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moparfl, ASE Certified Technician
Category: Jeep
Satisfied Customers: 6330
Experience:  ASE Master Tech Chrysler Dodge Jeep Master Tech
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Error code PO117 engine coolant temp sen1ckt..controls..circuit

Resolved Question:

Am getting error code PO117 engine coolant temp sen1ckt and error code PO118 Engine controls ignition feedback circuit what does it mean?
Submitted: 8 years ago.
Category: Jeep
Expert:  moparfl replied 8 years ago.
can you give me the make model and year and the eng size?
Customer: replied 8 years ago.
1999 Grand Cherokee Laredo, 6 cylinder
Expert:  moparfl replied 8 years ago.
both of those codes are for the collant temp sensor one is for the voltage is to low the other is for voltage to high.most likely the sensor is bad.
Customer: replied 8 years ago.
So you think it may be the coolant sensor?
Expert:  moparfl replied 8 years ago.
Yes for it to be setting both high and low voltage codes.that is what I would think
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