1991 Ford Aerostar Extended "check coming engine light" Questions

How do I test the check engine light Simple bulb / check engine light test is Key on engine off; the check engine light should come on.

check engine light will not come on check engine light does not come on when starting the van does it come on when just turning the key to the on position but not starting it- Denny

...engine light comes on. If I stop for awhile then continue it goes off then comes back on. Have done what the manual says to no satisfaction.. make sure your fuel cap it tight. does it blink or just ...

...lx failed emissions code #p1443 does anyone know what the code meens 1996 ford escort runs fine with full power but check engine light comes on p1443 and i changed gas cap the light still comes

...coming out of the charcoal canister will sometimes cause this piston to stick, resulting in purging not taking place when it should, the sensor in the purge hose detects this and sets a fault/trouble ...

...my check engine light comes on code isp1443 what is the possible cause.. ok 1443 means you have a vacuum leak somewhere have to look see if you can find it check for a plugged purged vaccuum ...

check all your fuses. The oil warning light indicates you have no oil pressure (comes on when engine off and ignition on) battery light means that ignition is on but alternator fault if engine running

check engine 2 ways. Go to auto zone & get free scan to get DTC codes and have them erase. Or, disconnect your battery for an hour. It may run rough for 10 miles as it relearns strategy, but codes

check engine light comes on code says 1442 if i remember right something about the evap in gas tank..Is that right or can I just try changing the gas cap i would try new cap first then go from there

...engine should hold the light on if there is no activity with the light your EMC is defective, if OK than trace the fault back to the realty there is an open contact also before you tare the EMC out, ...