I think she's blowing up

97GT4.6 · March 2nd, 2008, 06:53 PM

Damn, im so stressed out right now.

Anyways, so i'm driving about a mile from my house, and all of a sudden the check engine light comes on and starts flashing, it starts missing really badly.

I shut it off, restart it and limp it home.. i noticed the passenger side closest to the firewall plug wire is off.. any ideas?

i really hope i didn't blow it up

HMUSN · March 2nd, 2008, 06:55 PM

coil came loose..

run the code.

97GT4.6 · March 2nd, 2008, 06:56 PM

okay, i don't want to drive it anywhere tho.. maybe i can have someone bring a scan tool over here.. is there anything thats visible that i can notice right away?

HMUSN · March 2nd, 2008, 06:58 PM

well. having a plug wire not connected to your spark plug will cause a miss.

reconnect it and start the motor and see what happens.

97GT4.6 · March 2nd, 2008, 06:58 PM

oh by the way, i put the plug wire back on and restarted it, and the wire came back off

HMUSN · March 2nd, 2008, 07:00 PM

first see if the plus is still in the head.. if not you blew a plug which means you need to get it re-threaded. if there is a plug in the head change your wires as it's probably just a bad wire.

97GT4.6 · March 2nd, 2008, 07:01 PM

okay, its still in the head, so hopefully i just have a bad wire... how can i test it? with a DMM or something?

HMUSN · March 2nd, 2008, 07:04 PM

if it's not seating properly it's not going to make a good connection.

a cheap way to test ( DON'T start your motor)
is to swap the bad wire and try and plug it into a different cylinder.

if it still falls out it's the wire.

97GT4.6 · March 2nd, 2008, 07:04 PM

okay, thanks ill go do that.

HMUSN · March 2nd, 2008, 07:05 PM

good luck.

97GT4.6 · March 2nd, 2008, 07:07 PM

how do i test it tho without starting it?

97GT4.6 · March 2nd, 2008, 07:07 PM

do you mean, after i swap the wires, i start it?

HMUSN · March 2nd, 2008, 07:08 PM

swap the bad wire and try and plug it into a different cylinder.

if it still falls out it's the wire.

97GT4.6 · March 2nd, 2008, 07:09 PM

okay, thanks man ill go try that right now

HMUSN · March 2nd, 2008, 07:09 PM

don't start it at all. lol

take the bad plug wire and try plugging it into a different cylinder. if it falls out of that cylinder as well it's a bad wire.

97GT4.6 · March 2nd, 2008, 07:18 PM

it didn't fall out, but it was looser than the other ones, so im guessing thats the problem

Jucostud · March 2nd, 2008, 08:19 PM

your car is fine man, just change your wires and plugs. my car has ran like that for 6 months

My intake manifold kept leaking into my plugs, and i kept getting a cylinder 6 misfire. Thats all being fixed this week though with my pi intake.

97GT4.6 · March 2nd, 2008, 08:29 PM

Thanks, im so relieved right now haha. it just started shakin so bad i was like time to get a new motor, and i wasn't thinking straight i guess. I'm gonna check the plugs, but for sure get new wires.

Thanks for all the help guys.

HMUSN · March 2nd, 2008, 08:34 PM

any time man.. while your in there I would change the plugs for the hell of it.

they gap at .054

97GT4.6 · March 2nd, 2008, 08:54 PM

Thanks, should i get NGK's? I heard they are the best.

March 2nd, 2008, 06:53 PM	#1
97GT4.6 Hardcore Enthusiast 97 GT 14.2@99.8 @ 4800 ft Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,347 iTrader: 1 reviews	I think she's blowing up Damn, im so stressed out right now. Anyways, so i'm driving about a mile from my house, and all of a sudden the check engine light comes on and starts flashing, it starts missing really badly. I shut it off, restart it and limp it home.. i noticed the passenger side closest to the firewall plug wire is off.. any ideas? i really hope i didn't blow it up __________________ Cammed 2v Built By MustangMatt More mods than times your daughter has slept around

March 2nd, 2008, 06:55 PM	#2
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	coil came loose.. run the code. __________________

March 2nd, 2008, 06:56 PM	#3
97GT4.6 Hardcore Enthusiast 97 GT 14.2@99.8 @ 4800 ft Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,347 iTrader: 1 reviews	okay, i don't want to drive it anywhere tho.. maybe i can have someone bring a scan tool over here.. is there anything thats visible that i can notice right away? __________________ Cammed 2v Built By MustangMatt More mods than times your daughter has slept around

