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Old February 2nd, 2009, 06:32 PM   #1
Weasal
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Default Testing Spark Plugs

Let me start off by stating that Im not the most engine savvy person...

Alright so basically I need to look into testing my spark plugs or spark plug wires. Whats the best/easiest way to do so without having a voltmeter?

Today I was sitting in my car while it was idling after driving a couple miles to school and out of nowhere, the engine started running really rough. It never stalled out, but never stopped either. After class, I went back to it and checked my trans and oil levels which were fine. I then drove it home doing a max of 25mph but I could still feel the engine having trouble.

I was going to replace the fuel filter to see if that was the issue, but I dont have a garage here at school to work on it, and the spare tire jack aint cutting it for me getting under the car.

So now I decided maybe Ill check into the spark plugs, but am not sure as to how to go about it.

(I would just start replacing everything, but am a poor student who doesnt have the money to go replacing everything and have it still not work)
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Old February 2nd, 2009, 06:38 PM   #2
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touch them while it is running
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Old February 2nd, 2009, 06:45 PM   #3
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Check to see if the check engine light is turned on. If so, get the codes scanned out of it and if it's a bad spark plug it should come up with a code saying a misfire in cylinder # whatever. That is what happened to me so I just had to replace the one spark plug and then it was fine.
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Old February 2nd, 2009, 07:21 PM   #4
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they are tune up parts...personally, I never check any of that stuff, because its simply not worth the time..you would have to remove it to check it, so why put the old parts back in?

save up some money and do a basic tune up...plugs, wires, cap and rotor if it has it, air, fuel and pcv filters...I'm betting there is someone willing to let you spend a couple hours in thier garage or pole barn as well...

if you really cant afford it, do the plugs and fuel filter...then change the rest when you get some money...

and please, never get under a vehicle thats supported by just a jack, let alone the cheesy little jack that comes with the vehicle...
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Old February 2nd, 2009, 07:24 PM   #5
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Plugs will cost you about a buck apiece, unless you've changed them recently I would just change them....it's only $6 and 10 minutes max.
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Old February 2nd, 2009, 07:42 PM   #6
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well the thing is, is that I dont want to start putting any money into the car if it's not going to fix the issue. A) I cant afford to dump money into it, B) It's got 180k miles on it.

The engine light is not coming on. I havent checked for any codes regardless, but I probably will after work.
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Old February 2nd, 2009, 10:25 PM   #7
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Quote:
Originally Posted by Weasal View Post
well the thing is, is that I dont want to start putting any money into the car if it's not going to fix the issue. A) I cant afford to dump money into it, B) It's got 180k miles on it.
ya, so- theyre tune up parts. your supposed to change them at an interval anyways. plugs and wires arent a high roller item. miles shouldnt matter, unless its in horrible shape, running wise [blow-by, etc]
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Old February 4th, 2009, 11:03 AM   #8
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appreciate the responses... after finding out an easy way to test them, i found out that it was the ignition coil.

also found out from the previous owner that the plugs and wires were changed about 30k miles ago, but hey, thanks anyway!
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Old February 4th, 2009, 11:34 AM   #9
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appreciate the responses... after finding out an easy way to test them, i found out that it was the ignition coil.

also found out from the previous owner that the plugs and wires were changed about 30k miles ago, but hey, thanks anyway!
So, what was the easy way to check them?????
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