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4.2 ⁄ 5 stars
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Mercury Grand Marquis Questions
Very High Idle
Cleaned engine. Blew off, dried everything, disconnected all wiring connectors blew dry and reconnected all wiring, hoses, and removed all coilplugs blew out dried boots and applied dielectric lu...
Less Power 2002 Than 1993
Hi, my 2002 runs great and passes smog, but it has less power on the freeway than my old '93 did. I cleaned the MAF, new air filter and fuel filter. Car only has 30K. Is this normal, or is there som...