March 2nd, 2008, 06:58 PM	#4
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	well. having a plug wire not connected to your spark plug will cause a miss. reconnect it and start the motor and see what happens. __________________

March 2nd, 2008, 06:58 PM	#5
97GT4.6 Hardcore Enthusiast 97 GT 14.2@99.8 @ 4800 ft Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,347 iTrader: 1 reviews	oh by the way, i put the plug wire back on and restarted it, and the wire came back off __________________ Cammed 2v Built By MustangMatt More mods than times your daughter has slept around

March 2nd, 2008, 07:00 PM	#6
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	first see if the plus is still in the head.. if not you blew a plug which means you need to get it re-threaded. if there is a plug in the head change your wires as it's probably just a bad wire. __________________

March 2nd, 2008, 07:01 PM	#7
97GT4.6 Hardcore Enthusiast 97 GT 14.2@99.8 @ 4800 ft Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,347 iTrader: 1 reviews	okay, its still in the head, so hopefully i just have a bad wire... how can i test it? with a DMM or something? __________________ Cammed 2v Built By MustangMatt More mods than times your daughter has slept around

March 2nd, 2008, 07:04 PM	#8
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	if it's not seating properly it's not going to make a good connection. a cheap way to test ( DON'T start your motor) is to swap the bad wire and try and plug it into a different cylinder. if it still falls out it's the wire. __________________

March 2nd, 2008, 07:04 PM	#9
97GT4.6 Hardcore Enthusiast 97 GT 14.2@99.8 @ 4800 ft Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,347 iTrader: 1 reviews	okay, thanks ill go do that. __________________ Cammed 2v Built By MustangMatt More mods than times your daughter has slept around

March 2nd, 2008, 07:05 PM	#10
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	good luck. __________________

March 2nd, 2008, 07:07 PM	#11
97GT4.6 Hardcore Enthusiast 97 GT 14.2@99.8 @ 4800 ft Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,347 iTrader: 1 reviews	how do i test it tho without starting it? __________________ Cammed 2v Built By MustangMatt More mods than times your daughter has slept around

March 2nd, 2008, 07:08 PM	#13
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	swap the bad wire and try and plug it into a different cylinder. if it still falls out it's the wire. __________________

March 2nd, 2008, 07:09 PM	#14
97GT4.6 Hardcore Enthusiast 97 GT 14.2@99.8 @ 4800 ft Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,347 iTrader: 1 reviews	okay, thanks man ill go try that right now __________________ Cammed 2v Built By MustangMatt More mods than times your daughter has slept around

March 2nd, 2008, 07:18 PM	#16
97GT4.6 Hardcore Enthusiast 97 GT 14.2@99.8 @ 4800 ft Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,347 iTrader: 1 reviews	it didn't fall out, but it was looser than the other ones, so im guessing thats the problem __________________ Cammed 2v Built By MustangMatt More mods than times your daughter has slept around

March 2nd, 2008, 08:19 PM	#17
Jucostud booooost'd 2007 Mustang Join Date: Nov 2006 Location: drink'n ur kool-aid Posts: 7,043 iTrader: 0 reviews	your car is fine man, just change your wires and plugs. my car has ran like that for 6 months My intake manifold kept leaking into my plugs, and i kept getting a cylinder 6 misfire. Thats all being fixed this week though with my pi intake. __________________ Jucostud's Official Build Thread 1988 LX HATCH 5.0 - FOR SALE $5,000 OBO 2007 vortech gt - SOLD! Looking for next project

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March 2nd, 2008, 08:29 PM	#18
97GT4.6 Hardcore Enthusiast 97 GT 14.2@99.8 @ 4800 ft Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,347 iTrader: 1 reviews	Thanks, im so relieved right now haha. it just started shakin so bad i was like time to get a new motor, and i wasn't thinking straight i guess. I'm gonna check the plugs, but for sure get new wires. Thanks for all the help guys. __________________ Cammed 2v Built By MustangMatt More mods than times your daughter has slept around

March 2nd, 2008, 08:34 PM	#19
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	any time man.. while your in there I would change the plugs for the hell of it. they gap at .054 __________________

March 2nd, 2008, 08:54 PM	#20
97GT4.6 Hardcore Enthusiast 97 GT 14.2@99.8 @ 4800 ft Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,347 iTrader: 1 reviews	Thanks, should i get NGK's? I heard they are the best. __________________ Cammed 2v Built By MustangMatt More mods than times your daughter has slept around

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