Having problems with your 2003 Mercury Grand Marquis ?

Just purchased 2003 merc gm

\015 Just purchased MGM 2003 . At speeds above 35-40 felt as if engine skipped at light acceleration. Scan at ford dealer showed nothing . Only 50 k on car . Mechanic suggested injection cleaner. 2 cans later same problem . My favorite parts man at local independent store suggested I change trans filter . At 50 k needed anyway , so I did . He was right . Problem solved . Can't beat experienced parts guys . I did it 30 years but am lost now. I quit in !995 . So different now .\015 Posted / edited by AnonymousUser on : 17-12-2018

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Repair Help & Product Troubleshooting for 2003 Mercury Grand Marquis

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