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Check engine light on 2003 Chevrolet impala - Impala Chevrolet Cars & Trucks

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 63 Answers

SOURCE: 2003 Chevrolet Impala transmission non-smooth shift

put a transmission line cooler on it

Posted on Feb 01, 2009

  • 1 Answer

SOURCE: Check engine light is steady on 2003 Chevrolet Impala LS

My fans that cool the engine do not come on at all. The temperature climbs when I sit still. When I drive, the car seems to cool down.What do I need to do.

Posted on Mar 19, 2009

  • 4 Answers

SOURCE: Have a 2003 Chevy Impala. Check engine light

Bank 1 is the rear O2 sensor, but experience says to change both. The front one is right behind the engine in the middle of the engine compartment. The rear O2 sensor is on the top of the exhaust pipe, just behind the catalytic converter. But the same code that shows it is the O2 sensor (which is P0420), is the same code for the catalytic converter, or a vacuum leak. Make sure if you do change the catalytic converter, ensure that the new one is OBD-2 compliant. And the vacuum leak could possibly come from the manifold gasket. Let me know what the problem was!

Posted on Mar 26, 2009

Zeevert
  • 373 Answers

SOURCE: 2003 Impala: HOW DO I CHANGE BATTERY 2005 CHEVROLET IMPALA...

The battery is under the hood, just behind the passenger headlight.
There is a black bar that crosses over the battery and goes back towards strut tower. Remove this bar and the three bolts; probably a 12 or 13mm socket.
Remove the negative (black) battery cable with an 8mm socket or wrench. A 5/16" should work also.
Then remove the positive (red) cable with same socket.
Remove the battery clamp and bolt. Probably a 12mm socket with extension.
It's tight, but the battery can be removed.
Reverse instructions for installing the battery. (That includes hooking up the red battery cable first, then the black cable.)

Posted on Jun 06, 2010

  • 46 Answers

SOURCE: why did the security light come on in my 2003

That indicates there is a pass-code error. There are a few reasons why. Easiest way to explain it, is that your key has a "chip" in it, with a resistance or "password" that your cars computer is looking for. It means that your cars computer did not see the right password. It will probably reset itself once it sees the correct password a few times. If not, you want to get it checked, because if it happens too often, the vehicle will not start.

The causes for this problem on these vehicles are generally the ignition switch or passlock sensor. There is also sometimes a water leak that occurs at the right front cowl, check the inside passenger side floor area, if it is wet. It could then be a BCM problem. Goodluck

Posted on Nov 29, 2010

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Where is the license plate light fuse on 2003 chevy impala?


2000-2005 Chevrolet Impala Interior Fuse Check - 2003 ...

www.carcarekiosk.com/video/2003_Chevrolet_Impala_3.../fuse.../check
The video above shows how to check for blown fuses in the interior fuse box of your2003 Chevrolet Impala and where the fuse panel diagram is located.

Replace a Fuse: 2000-2005 Chevrolet Impala - 2003 ...

www.carcarekiosk.com/video/2003_Chevrolet_Impala_3.../fuse.../replac...
The video above shows how to check and change blown fuses in the engine bay of your2003 Chevrolet Impala in addition to where the fuse box diagram is ..

Dec 16, 2015 | 2003 Chevrolet Impala

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My chevy impala is running cold and my check engine light came on.


It sounds like your thermastat is stuck open. The check engine light will come on if the vehicle does not come up to operating temperature

Jul 18, 2011 | 2003 Chevrolet Impala

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2003 Chevy Impala, running hot. Changed fan shroud because cooling fan wouldn't turn on, switched out fan relays, no check engine light. Cooling fan still will not turn on.


Would turn the key on no need to start it and unplug the ect engine coolant temp sensor. If fans come on then suspect a faulty etc which may not turn on the engine light. Which engine is in the vehicle so I can help locate the ect which is usually by the thermostat housing.

Jun 12, 2011 | 2003 Chevrolet Impala

2 Answers

My 2003 impala check engine light is blinking when i go above 30 miles


Hello and welcome, when the check engine light flashes, this means a engine miss that can cause damage to the cat. converter if you keep driving, you will need to have the system scanned for trouble codes, probably has a code P0300. a engine miss can be caused by spark plugs, plug wires, ignition coils, injectors or even a internal engine problem

Apr 05, 2011 | 2003 Chevrolet Impala

1 Answer

My check engine light keeps blinkin on my 2003 chevy impala and keeps shakin


Take it in, a blinking check engine light is not a good sign. Solid yellow is ok, blinking yellow or red is in need of service. Get the codes checked asap.

Feb 12, 2011 | 2003 Chevrolet Impala

1 Answer

My check engine light came on recently on my 2003 chevrolet impala. I went to Autozone and was told I needed coolant. Tech added coolant and told me light would reset. How long does it take to reset, or do...


Disconnect the "Ground" (black) wire on the battery for aprox 30min. It should reset. However you WILL need to reset fav. stations on radio, clock, ect.

Dec 30, 2009 | 2003 Chevrolet Impala

1 Answer

Transmission Shakes Check Engine light is on


fit a manual gearbox ??check oil level with reverse gear selected ,engine running and chocks under drive wheels .

Apr 12, 2009 | 2003 Chevrolet Impala

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