Question about Lincoln LS
Hello, You can get the scans free at Autozone, Oreillys, and Advance auto-parts stores. Make sure you have the old Codes erased from the memory or they will continue to provide false information.
First, the A/C sounds like it is low on Freon. There is not enough Freon to keep the compressor engaged at low speeds. At high speeds you are moving what little Freon you have left fast enough to do some cooling. The sputtering can be a result of the A/C compressor cutting off and on when you are accelerating. Have the A/C leak tested and refilled with Freon.
If I am reading your request accurately, you mention a problem with #5 cylinder after the coil, plug, and some type of gaskets were replaced. If the problem did not go away, perhaps the new parts in #5 cylinder are bad. Go back for the replacement of the defective parts.
Have someone trace the wires from the coils back to any connector you find. Then unplug the connector and check for corrosion. Have the fuel pressure checked at the access spout on the Injector rails. Your fuel pressure Regulator may be bad and may be starving the engine for fuel or the fuel filter may be clogged.
If this is a 4.6L V-8, have a part called a "Cam Phaser" checked at the Dealer. There is an extended Warranty with both added Years and Miles to get the engine fixed. This applies to double overhead cam engines.
Get your motor fixed first. The A/C is the easiest part to fix. I hope my solution is helpful to you.
Posted on May 31, 2011
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Posted on Jan 02, 2017
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