Question about 2002 Pontiac Grand Am

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I change the spare plugs and the car is shaking

I change the spare plugs but not the whires, and the car is shaking and feels like it is going to tur off itself.

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Sounds like the wires are on in the wrong sequence..

Posted on Jan 20, 2009

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If you preformed a tune up I would change the wires too. wires build up resistance as time goes on, and with the replacement of new plugs the resistance is too high so you are having intermittent misfires

Posted on Jan 20, 2009


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Vehicle runs roughly and misses

-Run the car to temperature.
-Unplug the spark plug wire One At A time. You'll notice witch one misdfire. (Carefull it's very hight voltage!!. Need leather glove!)
Q: How do I know it misfire or not...?
A: After unplung EACH PLUH WIRE if the engine Not change any thing. That is the one misefire.
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Don't see any thing...?
Now take hook it to a spare spak plug and click the plug's body to ground and start the car.
Q:You see spark there..?
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Yes. Then

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Mai Lor

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The car turn on but it shakes when i put on drive the check engine ligt turn on all the time stay on i did several things i reset the car ichanged the spark plugs i changed the spark whires

you need to see what codes are in the computer. you could have a misfire from a bad coil pack or stuck egr valve to a bad fuel regulator/fuel pump. We need more information towards the problem.

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Cougar 2001 V6 engine, shakes initially but it go away when the car picks up the speed? please assit

Sounds like you might need a tune-up fuel filter plugs wires an oil change air filter.Etc.

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Hi, I have a 2006 Altima with 31,500 miles. Recently, the engine start shaking when car is Idle but I still feel the shake when driving or at red lights. My second problem is a weird loud (humming) noise...

You don't need to change the spark plugs since it has only 31.5 K. The plugs should last 60K. There is a an adjustment at the gas cable end at engine to increase the idle a little bit. You can increase rpm at idle to 600 RPM. Since your RPM at idle is low that why it is shaking at idle, red lights. Let me know it it is shaking at high speed ( 2500 RPM)

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Mi pontiac 2002 is shaking I just change the spare plugs

do a full tune up when was the last time you did one

Jan 20, 2009 | 2002 Pontiac Grand Am

1 Answer

Shakes now sounds like it going to cut off

is your check engine light on?
last one of these i had in it set a code for a misfire on cyl 4 and found it had a bad ign coil.

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