Question about 1991 Buick Park Avenue

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My car has been having trouble starting and has lost all power while I was driving.I've checked the alternator and the coil pack both are fine. The battery is also fine.

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  • eyesnotrequi May 09, 2010

    No the check engine light hasn't come on.

  • gwgsr May 11, 2010

    Is the check engine light on?



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Most major parts stores can check for diagnostic codes post codes

Posted on May 10, 2010

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Your converter on the exast system could be pluged,it has happened to me.

Posted on May 09, 2010

  • paullcroteau May 09, 2010

    the check engine light will not always come on



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I would want to know what the trouble codes are in the computer since the check engine light is on.
Those codes would help you or a mechanic know where to start checking.
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I have 1990 lincoln that just lost spark and stalled tomorrow it will start fine

I would say you probley have a bad coil pack , this is were i would start first.
next i would check sensors, but usually if a sensor is acting up, a trouble code will show up..
Hope this helps! Good Luck!

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Misfire in two cylinders

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This happened to me on 1997 Cadillac Deville Limousine.

Also, check for a blown head gasket with compression test.

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could be a crank sensor ,or the plug into the ignition coil you fitted has come loose ,also the chip may have fallen out of the key ,try the spare key and check the connections on the coil you fitted and see what happens ,then if it still doesnt start then have it towed because if its a 2007 model the software is no doubt encoded on a vehicle this late ,also the coil could have packed up again if the alternator is pushing out too many volts,the ECU could have developed a fault and without the correct software to try to diagnose the problem?? but check the coil connection first though.

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Changed coil pack that wasnt firing started fine

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I disconnected the coil packs and after i reconnected them the car wont start back up, what can it be?

If the car starts before disconnecting the coil packs, it might be the ground connection, have it checked. Check also the connections and the terminals if they are loose.

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Please help

had the same problem in mine we found it was the cam shaft positioning sensor. my van had shut off and we had no current to plugs and at first thought coil pack but still nothing. no power to coil pack. then found sensor no good. also we replaced the sensor with an after market sensor and worked fine for couple months then started to shut off again. after a little research found we needed original cam shaft pos sen from dealer and since then no problems. hope this works for you.

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