2002 Chevrolet S10 with engine code P0300 and engine shakes

Question

My 2002 Chevrolet S10 truck shakes and misses when it's cold. When it's warm it runs well. I got the OBDII code P0300. I had it turned up. fuel injection cleaned. new fuel filter. what could it be?

Answer 1

Hi there,

Check the fuel pressure and if your model has the spider injectors it might be leaking. Also, check for any vacuum leaks, the intake manifolds are know to leak on the 6 cylinder engines on these.

Answer 2

P0300 Chevrolet Code - Engine Misfire Detected
Read more: https://www.autocodes.com/p0300_chevrolet.html