Question about 2003 Chevrolet Impala

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2003 Impala starts, runs 2 seconds, stalls

Christmas Eve I had to jump the car. It took almost 20 minutes to get the jump to work, during which time I checked the jumper cable connections several times. Must admit, one of those times I put the jumpers on the wrong posts for about 5 seconds. After that it started and (Christmas miracle) no problems until we were back home except for the radio not coming on (fuse burned). Last Saturday, I was not able to start the car, although the battery and starter feel strong. I hear the fuel pump coming on, too. It will turn over and run a couple of seconds then stall.

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  • 58 Answers

In theft mode.. the fix..... try to start when eng. dies leave key on for 10 min turn off then on but dont try to start do thes 3 times on the 3rd time veh should start and run.

Posted on Jul 04, 2013

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Posted on Jan 02, 2017

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  • 21 Answers

SOURCE: 2000 Impala ls car runs fine when first start.

There are NO choke coils on your vehicle, so don't bother looking for something that doesn't exist, just like there is NO carb on your engine. What you have is either a 3.4 or 3.8 liter V-6, sequential multi-port fuel injected engine.

The first thing you should do is replace the fuel filter. This is located underneath your vehicle, in front of the rear suspension. You will need a 10mm socket or wrench to remove the bolt that holds on the mounting bracket for the fuel filter. You will then need to push the fuel line forward towards the filter, while you are pushing in the white plastic retaining clips, then while holding them him, continue to hold the filter with one hand, while pulling back the line with the other, It should easily come off. Repeat for the other line. I recommend this as the first step, because many vehicle owners don't bother to get their fuel filter changed as often as they should. It should be changed at least every 24,000 miles.

Drive the vehicle and see if that took care of the problem. If not, you most likely have a bad fuel pump, which is mounted in the fuel tank, a bad fuel pressure regulator, which is mounted on the fuel rail on the engine, it is usually black with a vacuum line going to the top of it, and you may also have a catalytic converter that is starting to go bad, as once they heat up is usually when the internal grid expands and can begin blocking the exhaust.

This may all seem overwhelming to you, but an easier solution might be for you to take it so a reputable shop and have them run diagnostics on it, with you then bringing home and doing the repair yourself to save on parts and labor. Diagnostic fees could run slightly less than $100, to slightly more than that, but could save you from buying and replacing parts that you don't need.

Hope this helps.

Posted on Apr 07, 2010

  • 75 Answers

SOURCE: 2003 Impala will start sometimes

it is possible that it's the ignition switch that's faulty, or one of the relays in the ignition circuit

Posted on Jun 01, 2009

  • 142 Answers

SOURCE: Jump Started, Now More Problems

If you are lucky, it probably burnt a/or some fuses somewhere (probably higher amperage fuses, or a Maxi fuse (large fuse), or it might have burnt a fusible link (which looks like a normal wire and varies on locations depending on vehicles but is designed to melt and prevent current flow in the event of a current overload)

But, you also might have fried some electronic modules...

Posted on Aug 19, 2008

  • 69 Answers

SOURCE: 00 Cavalier won't stay running.

need to have it scanned to see what codes it has but sounds like a security system problem factory or add on if key has chip in it security prob very likely.hope i helped

Posted on Jul 06, 2009

  • 1 Answer

SOURCE: i have a 2003 chev impala with a ignition kill

You might just have a Ignition Coil Mod or Coil Pack problem. Brendan

Posted on Jul 26, 2009

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