timing issue?

Hey guys I have a 90 lx 5.0 that when I drive it cuts out so I checked my timing and it jumps around between 10 and 20 degrees, the distributor is locked down and doesn't move, I replaced the ignition module and I have a new blaster 2 coil and msd cap and rotor, new plugs and wires, and a new ignition switch??? oh and the little plug is plugged in and of course I took it out when checking the timing.
 
Dump the codes and see what the computer says is wrong… Code 14 indicates a PIP problem, whick is the likely cause of your wandering timing.


Codes may be present in the computer even if the Check Engine light isn’t on.

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. You watch the flashing test lamp or Check Engine Light and count the flashes.

See http://www.troublecodes.net/Ford/

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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.

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89 through 95 cars have a working Check Engine light. Watch it instead of a test lamp.

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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 Wal-Mart.

Or for a nicer scanner see http://www.midwayautosupply.com/pc-7208-90-equus-digital-ford-code-reader-3145.aspx – It has a 3 digit LCD display so that you don’t have to count flashes or beeps.. Cost is $30.