May 4, 2013 · I have a friend who has 2003 3.4L impala over 200k miles, it has several problems. Initially he broke down and the car would crank but not turn over...

May 5, 2025 · Hello, everyone this is my first post/thread and I am looking for some help with my 2003 Impala (185,000 mi) purchased 6 mo ago. My son typically drives this vehicle and last …

Nov 21, 2013 · This started about 3 days ago. When I am driving my instrument cluster freaks out and the guages stop working, I get the security light/ervice engine soon/low gas light, the ac …

My 2003 impala seems to be beginning to have transmission problems. It makes a fairly loud whining sound when it is Mechanic's Assistant chat Customer: My 2003 vehicle appears to be …

Customer: 2003 chevy Impala replaced bcm to cure problems with warning lights and door locks an A/C. Still have problems starting now and then. Will not turn over at all. I understand the …

Oct 14, 2025 · I bought a car (2003 Impala V6 3.8L) off a friend of mine who didn't want to put any work into fixing the high idle issues. The car will generally start out in park at 1200RPM and …

2003 Chevy Impala Won't Slow Down When Off Accelerator Impala may experience throttle sticking or idle control valve issues causing unintended acceleration. Check the throttle body …

Mar 3, 2017 · Recently my Impala started stalling out on the way to work. At first it was during sharp left turns but now it's also stalling while going straight. I'm just driving and it will shut off …

Nov 16, 2013 · Im working on a 2003 Chevy Impala with a 3.8 v6. The car will start and run for about 5-10 min before idle starts to break up and eventually stall out. The car will start again …

Sep 6, 2012 · How's It Going Impala Owner's, I have a 03 Impala LS with a 3.8L V6 engine and im having a problem with my turn signals and flasher's, The problem is they intermittently stop …