1990 Mercury Grand Marquis Repair & Maintenance Costs

A guide to repairs, service, and maintenance costs for your 1990 Mercury Grand Marquis

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We don’t currently have enough data on the 1990 Mercury Grand Marquis to give you an accurate yearly maintenance cost. For details on the Mercury Grand Marquis, click here.
1990 Mercury Grand Marquis

Most Common 1990 Mercury Grand Marquis Problems

1990 Mercury Grand Marquis vehicles have 0 reported problems.The most commonly reported 1990 Mercury Grand Marquis problem is: Intake Manifold May Crack Leaking Coolant Behind the Alternator
The 1996-2001 mercury grand marquis with a 100% plastic intake manifold is known for engine overheating, even with...
The throttle position sensor (tps) may fail. common symptoms of a defective tps can be rough idle, hard starting,...

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Most Common 1990 Mercury Grand Marquis Questions

There are 0 related questions for 1990 Mercury Grand Marquis vehicles. RepairPal's professional community answers hundreds of questions each day. Below are the most commonly asked questions.
It won't shift out of first. i have just let it sit and started working on it. i have changed the fluid and filter.
When oil change/service required, light comes on. manuals don't show reset location.

1990 Mercury Grand Marquis Recalls

1990 Mercury Grand Marquis vehicles have 1 known recalls. The most common recall is: Recall 90E043001.
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