 Changed ignition wires/spark plug now misfire!!, 7AFE guru's... help! |
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 Jan 12, 2010 - 10:03 PM
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Enthusiast  Joined Aug 23, '09 From SL,UT Currently Offline Reputation: 0 (0%)  |
Today i switched out a few things on my Celica. Including changing oil, changing thermostat, changing spark plugs, and changing ignition wires. After changing everything im getting this really bad missfire. I think maybe I plugged the wire set in the wrong order, or Im missing a vaccum line or something but cant find anything!!
Here's a pic of the engine, see if you guys spot anything. Thanks in advance!..  
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Jan 12, 2010 - 10:18 PM
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 Enthusiast Joined Apr 28, '09 From York pa Currently Offline Reputation: 3 (100%) |
which cylinder is misfiring?
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Jan 12, 2010 - 10:40 PM
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Enthusiast Joined Aug 23, '09 From SL,UT Currently Offline Reputation: 0 (0%) |
Im not sure, how do i check that?
I unplugged each coil one by one and when i unplugged the the 3rd one (going left to right) it shut off the engine. |
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Jan 13, 2010 - 12:30 AM
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 Enthusiast Joined Apr 23, '08 From Muskego,Wi Currently Offline Reputation: 8 (100%) |
you probably mess up the firing order of the wires. Unless for some reason the cap or rotor or one of the new wires is going on its way out.
-------------------- 2nd Gen 3s-gte.... It lives!
97celiman "92-gt-quit making up random acronyms that dont mean anything. the only real acronym is JDM" |
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Jan 13, 2010 - 12:55 AM
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Enthusiast Joined Aug 16, '03 From Bay area Currently Offline Reputation: 0 (0%) |
you messed up the firing order OR you had a bad wireset.
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Jan 13, 2010 - 1:07 AM
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Enthusiast Joined Aug 23, '09 From SL,UT Currently Offline Reputation: 0 (0%) |
Thats what im thinking too (firing order.) Does anyone know where i can find the correct firing order, or a diagram?
Im going to get a new cap and rotor tomorrow just to make sure it isnt one of those. |
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Jan 13, 2010 - 1:46 AM
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 Enthusiast Joined Feb 28, '07 Currently Offline Reputation: 1 (100%) |
ok you have it wired wrong it looks like...say the cylinders (standing in front of the hood facing the trunk)are 1 2 3 4..switch the wires on 1 and 2...then it should run normal
-------------------- BANNED. for life, you moron.
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Jan 13, 2010 - 1:54 AM
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 Enthusiast Joined Feb 24, '07 From Oahu, Hawaii Currently Offline Reputation: 23 (100%) |
pre-gapped plugs or you gapped them yourself??
-------------------- I don't normally drive fast, but when I do its on a curvy section of this island
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Jan 13, 2010 - 2:47 AM
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Enthusiast Joined Aug 23, '09 From SL,UT Currently Offline Reputation: 0 (0%) |
CelicaST_CALI: Thanks!! Im gonna give that a try as soon as i get home! still at work UGH!!
808celica: I bought some NGKs at autozone. I double checked the gap just to make sure it was ok and they were at .032mm. Which was what they told me was the correct gap. This post has been edited by viruz_one: Jan 13, 2010 - 2:48 AM |
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Jan 13, 2010 - 5:10 AM
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Enthusiast Joined Feb 24, '07 From Oahu, Hawaii Currently Offline Reputation: 23 (100%) |
put back your old wires (should've labeled it before removing) and see if you still get miss fire. since you will be in the distrib why not check the ignition coil resistance with a multimeter and see if you're getting the right power.
This post has been edited by 808celica: Jan 13, 2010 - 5:11 AM -------------------- I don't normally drive fast, but when I do its on a curvy section of this island
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Jan 13, 2010 - 9:55 PM
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Enthusiast Joined Feb 28, '07 Currently Offline Reputation: 1 (100%) |
i have a 7afe and checked my order,do wat i said,if the problem remains,do wat 808 said.
-------------------- BANNED. for life, you moron.
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Jan 13, 2010 - 9:59 PM
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Enthusiast Joined Aug 23, '09 From SL,UT Currently Offline Reputation: 0 (0%) |
Did what CelicaST recommended and it purrrssss now like a kitten. Now i just need to add antifreeze. My temp guage seems to jumping all over the place after the thermostat change. But overall running good! Thanks guys for the help.
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Jan 13, 2010 - 11:52 PM
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Enthusiast Joined Apr 23, '08 From Muskego,Wi Currently Offline Reputation: 8 (100%) |
did you bleed out the cooling system?
-------------------- 2nd Gen 3s-gte.... It lives!
97celiman "92-gt-quit making up random acronyms that dont mean anything. the only real acronym is JDM" |
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Jan 14, 2010 - 5:19 AM
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Enthusiast Joined Apr 27, '09 From West Coast Canada Currently Offline Reputation: 0 (0%) |
QUOTE (Stambo @ Jan 13, 2010 - 11:52 PM)  did you bleed out the cooling system? lol?.... |
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Dec 2, 2010 - 3:36 PM
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Enthusiast Joined Oct 22, '08 From McAllen Texas Currently Offline Reputation: 0 (0%) |
your cap says 1,2,3,4 and your wires say 1,2,3,4...it's not thaaaaat hard
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Dec 2, 2010 - 10:16 PM
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 Enthusiast Joined Nov 25, '08 From dillsburg pennsylvania united states Currently Offline Reputation: 12 (100%) |
you deff got cyl 1 and 2 switched on the cap take the two rear wires and switch them youll be set for sure
--------------------  those with golf balls golf those with real balls race |
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Dec 5, 2010 - 12:22 PM
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 Enthusiast Joined Jan 16, '07 From covington, KY Currently Offline Reputation: 9 (77%) |
QUOTE (deeeggoh @ Dec 2, 2010 - 3:36 PM) your cap says 1,2,3,4 and your wires say 1,2,3,4...it's not thaaaaat hard Only if you buy from Toyota will it 1-4 on the wires and cap. P.S. Not everyone knows how to work on cars, just like you prob. dont know how to do open heart surgery. |
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