More MPFi swap problems woohoo

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Old May 19, 2006 | 09:06 AM
  #1  
Snoxxy's Avatar
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From: LRAFB, AR
Default More MPFi swap problems woohoo

So I cleared some codes here and there

But now I have loping idle ... and it does the herkly erky while driving .. I had that gone but some guy at autozone looked at it ... touched a few things and now I can't get it back to qwhere it was .... I been screwing with it for like 6 hours now. everybody tells me I have a vacuum leak. NO I replaced every single vacuum line. INLCUDING THE PCV hose. there is no leak. My friend said that it lopes because of the cam gear ... the D15b2 cam gear is different than the D16a6 ... true or not ???

I am pissed and dissapointed. The car runs like it is on steroids at WOT but like **** everywhere else.
I throw codes 1,3,5,10,14,16.
1 is O2 sensor .. I think I throw that code because the car is running very rich.
3 and 5 are map ... vacuum
10 is IAT .. I tried everything. pulled my old sensor from my old manifold which DID work and everything. I throw the code no matter what.
14 is the idle air control ... No clue .. I checked everything .. I make no sense from it
16 is injectors ... THEY ALL WORK. I don't understand how I could be throwing this code. I check the wiring .. it is good. I checked the injectors with a multimeter. they get power. I unplugged them with the motor running, 1 by 1 and I can tell the difference. I am pissed ... to the point where I am thinking about going back to DPFI ;( I mean come on WTF. I have been checking wires for like 5 days now.. nothing got depinned by accident.. I am not happy ;(

HELP

Phil
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Old May 19, 2006 | 11:44 AM
  #2  
court's Avatar
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From: SF
Default Re: More MPFi swap problems woohoo (Snoxxy)

re go over your wiring. pay close attention to c1/2 distributor, and 02( all 4 wires)
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Old May 19, 2006 | 05:24 PM
  #3  
Snoxxy's Avatar
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From: LRAFB, AR
Default Re: More MPFi swap problems woohoo (court)

well , I never even screwed with the O2 wiring ....
and the ECU doesn't throw any Dizzy codes
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Old May 19, 2006 | 05:29 PM
  #4  
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Default Re: More MPFi swap problems woohoo (Snoxxy)

Flip the IAT and the EACV (code 14) plugs and see what happens...
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Old May 19, 2006 | 05:57 PM
  #5  
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From: LRAFB, AR
Default Re: More MPFi swap problems woohoo (silentdork818)

I tried that .. nothing ..

Their both white correct ?

I hate this ;(

Part of why I am runnign rich is probably because those 2 sensors aren't running right
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Old May 19, 2006 | 08:25 PM
  #6  
crooked muffler's Avatar
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From: da hood, US
Default Re: More MPFi swap problems woohoo (Snoxxy)

make sure yr getting about 12.5v to the EACV, I had everything hooked up but that one wire to the eacv was mixed up and nothing....and thats whats making yr car run herky jerky!!!!

Fix that and make it driveable....code 14 is a big problem!!!!

as far as the other codes IDK...
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Old May 19, 2006 | 08:26 PM
  #7  
crooked muffler's Avatar
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Default Re: More MPFi swap problems woohoo (cheap4dr)

o and the cam gears are the same (d15b2 and d16a6), but the cams are different (1/2 tooth search)
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Old May 19, 2006 | 08:52 PM
  #8  
ef92b's Avatar
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From: Mid East Deserts
Default Re: More MPFi swap problems woohoo (cheap4dr)

for the MAP, make sure you have exactly 5v when probed at the sensor's plug. it happened to me once when i did my own first ever obd-1 wire loom. i was not getting proper voltage reading at the MAP sensor's plug. it was showing 3.6++ volts when probed at the sensor's plug while 5v flat when probed at the ecu socket. so i pulled an extra wire directly from the ecu and it solved the issue instantly... a very silly wiring issue
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