Check engine light flashes for a second

Wow! I just posted the same question five minutes ago...basically. Except mine has gotten much worse lately. I pulled my codes and posted them for the code gurus to take a look at. Keep an eye on my thread and I'll keep an eye on yours. Maybe we'll get some answers.

mine used to do that i took off the egr valve cleaned it good with carb cleaner. no more problems.

Dump the codes and see what the computer says is wrong…

Here's the link to dump the computer codes with only a jumper wire or paper clip and the check engine light, or test light or voltmeter. I’ve used it for years, and it works great.

See http://www.troublecodes.net/Ford/
OR
See http://www.dalidesign.com/hbook/eectest.html for more descriptive help
OR
See http://www.mustangworks.com/articles/electronics/eec-iv_codes.html

IF your car is an 86-88 stang, you'll have to use the test lamp or voltmeter method. There is no functional check engine light on the 86-88's except possibly the Cali Mass Air cars.

Codes have different answers if the engine is running from the answers that it has when the engine isn't running. It helps a lot to know if you had the engine running when you ran the test.

Trouble codes are either 2 digit or 3 digit, there are no cars that use both 2 digit codes and 3 digit codes.

For those who are intimidated by all the wires & connections, see http://www.actron.com/product_detail.php?pid=16153 for what a typical hand scanner looks like. Normal retail price is about $30 or so at AutoZone or Walmart.

I have had a few of my cars do that in the cold. It's probably emissions related. Or a sensor going bad. Pull the codes. It will probably be something like EGR or thermactor pump.

Have a scanner check your computer for codes.

As I said earlier, mine did the same thing. I took you guy's advice and replaced the O2 sensors last night (they had 125,000 miles on them) and cleaned out the egr. No more blinky. Yeeeaaahhhhh! Thanks guys!