM-EMS
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03-12-08, 06:39 PM
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#7
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Lead Lap
Join Date: Mar 2005
Location: Ca
Posts: 734
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Quote:
Originally Posted by CantSeeMe
Heres a pic i took last year showing the 2 MAF wires i cut and wired in a resistor for my map ECU.
However, i've never installed a VPC, so you will need to confirm whether you use the same 2 for the VPC just to be certain.....
But I have since gone to an AEM EMS , and these are in fact the same 2 wires i used for my AEM AIT sensor as well......
-Good luck! |
OK , Heres a DIY i found, and it looks like they are the same.
I just wanted to be sure i wasnt giving you any BS info.
-Good luck
http://mkiv.com/techarticles/vpc/vpc.htm
__________________
93SC3NA-T
SP63-AEM-EMS
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03-12-08, 09:06 PM
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#8
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Lead Lap
Join Date: Jul 2007
Location: Arkansas
Posts: 453
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awesome! I had em on the wrong place. Thanks!
__________________
$5000
92 SC300 Dropped 5sp
94 SC300-T61 270whp @6 psi Sold
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03-12-08, 09:30 PM
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#9
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Lead Lap
Join Date: Jul 2007
Location: Arkansas
Posts: 453
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is that the yellow/black wire or the yellow/green or yellow/orange wire? I know the pink and blue is one of them but im not sure about the other.
__________________
$5000
92 SC300 Dropped 5sp
94 SC300-T61 270whp @6 psi Sold
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03-15-08, 12:55 AM
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#10
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Lead Lap
Join Date: Mar 2005
Location: Ca
Posts: 734
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Quote:
Originally Posted by 100mgbluep
is that the yellow/black wire or the yellow/green or yellow/orange wire? I know the pink and blue is one of them but im not sure about the other.
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Sorry i didnt see the question til now. But if you still need to know, its the yellow w/green stripe.
__________________
93SC3NA-T
SP63-AEM-EMS
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03-16-08, 06:10 PM
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#11
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Lead Lap
Join Date: Jul 2007
Location: Arkansas
Posts: 453
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wierd, i tried every single wire with the resistor i have and none of them cleared my cel.... Not sure what to do now..
__________________
$5000
92 SC300 Dropped 5sp
94 SC300-T61 270whp @6 psi Sold
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