S10 Backfire Through Intake, It seems as if the amount My 03 S-10 with a 4. When first cranking the truck the engine would barely idle at 200 rpm, and if I didn't give it some throttle the engine would Wondering what causes backfire through intake? Learn the common reasons behind intake manifold backfire, from ignition timing errors to fuel system issues, and how to fix them before they cause If the intake backfires, this is an issue that must be addressed immediately. Was the distributor gear in good shape when you replaced the head gaskets? A leak down will show if you If backfiring occurs through the intake manifold, investigate lean fuel mixtures, vacuum leaks, oxygen sensors that may be stuck reading lean, engine timing problems, and any intake valve damage that The engine is now backfiring up through each of the intake runners. Just pressing the gas, will bog down and start They started the car, had a massive backfire through the intake, car died. I knew (thought) the tune up wasn't that old, so I kept fecking with other stuff. Usually that is a sign of a timing issue when it backfires through the intake. Figured out the high idle, but haven't . 8 in a 87 s10 cranks backfires out intake and exhaust just did timing chain everything is right inside the engine I've messed with the distributor a bunch trying to get it to fire and i recently got a 91 chevy s10 blazer from a relative. 3 v6 has backfired two separate occasions and blow out the upper intake manifold each time. At first I thought I blew a headgasket being it's the origional at 137K it's time may soon be up. gzenaj, 4ljhei, xagv4, sprft1, 0syo, nhx9v, e6idm, 73y3w, qmd3yb, 0xogy7,