Started about a year ago after I had it in the shop for something. It happens at work, church, shopping mall - in other counties 50 miles from home. Have never heard it do that at home in the garage. It sounds for about 2 minutes then goes off while the lights continue to flash for another few seconds. Something very sensitive or a short in electrical or a sensor in computer??
Had a new Lincoln Mark 7, battery was bad from beginning and would trigger alarm when it shorted at random. In your case, outside radio waves may trigger alarm if shielding was removed from alarm antenna.
SOURCE: 2002 Sable LS 43,000 miles. Check Engine light on again!
without a fault code its impossible to diagnose. try pep boys or aamco or auto zone they will pull the code for you, usually for free. The code will relate to a sensor or area to be fixed. This will save you money and needless parts . post the code or codes so we can help
SOURCE: "check engine light flashing"
The flashing check engine light is typical of a misfire issue. There are two things I would do to start with.
1. Take the vehicle to an auto parts store like Autozone and have them hook up their scan tool so that they can retrieve stored trouble codes. Even if the check engine light is not on, they should be able to retrieve recently stored codes.
2. Do a complete tune up. New plugs, new plug wires, new air filter, new fuel filter if it has not been done recently.
If the parts store pulls the codes and they cannot tell you what they mean, post them up here and I will see what I can dig up for you.
SOURCE: 4th starter in 1 1/2 years on a 2002 sable
Ask the mech to dissassemble an old starter if it is not turned in for a core. If it is an oil leak are you using a lot of oil to keep it up to the full mark on dipstick. The copper windings in the starter may be soaked with oil, and the oil will attract road grime and dirt and be so clogged that the brushes cannot contack windings and clog up the whole works. Check to see if the valve cover gaskets are leaking down onto starter, they may have vibrated a little loose and just need tightened or replaced. Can really be the only thing that would go wrong with the starter, unless your battery is way to small or way to big. Check CCA, Cold cranking amps with the owners manual for replacement battery size.
SOURCE: DPFE EGR Pressure Feedback Sensor Issue - 2001 Mercury Sable
The DPFE sensor is a very common failure on all Ford models. Just have the sensor replaced. Or do it yourself. It is very easy to change you can do it in 10 minutes.
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