Q: Received a p0191 from scanner, have already replaced fuel pressure sensor, maf sensor and fuel pump. Difficult to start after warm

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After receiving a p0191, truck difficult to start after warmup. Installed new fuel pressure relief sensor, maf and fuel pump.

My car has 105000 miles.
My car has an automatic transmission.

Hi there. Our resources center has a great article about the P0191 OBD-II trouble code, what causes it and common repairs. You might want to review this article to give you a good indication of how to resolve your problem.

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