Check Engine Lights
1999 Ford Expedition Check Engine Light is On
By Austin Davis
Nov 3, 2006, 17:34

ACTUAL Reader Question

I own a 1999 ford expoditaion with 80,000 i am a 24 year kid who owns this suv for 3 yesrs now i do beat on it its a 8 cly ...

I have changes one of my coil packs and it seem like its doing this again idle all messed up hesatint on gas i my check engine light is on

My question to u i filled up my gas the night before all this probkem started could it be bad gas now i have a warnety on the truck dont know if coverd had to call and ask but should i let it run out of gas and but hi oxtain in it or bring it in asap


Hey there Kid


I think I would take a look at the simple things first, worn out spark plugs and spark plug wires first come to mind. If you have an engine "miss" it will turn on the check engine light, and the idle and performance will suffer as well. If those plugs and wires are original, they are due for a change regardless if it fixes the problem or not.

Blessings,

Austin Davis



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