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Message: [QUOTE="MorganY, post: 814536, member: 3115"] Check the wiring on the IPR. The oil pressure gauge is a switch so to speak. Once LP oil hits 7psi, the needle goes to the middle, once it drops below 7psi, it goes to the bottom. The EOP sensor is probably damaged from the oil cooler repair. Reason I ask about the oil cooler is, if you don't clean the valley well enough before you pull the cooler debris will fall into the the oil cooler area and will eventually get sucked into the IPR blowing a hole through the IPR screen causing it to be stuck, and usually have a no start. Your code is electrical based, and since the PCM doesn't know the IPRs physical position, we cannot say the valve is stuck for sure. Open circuit..Take a look back there and follow the IPR wire to the engine harness and I am sure you will find something. Tree'd by Mdub [/QUOTE]

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