Chevrolet Impala Car Repair Questions

Chevrolet Impala questions answered by a GM factory Technician.

Ask an expert mechanic. Noises, oil filter problem, alternator and battery issues, airbag and traction controls.

I have a 2003/2004 impala i was driving it on the high way the other day and when i started accelerating, it gave me trouble like it was tugging my car and the faster i tried to go it wouldn't want to go or keep up, so while that happened

My 2006 Chevy Impala was recently wrecked on the driver side and now my driver aide tail light wont work. I have checked the bulb and the fuses and they are both good. It worked before it was wrecked but now doesnt.

i have 2005 Impala the thermostat was stuck to where it would instantly overheat. I just filled up with water and antifreeze and a few miles down the road it went into limp mode then made a weird ticking noise

My car is overheating. And keep melting the overflow tank. I don't know what to do anymore. Thermostat been changed. I need help with this please.

Security light on 2003 Chevy Impala Issues with the Security light & car not starting. At times, it acts as if the car is possessed! We have had luck with turning the key into the start position & waiting 10 minutes & starting again. Yesterday after work, that did not work. I tried that 3 times with no luck. While waiting for a ride home, I tried turning the key one more time & the car started right off. Started this morning & when I left for lunch.

2006 Chevy Impala. Engine Size: V6.
Question: My Chevy Impala has a problem with the heater. The vents blow cold air when i am sitting at a stop light idle for more than a minute. Had a mechanic check the car and said the coolant was low but could not find a leak.

2006 Chevy Impala LT. V-6 3.5 liter.
Question: My wife has a 2006 Chevy Impala LT and today while driving her car the traction control light came on, immediately after that the service engine soon light appeared. Then the following messages came up " Service Traction Control" and then "Reduced Engine Power"

2003 Chevrolet Impala. Engine Size : 3400 Question: overheating., have changed water pump, thermostat,intake gasket, and radiator please help. Need a solution.....

Answer: Looks like you've covered just about everything there is, except the big one. Basically, the only thing left would be a blown cylinder head gasket. Have seen this many times on the 3400 engines over the years. Usually it's just the back cylinder head,

Chevy Impala 2006. Engine Size : 3.5
Question Here: The wipers are always staying on on this car, even when we shut the wipers and ignition off. Any suggestions?

Question: My wife had a remote car starter installed about 3 weeks ago. 2 days ago there was a meltdown in the engine compartment. There was a ground wire attached to the fuse box near the battery that melted and melted some of the plastic sheeting around some of the wire harnesses (this wire goes from the ground on the fuse box along the fire wall and into the main car compartment via a hole near the steering column.

2004 Chevy Impala. Engine Size: 3400 v6.
My check engine light came on. While I was driving my car the check engine light started flashing and the car acted like it didn't want to go. When I turned the car off, it will not start. It acts like it wants to start but will not stay started.

2002 Chevy Impala. Engine Size: 3.8
Question Here: Heater air conditioning fan was only working on 3 4 5 . 1&2 not working . Last week none work. Is it the resistor and where is it located ?

2005 Chevy Impala. Question: The Temperature Gage goes pass the 220 mark and kicks down, but when turning the heater on, does not give out heat. It has to jump up several times pass the 220 mark before throwing out heat in the car. I had the car tested and it came back with the po122 reading. What do I need to do to correct this problem?

2006 Chevrolet Impala. Question: What could be the problem with a ticking noise coming from the dashboard. sounds like a machine gun. Ive heard that it could be an air duct flapping out of control. The ticking begins whenever i use my air or heat controls

2000 Chevrolet Impala. 3400 V6.
Question: On do we replace the o-ring on the intake the line from intake to heater.

Answer: Exactly which O-ring are you referring to? Are you talking about the O-ring on the pipe that is on top of the water pump

Question: Why can't I get the shifter to move from Park to drive or reverse. It is a floor shifter. My 2006 Chevrolet Impala won't shift out of Park gear. I turn the key and stepped on the brake like always do, press the button on the shifter and try to move it. It won't budge. The button barely even moves in when I press it.

2001 Chevy Impala 3.8 V6. Check engine light. Misfire on cylinder 6. Repairs: Changed plugs wires and coil pack for that cylinder. Also changed air filter.
The engine idles fine but when you try to accelerate it has no power and sputters a lot and will not accelerate also does get somewhat hot and there is the smell of rotten eggs. what is causing this and how do i fix it?

Question: 2001 Chevy Impala and am having problems with it off and on. It starts with the anti lock brakes activating on there own and sometimes it stops. Other times it will kick on the traction system and the ABS light will come on. You can feel the brakes dragging when it happens. Doesn't happen all the time but seems to be happening more often now. The wheel bearings are tight.

2006 Chevy Impala 3.5v6. Warning lights = Engine oil level low. No external leaks.
Twice the engine oil level low has come on.i use Valvoline 5w-30 full synthetic oil and change oil and filter every 5,000 miles.there are no external leaks. what is causing this problem?

Is the oil level actually low or not?

1st: the radio will not play; It seems there is a loose connection in the speaker wires. The radio is on and it lights up, but the lryics, station and message info comes on. Every once in awhile the radio starts playing for a short time- two to twenty minutes.

2nd: The water temperature gauge and A/C compressor quit working. The weather seems to be a factor when high moisture. I was thinking there may be a terminal connection that could be loose, corroded or both that have all these things in common.

2003 Chevy Impala 3400 V6. I've been hearing a vibrating sound or grinding sound when i first push the gas pedal. it used to happen every once in a while and now its doing it more often. a couple weeks ago i pushed the gas and the grinding sound came on, then the service traction system light stayed on.

My 2003 Chevy Impala blew oil filter seal. 3400 V6. No work done. car was working perfect.
Changed filter. dropped base pan and looked at oil pump. The oil filter seal blew out. replaced filter and the same thing happened. last oil change was 5000kms ago.seems to be building pressure. seal blows out in about 8 to 10 seconds.

Problem with my 2004 Chevy Impala. Check engine light/Traction Control.New brakes and rotors all around. I got into my car a week ago and turned on the radio after turning on the car and it came on but I have no sound at all. My chimes that indicate low fuel, and seat belts are also affected.

Problem with my 2006 Chevrolet Impala LS V6 Service battery charging system. Question: The car would not start or even turn over. I tried battery charger overnight, but it was still showing less than 12 volts although it did start. It is my elderly neighbors car and they insisted that they wanted to go ahead and get a new battery. I got a new battery for them and changed it out.

2004 CHEVY IMPALA. HEAD LIGHTS GO OUT,THAN COME BACK ON,THAN OK FOR WEEK OR SO THAN DO IT AGAIN, EVERYTHING ELSE WORKS. My GM Dealer Could not fix it. CAN YOU HELP? THANK YOU.

 

Answer: Well, 2 of the two most common problems are a faulty headlight switch, or a Body Control Module (BCM).

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How Things Work

Power Steering- Electric- How Does It Work

The electric power steering (EPS) system reduces the amount of effort needed to steer the vehicle. The system uses the body control module (BCM), power steering control module (PSCM), torque sensor, discrete battery voltage supply circuit, EPS motor, serial data bus, and the instrument panel cluster (IPC) message center to perform the system functions.

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Common Engine Codes

P0108 MAP Sensor Description and Repair

The manifold absolute pressure (MAP) sensor responds to pressure changes in the intake manifold. The pressure changes occur based on the engine load. The MAP sensor has the following circuits:

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