Check this first
Note whether it stumbles under load – most often a clogged filter or a tired pump.
What usually fixes it
In the order a good shop checks them. Typical total: $93–$1,388 at $130 an hour.
Fuel filter
$93–$204A clogged filter starves the engine when you ask for power.
Fuel pump (in-tank)
$410–$1,006A weak pump can't keep pressure up at higher loads.
High-pressure fuel pump or sensor
$562–$1,388On direct-injection engines the high-pressure pump or its sensor is the usual culprit.
Code titles are the generic SAE definitions. Prices are typical US parts and labor for a common car or light truck – a guide for judging a quote, not a quote. Always confirm a repair against the vehicle in front of you.