☰
Login
Join
×
Ask a Question
Questions by Vehicle
Repair Topics
Testing / Diagnostics
Repair & Service Guides
Symptoms
Warning Lights
Trouble Codes
How It Works
Videos
Login
Become a Member
Home
Buick
Ranier
Engine
Symptoms
Low Power
Engine loses power and shuts off at a stop
2005 BUICK RANIER
160,000 MILES • 4.2L • 6 CYL • 2WD • AUTOMATIC
JAMIE MOORE
MEMBER
1 POST
When running and come to stop it shuts off. It seems it is losing power also. What could cause to lose power and shut off when you stop?
Dec 10, 2017 at 9:28 PM
Advertisement
JACOBANDNICKOLAS
✓
Experienced Mechanic
110,248 POSTS
A plugged catalytic converter can cause a power loss.
https://www.google.com/search?q=2carpros+how+to+check+a+catalytic+converter&rlz=1C1PRFB_enUS461US461&oq=2carpros+how+to+check+a+cataly&aqs=chrome.0.69i59j69i57j69i64.7192j0j7&sourceid=chrome&ie=UTF-8
As far as the idle, the idle air control (IAC) is what maintains engine idle speed.
https://www.2carpros.com/articles/how-a-idle-air-control-valve-works
Dec 11, 2017 at 10:47 AM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Add image or video
Ask a new question
Frequently Asked Problems for This Vehicle
Engine won't start
→
Engine stalls while driving
→