I changed my spark plugs and wires I dont remember which cabe goes to which plug I have a 2004 chevy impalav3.4L

First buy the spark plugs open the bonnet a tubular spanner is used to take out the plug remove the wire on the plug take out the plug replace connect the wire do this one at a time or you may forget which wire comes for which plug

Sounds like you may have crossed a spark plug wire . Check and make sure the correct wire is on the correct plug. Also make sure the plug wires are seated properly. If all that checks ok then pull each plug and make sure none are damaged.

change plugs, air filter if dirty, change fuel filter, check and replace spark plug boots if bad on coil over plug, to do this you have to check resistance of the boot. if has wires check plug wires.

with a 5/8 inch spark plug socket and a rachet. simply pull the wire off of the plug, change the plug , then push the wire back onto the plug.

It depends on which engine is in the vehicle. The 2004 Sonata came with two possible powertrains -- the 2.4 Lit L4, and the 2.7 Lit V6.

On the 4 cylinder engine, there are two coil packs and two ignition wires, Below each coil pack is a spark plug (#2 and #4 cylinders). The wire from # 2 coil pack goes to #3 spark plug, and the wire from #4 coil pack goes to #1 spark plug.

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Now the 2.7 Lit V6 requires you remove the surge tank (intake manifold) in order to access the spark plugs & wires on Bank 1 (Right Hand side of the engine).

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The firing order is 1 2 3 4 with 1 being the passenger side. Aveos don't have distributors, so the other end of the wire shouldn't give you much trouble.

YOU NEED LONG SPARK PLUG SOCKET. NEED A 3/8 INCH RATCHET WRENCH.YOU NEED EXTENSION.YOU NEED SPARK GAUGE YOU NEED A TORQUE WRENCH. NOT MANDATORY JUST DONT OVER TIGHTEN SPARK PLUGS STRIP ALUMINUM THREADS WAIT UNTIL ENGINE COOL TO KEEP FROM WARPING THE HEADS. SPARK PLUGS LOCATION ON TOP OF CYLINDER HEADS.TO GET TO SPARK PLUGS THE COILS ON TOP EACH SPARK PLUG.HAS TO BE REMOVED BY REMOVING SMALL SCREW.THAT HOLD COILS DOWN.AND CHANGE ONE SPARK PLUG AT A TIME SO YOU WONT GET THEM MIXED UP.GAP PLUGS AT 0.028 - 0.031

Well first you will want to get the right size spark plug socket , the rigt sized one for your envoy and then next you will want to remove one spark plug wire at a time so you do not cross any of the wires or if you do you will mess up the timing for the envoy now how to remove a spark plug wire, look first at the plug wire and then gentky twist the wire on the end that goes over the spark plug and carefuly pull back but do not break the wire, next with an extention and the socket put the socket over the spark plug and turn the plug counter clock wise until you have removed the plug and then put the new spark plug in and place the spark plug wire back on the spark plug and just repeat the prosses on the rest,agin do them one at a time that is how I change spark plugs and wires and i have been doing it for years.

remove the dog house and remove and replace the spark plugs through the wheel wells with front front wheels off you will need a 5/8 swivelsocket and a long extension oh ya dont forget to remove the rubber inner fender wells. good luck its not that bad change 1 plug wire at a time if you dont have a manual.

hi hillardgarne,

1. Purchase a wrench for spark plugs
2. pull the tension wires from engine.
3. insert the wrench until wrench gets a grip of spark plug
4. turn until plugs are completely loose
5. do this for the rest of the plugs
6. replace old with new plugs.
7. do the same thing but now, you tighten the plug (like screws)
8. return the tension wires

important:

* remember to know exactly the correct location of each tension wires, return to it's exact location (length of wires will help)
* as you take out old plugs, cover the hole where plugs are placed for it not to get dirty.
* in replacing, make sure that plugs are tightly inserted (not to tight though)

hope it helps.