The code says cylinder 1 but it acts like if you took a wire off, shifts hard, and studders.
Dec 4, 2023 at 12:20 PM
misfire code says cylinder 1?
2007 CHEVROLET AVALANCHE
ANTHONY BUGBEE
- MEMBER
- 1 POST
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- ✓ASE Certified Mechanic
- 54,832 POSTS
So, a misfire can be the spark plug, ignition coil/wire, a fuel injector or low compression. Let's remove the spark plug first for inspection, this guide can help, and I have included instructions in the images below that will help you on your car:
https://www.2carpros.com/articles/how-to-change-spark-plugs
This guide can help as well:
https://www.2carpros.com/articles/engine-misfires-or-runs-rough
Please upload an image of the spark plug end so I can see it. Check out the images (below). Please let us know what happens.
https://www.2carpros.com/articles/how-to-change-spark-plugs
This guide can help as well:
https://www.2carpros.com/articles/engine-misfires-or-runs-rough
Please upload an image of the spark plug end so I can see it. Check out the images (below). Please let us know what happens.
Images (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Dec 4, 2023 at 3:23 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.