Question

2001 Chevrolet Impala 3.8 engine code p1374 Hard to start

Answer 1

Hi there,

This code is for the 3x reference circuit

Possible causes and most likely cause is the crank position sensor. It's also possible there is an issue with the wiring and or the pcm, This will make the car hard to start.

Answer 2

P1374 CHEVROLET - 3X Reference Circuit

Read more: https://www.autocodes.com/p1374_chevrolet.html