If a 4.3 Chevy backfires through the manifold will it damage it ECM or MAP sensor?

If a 4.3 Chevy backfires through the manifold will it damage it ECM or MAP sensor? 2 Answers

I have a 1999 Chevy Blazer, 4x4, 4.3 vortec. We have changed the coil pack, fuel filter, distributor cap and button, the crank shaft sensor, cam sensor and plug wires as well as the ignition control module. We coming to a stop sign it will stall and sometimes when just sitting still. Sometimes it will start right back up and other times it takes several tries. I also have the oxygen sensor on order and it should be here tomorrow. Fuel pressure tested perfectly. No black smoke, no smell of rotten eggs or the cat glowing red. The only code that comes up is PO420. 4 Answers

I have a 1999 Chevy Blazer, 4x4, 4.3 vortec. We have changed the coil pack, fuel filter, distributor cap and button, the crank shaft sensor, cam sensor and plug wires as well as the ignition control m...

I have a 1995 s-10 Chevy Blazer with a 4.3 vortex engine,4wheel drive,auto trans. My question is why won't it start ? The only way to start it is to prime it first with gasoline or carb cleaner. 4 Answers

My 1995 s-10 Chevy Blazer won't start without priming with gasoline or carb cleaner.it has 4.3 vortex engine w/4wheel drive and an automatic trans. I've tested the fuel pressure and only get ab...

I have a 01 Chevy Blazer with the 4.3 v-6... It appears to have a blown intake manifold gasket. There is oil in the coolant. No water in the crankcase. What's the easiest fix??? 3 Answers

As long as I keep putting coolant in it I get heat and it runs at the normal temperature..

what will happen if i run my 1998 chevy blazer without the thermostat in it? 4 Answers

My chevy blazer 1998 is leaking a little water out sometimes it will need a quart sometimes a gallon of water. sometimes it will leak when i start it sometimes when i turn it off. i replaced the th...