2001 GMC Yukon "change spark plugs" Questions

...Want to put 8 new spark plugs in and change the O2 sensors. Am I wasting my time and money not at all and when changing your spark plug there is no reason not changing the spark plug wires

...change spark plug, the one on the left by the firewall had oil on the spark plug thread. why was that? help me understand. Nothing yet. That could easily be melted grease from the engine compartment ...

...change the spark plugs. The spark plugs have some kind of metal tube over them that comes out when I pull off the spark plug wire. What are the metal covers? Do I need to put them back on? If so, how ...

...spark plugs. After check the fuel pump. You can hear the noise if the ignition key is turned ON, but do not crank the starter. You can check the injectors with a needle stethoscope, if they work they ...

spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark

...spark plugs to make the sparks. Air Filter Change * Air filters canvary in shape and , but they all serve the same function: to keep dirty andother particles out of your engine chamber. All engines ...

...and fuel pump. these seem to be the factors of why my truck only cranks but doesnt start. Ive changed the coil and fuel pump but can't find why it won't start Check all fuses and relay fuses. ...

...spark plugs, checked the plug wires, changed the fuel filter, PVC, air filter, and ran through fuel injector cleaner through it. It's still doing it. Any suggestions would be appreciated. Have you ...

...cant b defective When the plugs were installed someone could have cracked the spark plug putting it in. It often happens with the rear plugs because they force you to put them in at an awkward

...spark or start Change every sparking park and. No start I put gas in choke and doesn't even act like it going to start I get no spark out of plugs or ignition I getting a little power out of the wire ...