2009 Mercury Mariner Check engine

2009 MERCURY MARINER
26,000 MILES • MANUAL
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ANGELNETTE
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When I drive on the highway a wrench light and check engine light..The wrench light goes off immediately.. The check engine light stay on about a week, stay off til I drive on the highway. Is this a transmission problem..if so what kind of problem I'm having?
Jul 22, 2015 at 10:32 PM
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MHPAUTOS
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This is a fault light indication, You need to get a diagnoses scan done to reads the set codes, these codes will indicate the problem you have, get this done first and post back the readings, the codes will be a Pxxxx code that is a P with 4 digits eg P0302 would be a cylinder misfire code.......
Jul 23, 2015 at 5:30 AM
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ANGELNETTE
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Code P1744
P0741
Jul 23, 2015 at 5:58 AM
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MHPAUTOS
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These are both related to the torque converter lock up clutch, often is the case that the cock up solenoid in the transmission has failed.
Jul 24, 2015 at 5:56 PM
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ANGELNETTE
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What does this mean? What will happen if I don't get it repair?
Jul 24, 2015 at 9:26 PM
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MHPAUTOS
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If a torque converter clutch fails and stays in the lock up position, you would notice a difficulty from driving off from a stop, it would be like trying to drive off in a to higher gear, you will see a higher fuel usage, the solenoid is not a huge problem to fix, I would go get a few quotes and I would fix it sooner than later as long term lock up will stress components and a further problems may present.
Jul 26, 2015 at 4:49 AM