2012 RAM 2500 check engine light @ 3000 rpm

dodge
ram-2500

#1

5.7 hemi, 2012 ram 2500. When towing or kick into passing gear, 3000 rpm, check engine light starts blinking, code p0301, I changed spark plugs, coil pack, still happens at 3000 rpm. What does anyone think?


#2

A blinking Check Engine light means a major misfire is occurring.

If the vehicle is driven with a blinking Check Engine light, damage to the engine/catalytic converters can occur.

Stop driving the vehicle until it’s determined what’s causing the Check Engine light to blink.

Tester


#3

I would suspect a weak or restricted injector on cylinder #1.