2017-10-10
Check the fuel injector for any signs of damage or clogs.
Perform a fuel injection system cleaning to remove any deposits or blockages.
Inspect the fuel pressure regulator to ensure proper fuel delivery to the injector.
Replace the fuel injector if it is found to be faulty or malfunctioning.
Reset the engine control module (ECM) and perform a relearn procedure for the fuel injector offset learning.
Faulty fuel injector in cylinder 1
Clogged or dirty fuel injector in cylinder 1
Low fuel pressure in the fuel system
Engine control module (ECM) or fuel injection system malfunction
Ignition system issue in cylinder 1
Reduced engine performance
Rough idle or misfiring
Poor fuel efficiency
Difficulties starting the engine
Engine stalling or cutting out