![]() Check your ECU ground connection, and the grounds under the battery. Were your nozzle spray patterns good, as well as popping at the right pressure?Ĭheck your wiring and connections to the pump. (not basic settings, but with timing adjusting components active.) Are your active components injecting the fuel at the right time? Is your engine reaching proper temperatures? Fuel running at about 70 degrees after 20 minutes of operation? Make sure they are all reading the same after an overnight or overweekend parking. Is the quantitiy adjuster putting out more than demanded or is the demanded value higher than normal? That is what you are trying to determine.ĭo you have any data logs for fuel from when things were working fine to compare to?Ĭheck your temperatures at ambient. What does VCDS show about quantity injected? Though this is a demand and not actual, it might help troubleshoot. Run with your EGR failed closed, and take it out and make darn sure it is closed, while troubleshooting this problem.
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