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I need some help please

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Dead give away was when it 'heats up" you said it "dies" If it cannot read it's own temperature it goes into fail safe. x4 on coolant temp sensor. Faulty sensor can cause it to "crank over" but not "run". It just starts and dies.
 
1 reps using an air ratchet coming out then 5 reps going in with 1/4 drive ratchet until tight. 1/4 to 3/8 adapters work quite well. 6 reps total. =):thumb:
 
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Coolant temp sensor is my first suggestion as everyone else said. It COULD be your O2 sensor - my car would intermittently throw a CEL for coolant temp sensor, even though the sensor was brand new. Ran a log, and it turned out my O2 wasn't cycling so the ECU was tripping thinking it was in warm open loop. WTF!! Coolant sensor is much cheaper, and easier, so try that first.
 
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