the check engine light is on have already replaced tps sensor riding rough

2003 JEEP GRAND CHEROKEE
132,000 MILES
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PATRICK1980
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I have a 2003 jeep grand cherokee just had the fan relay swich replaced now the check engine light is on recieved the reading p0122 have already replaced the tps sensor vehicle riding rough
Mar 25, 2012 at 10:08 PM
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