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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1 Answer

Astro van shakes


that could be a bad tire or an out of balance wheel the firs thing i would do is get a new/used tire from the local junk yard and see if that fixes it if not try a wheel from the junk yard or you could just put the/a full size spare on it i believe that should fix it let me know hopfully this helps

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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.
-After locate it. Tur engine off Check for crack or broken wire or bad plug.
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..?
A: No.>>> Bad plug wire. Replace it.
Yes. Then

Next step do compression test. If all are good then check injector
specification.


Mai Lor

Feb 28, 2013 | Volkswagen Cars & Trucks

1 Answer

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.

Oct 08, 2010 | 2001 Mercury Cougar

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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)

Sep 13, 2009 | 2006 Nissan Altima

1 Answer

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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