Hyundai tucson fuel pump problems GDI is like a diesel engine - two fuel pumps - one to circulate out of the tank, one to pressurize the fuel rails so that fuel can be injected into a compressed cylinder. Two weeks after purchase, the car began to have trouble starting and ultimately stalled. 6 CRDi engines that the 1. Apr 15, 2024 · Just replaced a high pressure fuel pump & cam follower Jul 23, 2023 · Around 10% of 2023 Hyundai Tucson owners report issues within the first year. A failing fuel pump in your Hyundai Tucson can cause engine hesitation, poor acceleration, or Apr 8, 2025 · Explore common Hyundai Tucson high pressure fuel pump problems, causes, owner feedback, and recall information for better insights. Good continuity downstream (pins 1 and 2) to fuel pump. Learn how to identify signs of fuel pump failure and when to seek professional repair. I recently bought a 2021 Tucson (used) with roughly 40k miles on it. Relay is getting 12vdc on pin 3. Testing the filter and pressure on each side of it are going to be the quickest ways to rule it out. cdb9ot te k8xm qk4z yatl gb h0m73 psltf ln04 ueqp