Can you change the spark plugs on a GMC Denali?
Is it difficult to change the spark plugs on a 2007 GMC Denali with a 6.2 liter V8. Not really. Just remove the plug wire without damaging it, and use the proper socket, extension, and U-joint to remove and install the plugs. @Groy I would also budget for a spark plug wire set and the spark plug heat shields.
Can a lack of Spark cause a misfire?
because the cool thing is that no matter if you have misfire codes or No Codes at all, the core cause of the misfire is a lack of spark, or fuel or air (think engine mechanical problem such as: vacuum leaks, low compression, etc).
How to troubleshoot a misfire ( GM 4.8L, 5.3L )?
Engine Mechanical: Misfire Troubleshooting. You can find this tutorial in Spanish here: Cómo Diagnosticar y Resolver Una Falla en Cilindro (GM 4.8L, 5.3L, 6.0L) (at: autotecnico-online.com ). The core symptom of a misfire is rough idle.
What makes a GM ignition coil spark away?
This Triggering Signal is known as the IC (Ignition Control) Signal in the GM service literature. The ignition control module now starts to open and close the primary current circuit of the ignition coil and as you may already be aware, it’s this opening and closing action that makes the ignition coil spark away.
Is it difficult to change the spark plugs on a 2007 GMC Denali with a 6.2 liter V8. Not really. Just remove the plug wire without damaging it, and use the proper socket, extension, and U-joint to remove and install the plugs. @Groy I would also budget for a spark plug wire set and the spark plug heat shields.
What to do when your engine has no spark?
Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. Finally, Have someone crank the engine and watch for spark. Remove one of the coils from the spark plug. Use an extra spark plug. A spark plug tester. Or even a screwdriver in the end of the coil.
How much is a spark plug for a GMC Sierra?
Shop AutoZone for GMC Sierra 1500 Spark Plug. 10% OFF $75. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only
How to test no spark no start test?
No spark from all of the Coil-On-Plug Ignition Coils. No fuel injector pulses from the fuel injector connectors as tested using a Noid Light. P0335: No Crank Sensor Signal Detected. P0336: Inconsistent Crank Sensor Signal Detected.