1998 Ford Expedition Q&A
1998 Ford Expedition Question: FLASHING CHECK ENGINE LIGHT
WHILE driving,especially on the highway, my check engine light which is already on begins to flassh. trying to find more likely reason. - Visitor
This is a very serious failure of the emission control system on your vehicle. Have it diagnose ASAP by a qualified technician. - fernando
You need to have a shop scan for codes to determine what repair is required and you can locate a shop near you here http://repairpal.com/directory?address=73127&car_brand_names=Ford and once they determine the repair you can check prices here http://repairpal.com/estimator?car_type_id=2317 - hemicuda
I own the same truck. Had same problem. The OWNER manual states, steady light usually an emmision problem. Flashing Check Engine light means a miss-firing cylinder. This can cause damage to catalytic converter, etc. Check plugs, wires, etc. My problem was a bad wire to cylinder # 4 (Most difficult plug to reach I have ever encountered) A miss-fire can and will also damage the coil. (didn't fix soon enough) Replaced wire and coil, and of course changed out all the plugs. Either reset check engine light with a scan, or drive 20-30 miles and if you did good, the light will no longer flash. Good luck. Denis - Visitor
97 Ford expedition check engine light flashing truck running rough.
When I accelerate, there is a hesitation before the engine engages. When I am driving between 40 and 45 mph, the engine makes a jerking/sputtering motion, but this does not when idling at a high ...
Sometime engine jerks, it gets worst when engine heats up and going up steap hills. I did a dignostic check on engine and everything was ok no problems found. I repplaced the TPS sensor and it sti...
I changed #2 coil because the light was staying on and I went to advance auto to put it on computer . They told me number 2 cylinder misfire so I replaced #2 coil like they recommended . My SUV idl...