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Dan

Dan 8/18/2018

2000 Mercury Sable LS 6 Cyl 3.00L

Engine

What is wrong with this car..

Engine runs rough uses extra fuel ,idle low,surges. up and down . Replaced TPS with no change.
When driving normal at normal speed let off the gas and RPM. barely changes. 3.0 motor
DOHC 120000 miles

1 Answer


CVO

CVO 8/18/2018

Even without check engine lights, the car system is still stored some codes. Use the OBDII scanner and see if there are any trouble codes.

PS. Use the BG-44K will help to clean the fuel system and their injectors, it's the best solution.

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