Need Blazer Help???

[probie6556]

Hey everyone, how ya doing? Well my 96 s-10 blazer 4.3 died friday, going like 5 mph it just cut off, tryed starting back, and it would turn over but not start up, it would turn over so many times then just stop, and start back again.My chevy dealer said it souded like timing chain jumped, so fixed that and still no go, good fuel pressure and have spark, kinda orange instead of blue, but enough to start im sure cause now its backfiring through intake and exhaust at same time while turning over.Please help!!!!!!!!!!!!!Have checked the timing over and over, and it checks out, is there anything electrical that could cause this thing to do what happened?Just also replaced cam sensor, still no luck.

Last edited by probie6556 on 02-09-2004 at 03:21 PM.

[chianesi]

backfiring through intake?, inspect the camshaft....

[wiley]

check lifter ,push rods, and cam , if it is backfiring then it is a valve or timing prolbem . but my personal guess would be lifters and cam.

[ki4byz]

Maybe distributor cap and or button
Ki4byz

[gphusker]

Are you sure you didnt install the timing chain 180 degress off? Was the engine definately at TDC when you installed the chain? If not it would cause all kinds of problems. Specifically the ones you described.

[probie6556]

This is awfull, had timing checked by chevy mechanic, he said its right, replaced crank sensor, cam sensor,throttle position sensor,ignition module,coil,new distributior,plugs,wires,cap, rotor button, fuel pressure regulator,guess its internal cause still no go,guess ill go buy me a used engine with less miles,Is it a good idea to get the computer with used engine?