09 chevy colorado 2.9 skips & pops back thru throttlebody when under load or hot but idles ok ,

viccin73

I have checked the computer for codes, replaced the mass air flow,throttle body,(1) O2 sensor & varible valve solenoid,checked converters,fuel pressure,temp.sensor to no avail.

thecardoc3

Is it a steady / rhythmic pop or random?

Do you have a scan tool that can access misfire data? If so which cylinder(s) are the counts occurring on?

stevekruzich

IF your backfiring through carb, thats timing issue. I would say it sounds like timing chain jumped a tooth.