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My ford explorer is running very rough and when driving the check engine light flashes. What could be the cause of this?
1999 Ford Explorer

My ford explorer is running very rough and when driving the check engine light flashes. What could be the cause of this?

(1999 Ford Explorer)
It started after I changed the plugs and wires. Now it idles very rough and seems to lose power going up hill. Going up hills the check engine light flashes. I have to take my foot off the gas pedal in order for the light to stop flashing. Lately the light has been flashing more frequently and is taking longer than normal to stop. Also I have a coolant leak on the right side under the bumper. Had a diagnostic check and it said it was a vacuum leak. Could this be true? How can I fix the problem myself? Do I need to take my Explorer to a mechanic?
in Leesville, SC on March 11, 2018
What seems to make the problem better or worse? It's worse when driving. Loses power and gas consumption is extreme
Tags: rough idling, loss of power, check engine light, fuel consumption, ford, explorer
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on March 11, 2018
https://repairpal.com/what-is-the-firing-order-of-plugs-in-a-1999-ford-explorer-eddie-bauer-edition-50-liter-awd-i-019
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Check Engine Light Diagnosis
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on March 11, 2018
https://repairpal.com/what-is-the-firing-order-of-plugs-in-a-1999-ford-explorer-eddie-bauer-edition-50-liter-awd-i-019
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on March 11, 2018
do not drive it with the CEL FLASHING! will cause damage if not already to converters. what is the code for the CEL? also,if this started after changing the plugs and wires,suspect crossed spark plug wires!
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