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TPS sensor, Coolant temp sensor, and 02 Sensor fail
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09-07-2008, 01:23 PM
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#1 | |
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Registered User
2008 MK Patriot
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TPS sensor, Coolant temp sensor, and 02 Sensor fail
Keep getting a CEL every few days. Had the brain-trust at Auto Zone scan the codes and came back with Coolant Temp Sensor fault, Throttle Positioning sensor fault, and 02 sensor fault.
Isn't it a little odd that all three of these showed up at once? 99 XJ 4.0
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**2008 Jeep Patriot Limited 4x4** 60k, *Absolute Rubish* Former- 2004 Jeep Grand Cherokee Special Edition 4x4 V8. 1999 Jeep Cherokee SE |
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09-07-2008, 02:45 PM
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#2 |
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Registered User
1988 XJ Cherokee
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Did they clear the codes? If not, clear them and check again in a few days when the light pops back on.
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09-07-2008, 02:48 PM
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#3 |
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Go Jeepin
 
2000 XJ Cherokee
Join Date: Apr 2002
Location: out in the garage - Minneapolis, Minnesota
Posts: 15,318
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Sometimes one failed sensor can trigger multiple fault codes even though the sensor related to the 2nd and 3rd codes is still good (TPS, 02).
First and cheapest one to replace is the Coolant Temp Sensor. Clear the fault codes and see what happens next. You might get lucky or you might have another trip to the parts store.
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