Question about 2003 Jeep Liberty

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Car stopped while driving, would not start again, once cooled it will start. Mechanic installed a new battery which didn't fix the problem. The code showed the problem to be the crank shaft sensor. Installed new senor and problem still existed. Now the mechanic is installing new coils and spark plugs - they should've been replaced 15000 miles ago. Will this cause the vechicle to just die while it's being driven? Since they can't come to a decision I'm afraid this still won't fix the problem.

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  • karcher435 Sep 30, 2009

    He showed me the code box after replacing with the new senor. The problem still exist. Now he's saying the coils are burned and need new spark plugs. Is it possible for the spark plugs and coils to be the problem?

  • karcher435 Sep 30, 2009

    The crank shaft sensor was replaced with a new one and the code remained the same. At first the mechanic said it could be a bad sensor, but now is replacing the coils and spark plugs. I need to know if this could cause the car to die while being driven?

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If their attempts continue to fail replace the ignition module. Ignition components can fail after reaching high temperatures they arc out or ground out as the temperature reaches a certain threshold. There should be a code behind the crank sensor code if the battery was disconnected that code identifying the additional problem if present would have been cleared when the battery was replaced. In some cases it takes up to twenty minutes of driving before the trouble code will be recorded again, you may need to run the vehicle until it shuts down then let it cool and repeat until the code is recorded. the computer does a diagnostic check this is why it takes a while, run a code check to confirm ignition module failure or other component issue.

Posted on Sep 30, 2009

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You need to get a new mechanic. He's just throwing parts at the vehicle. If it was diagnosed correctly all it would take is one part. What we really need is to know if you had a code set. Then if the crabk sensor wasreplaced he shouild of checked the siganl from it. You may have a bad magnet for the sensor or maybe a fuel issue

Posted on Sep 30, 2009

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