I have some questions: 1. Why do we not have a "check engine" light when we have trouble codes stored in ECM memory? 2. Since this is a "return-less" system is the pressure regulator/sensor inside the tank as a part of the fuel pump module? How does it work? 3. Can the sensor be reprogrammed using the correct scan tool to bring pressure up to proper specs seeing as how the pump is capable of 60 PSI? 4. Is it just the pump getting weak? 5. What would be the long-term effects of continuing to drive it with the 46 PSI fuel pressure?
Thank you in advance for your reply. Also thanks again for all the help in the past.
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Sunday, December 5th, 2021 AT 9:53 PM