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Chevrolet Impala

 

Report: Engine Starts and Stalls Due to Secutiry System Fault

Chevrolet Impala Problem
19 Reports
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Model Years Affected: 2000, 2001, 2002, 2003, 2004, 2005

Engines Affected: 3.4L V6, 3.8L V6

Average Mileage: 120,364 mi (35,000 mi - 236,772 mi)

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The engine may start and stall with the security light flashing. This is commonly caused by a failed passlock sensor which is part of the ignition lock cylinder. A secondary cause could be the ignition switch itself. Worn contacts inside the ignition switch can cause voltage drop issues which can affect the passlock system. Proper diagnoses should be performed before replacing any parts.

  • lil james, 2000 Chevrolet Impala, 3.8L V6, 150,000 mi
     Rookie

    car wont start due to no fire to the crank sensor and fuel pump

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  • Visitor, 2003 Chevrolet Impala, 3.4L V6, 88,352 mi

    NOT STARTING and SECURITY LIGHT is problem--no problem with engine stalling
    every month or so--SECURITY LIGHT comes on and stayed on for few minutes
    6 months ago, 3 months ago
    when key turned to start car--no sound--not start
    all electrical devices work
    wait---then start after 3 to 15 minutes--engine has NEVER stalled
    then last week, not start, rotate through messages
    3 minutes, 15 minutes later--still not start
    half hour later, car started, but CHECK ENGINE LIGHT came on and stayed continuously each time engine was started
    Mechanic charged retail to replace ignition lock cylinder $ 225.90, almost that much to remove and replace, plus diagnostic fee, and recoding and reprogramming fee

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  • Visitor, 2003 Chevrolet Impala, 3.8L V6

    Car will not start and security light is on. Wait about 20 minutes then car with start. Keeping happening on and off. Then finally I have to buy new battery like every 6 months. Haven't repair yet, trying to find out myself if anyone solved this problem.

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  • Visitor, 2004 Chevrolet Impala, 3.8L V6, 152,000 mi

    The check engine light is on and no DTC's are present. The car cranks but dies not start and the security light is flashing

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  • Visitor, 2000 Chevrolet Impala, 3.8L V6, 152,000 mi

    sooo irritating when it does this!!!

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  • Mccreary01, 2001 Chevrolet Impala, 3.8L V6, 80,000 mi
     Rookie

    Ocassionally car will not start. 9 times out of 10 if I try again in 15 or 20 mins it will start then. GO Figure??

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  • Visitor, 2003 Chevrolet Impala, 3.8L V6, 95,000 mi

    Still a problem!I have to remove Battery cable for 15 mins and then it will start.I no longer trust this car.

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  • Visitor, 2002 Chevrolet Impala, 3.4L V6, 200,000 mi

    Car would start but once I arrived at one location tried to go to another it would not start had to wait 15 minutes to half an hour,replaced BCM,ignition lock cylinder and switch now engine is shaking real bad horn doen't work, power locks, windows or trunk do not work on it security light is on.

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  • Denner, 2004 Chevrolet Impala, 3.4L V6, 236,772 mi
     Rookie

    Security light flashes, car won't start

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  • Visitor, 2004 Chevrolet Impala, 3.8L V6, 35,000 mi

    car won't start - security light flashes- get out of the car close the doors - lock it with remote - leave it alone - wait 10 minutes and try it again - took me 3 times of the car doing this before I realized to leave it alone - don't play with the remote ie: lock and unlock

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