 Coil Failing?, New plug wires and now it runs rough? |
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| Neptune |
 Jul 8 2021, 08:04 AM
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#1
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Newbie  Group: Members Posts: 8 Joined: 29-June 21 From: Montana Member No.: 25,675 Region Association: Rocky Mountains  |
So I Have a 70 1.7L
It was stored for 4+ years Fuel has been replaced with fresh Had a miss so decided to replace the standard maintenance ignition components. Replaced the spark plugs and found hole 1 was "wet" and carbon-ed up. Ran much better with new plugs. Continued to replace cap and rotor, because I had the new parts and they were worn. Dizzy has the OG Pertronix Ignitor setup in it. Got new plug wires yesterday, put them on and now it runs like complete crap! I checked all the connections and they are all seated as they should be and its just garbage. So from what I can tell the issue isn't just in one hole and that brings me to suspecting the coil. It is old, I've had the car since '93 and I've never replaced it. Open to all thoughts and suggestions... |
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| Neptune |
Jul 9 2021, 10:12 AM
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#2
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Newbie Group: Members Posts: 8 Joined: 29-June 21 From: Montana Member No.: 25,675 Region Association: Rocky Mountains |
@Euro911 My coil tests right at 3 Ohms.
Put the old wire set back on and still having the same issue! I must have hit something(loose wire or the like), checked for vacuum line that may have been off but found nothing now it just has a random miss... Gonna pull the plugs and see which hole(s) are fouled. When this sucker runs it runs great but when its having a temper tantrum, it can be a bit exhausting! Thanks for all the suggestions guys, and if you have any others please send them! |
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| StarBear |
Jul 9 2021, 10:14 AM
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#3
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Advanced Member Group: Members Posts: 2,085 Joined: 2-September 09 From: NJ Member No.: 10,753 Region Association: North East States 
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QUOTE(Neptune @ Jul 9 2021, 12:12 PM)  @Euro911 My coil tests right at 3 Ohms. Put the old wire set back on and still having the same issue! I must have hit something(loose wire or the like), checked for vacuum line that may have been off but found nothing now it just has a random miss... Gonna pull the plugs and see which hole(s) are fouled. When this sucker runs it runs great but when its having a temper tantrum, it can be a bit exhausting! Thanks for all the suggestions guys, and if you have any others please send them! "When this sucker runs it runs great but when its having a temper tantrum, it can be a bit exhausting!" Indeed; why some of us that give our cars names give them female names.. (IMG:style_emoticons/default/dry.gif) |
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| Neptune |
Jul 9 2021, 10:26 AM
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#4
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Newbie Group: Members Posts: 8 Joined: 29-June 21 From: Montana Member No.: 25,675 Region Association: Rocky Mountains |
QUOTE(StarBear @ Jul 9 2021, 10:14 AM) QUOTE(Neptune @ Jul 9 2021, 12:12 PM) @Euro911 My coil tests right at 3 Ohms. Put the old wire set back on and still having the same issue! I must have hit something(loose wire or the like), checked for vacuum line that may have been off but found nothing now it just has a random miss... Gonna pull the plugs and see which hole(s) are fouled. When this sucker runs it runs great but when its having a temper tantrum, it can be a bit exhausting! Thanks for all the suggestions guys, and if you have any others please send them! "When this sucker runs it runs great but when its having a temper tantrum, it can be a bit exhausting!" Indeed; why some of us that give our cars names give them female names.. (IMG:style_emoticons/default/dry.gif) I hear you loud and clear brother! (IMG:style_emoticons/default/lol-2.gif) |
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Posts in this topic
Neptune Coil Failing? Jul 8 2021, 08:04 AM
Shivers "Got new plug wires yesterday, put them on an... Jul 8 2021, 08:25 AM
Neptune
"Got new plug wires yesterday, put them on a... Jul 8 2021, 08:30 AM Shivers You could narrow it down by putting the old wires ... Jul 8 2021, 08:36 AM Shivers You know how it is, just because it is new does no... Jul 8 2021, 08:42 AM Neptune
You know how it is, just because it is new does n... Jul 8 2021, 08:52 AM Shivers Usually when they are going bad, and not dead, the... Jul 8 2021, 08:58 AM Neptune
Usually when they are going bad, and not dead, th... Jul 8 2021, 12:39 PM rhodyguy Does the ignition require a specific type of plug ... Jul 8 2021, 09:06 AM Neptune
Does the ignition require a specific type of plug... Jul 8 2021, 12:39 PM bbrock
[quote name='rhodyguy' post='2929259' date='Jul 8... Jul 8 2021, 02:52 PM euro911 When using a Pertronix module, the coil for a 4 cy... Jul 8 2021, 04:07 PM |
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