Question about 1998 Ford Expedition

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Misfire cylinder # 2

I changed the spark plugs and before i did this it was shaking so bad bad so when i changed the spark plugs it got better and it started shaking when i runned it to 30 miles it started pulling.

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  • Francisco DeLeon Jan 02, 2009

    Can someone please give me a solution to see what i can do to my truck on this situation i have with the misfire # 2 what can i do is it the coil or the wire





    thank you

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Dont assume new parts are always good, try again

Posted on Jan 02, 2009

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1 Answer

How to fix cylinder misfire?


did you check the spark plug wire to #2 cylinder?
did check the #2 cyl pressure?
did you check the#2 injector for possible clogged or leaky injector?

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2005 lincoln ls shakes when idling


Run a leak down test on it.You may have a burnt exhuast valve.

Jan 14, 2012 | Lincoln LS Cars & Trucks

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Cylinder 1 misfire 2003 chevy impala.. My car started running rough all of a sudden today. like the engine was shaking. took it to auto one said cylinder 1 misfire. what does that mean & what should i...


a number one misfire means that the number one cylinder is no longer working as good as it should or is not working at all. The number one cylinder is on the back side of the engine on the passenger side. 1-3-5 are the three cylinders in the back.

Three basic things can cause a misfire.
1. a bad spark plug wire
2. a bad spark plug.
3. a bad injector.

Remove the sparks plug wire from the spark plug and remove the spark plug. Inspect the inside of the wire and the outside of the plug to see if there is any carbon tracking. it will look like black lightning bolts. If there is any carbon tracking replace the plugs and wires.

Check the spark plug gap. It should be around .060". if its over .080" the plug is worn out.

Check for spark with a spark tester.

the fuel injector is a little trickier.

Start with the things above and let me know what you find and we'll go from there.

Sep 28, 2011 | Cars & Trucks

1 Answer

Missing,viborating


Misfire could be a number of things:
a) spark plugs - change them if used over 15K miles - inspect/regap.
b) spark plug wires - change them if over 15K miles - inspect
c) ECM (electronic control module) - test with HEI (high energy ignition) tester.

The vibrating tells me that the engine is running on less than its normal compliment of cylinders - the shaking is produced by the imbalance caused in the engine by one (or more) cylinder(s)
not firing at all.

The "Check Engine" light probably is coming on due the the misfire condition. Go to Pep Boys or
Advance Auto Pats, where they'll tell you (free) your codes causing the "Check Engine' light to be
lit - the code coming from your truck's computer will probably be one or more of:
P0300 - Random/Multiple Cylinder misfire detected
P0301 - Cylinder 1 misfire detected
P0302 - Cylinder 2 misfire detected
P0303 - Cylinder 3 misfire detected
P0304 - Cylinder 4 misfire detected
P0305 - Cylinder 5 misfire detected
P0306 - Cylinder 6 misfire detected
P0307 - Cylinder 7 misfire detected
P0308 - Cylinder 8 misfire detected
P0313 - Misfire detected with low fuel

Jun 23, 2011 | 2009 Ford F-150

1 Answer

Vehicle missing,shaking,engine light comes on


Misfire could be a number of things:
a) spark plugs - change them if used over 15K miles - inspect/regap.
b) spark plug wires - change them if over 15K miles - inspect
c) ECM (electronic control module) - test with HEI (high energy ignition) tester.

The shaking tells me that the engine is running on less than its normal compliment of cylinders - the shaking is produced by the imbalance caused in the engine by one (or more) cylinder(s)
not firing at all.

The "Check Engine" light probably is coming on due the the misfire condition. Go to Pep Boys or
Advance Auto Pats, where they'll tell you (free) your codes causing the "Check Engine' light to be
lit - the code coming from your truck's computer will probably be one or more of:
P0300 - Random/Multiple Cylinder misfire detected
P0301 - Cylinder 1 misfire detected
P0302 - Cylinder 2 misfire detected
P0303 - Cylinder 3 misfire detected
P0304 - Cylinder 4 misfire detected
P0305 - Cylinder 5 misfire detected
P0306 - Cylinder 6 misfire detected
P0307 - Cylinder 7 misfire detected
P0308 - Cylinder 8 misfire detected
P0313 - Misfire detected with low fuel

Jun 23, 2011 | 2004 Ford F150

1 Answer

04 sunfire drove perfect all day but just as I was pulling in my parking lot it started shaking real bad....what could be wrong?


Sounds like an engine misfire, One of the cylinders isn't firing correctly, You could have a bad spark plug or injector, but that year sunfire were known for faulty ignition coils. If the shake was severe enough it would indicate a coil issue because 2 out of you 4 cylinders aren't firing properly (a coil controls spark to 2 cylinders at a time). To be sure have it checked out at a garage, if the check engine light is on have it scanned at a large parts retailer (usually for free) or at a locate reliable garage. It would better determine the cause of the shaking.

Feb 02, 2011 | 2004 Pontiac Sunfire

1 Answer

I have a P0301 CODE


That code is "cylinder number 1 misfire". You can check for a bad spark plug by switching the number one spark plug with number two. If code 0302 comes up (misfire on 2), then the problem followed the bad No. 1spark plug over to cylinder 2. Replace the bad plug. If the code stayed the same, then it could be a bad spark plug cable. try switching the cable to another cylinder to again, see if the problem follows. A non-firing fuel injector will be silent. The others will make regular clicking noises that you can hear better if you place the tip of a screwdriver on the injector and put the end of the handle against your ear. (An automotive stethoscope works even better!) These are the first simple steps to take.

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1 Answer

It shows cylinder 4 misfire ,,i changed spark plug and ignition coil but still same problem ,,engine shakes while driving but after 60mph its smooth........


a misfire can either be fuel, spark or mechanical........have you had the compression checked for a bad cylinder......as it is injected, are you sure whether this is blocked or not working.....and are you getting a spark from the coil.....each of these need to be checked

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1 Answer

2001 PT CRUISER MISFIRE CYLINDER 2


Do you know how check the engine codes? Turn the key 3 times and the codes will be displayed where the odometer number is displayed.
If the code is 302 it is spark plug mis fire.
It could be a bad fuel injector.

May 26, 2010 | 2001 Chrysler PT Cruiser

1 Answer

When it idles the vehicle shakes. it idles rough


It sounds like there may be a cylinder misfire... .basically a misfire is when a cylinder does not fire correctly, This can be caused by faulty spark plugs,coil packs,dirty fuel injectors,clogged fuel filter,or bad cylinder compression. When was the last time you gave it a tune-up? I would lean towards changing the spark plugs myself. good luck

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