SOURCE: My 1998 ford escort looses power going up hills.
fuel regulator or fuel pump may be going out, sounds more like regulator!!
SOURCE: Ford Escape goes dead
You started the right way.
It sounds like it needs a tune-up.
Change the sparkplugs - Use Autolite Platinum ($3.87 for two at WalMart; $6 each at AutoZone)
Also, check for faulty sparkplug cables as follows:
1. When it is getting dark outside, set the parking/emergency brake.
2. Open the hood.
3. Start the car and look under hood for "sparks" from the sparkplug cables to the engine (or other metal part).
4. DON'T TOUCH anything under the hood! The cables can shock you (bad!) or the fan can cut you or the Boogeyman may reach out ... (sorry)...
5. Turn off car .. that ends the cable spark test.
6. Replace ALL sparkplug cables if any create a light show under the hood.
Hope this helps!
(It's the plugs)
SOURCE: I have a 2003 Expedition
Most likely the coils. Easiest way to check is swap them with another cylinder, start it, pull the plug wire connecter and if it doesn't change the engine the coil is bad. If it is the injector, then you can check it with an ohm meter. Touch the leads in the injector it should read 11 to 15 ohms. if you need help let me know.
Randy
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