I have a 1991 Chevy k5 blazer and the ECM b fuse keeps blowing even without the fuel pump relay plug in and computer unplugged

I have a 1991 Chevy k5 blazer and the ECM b fuse keeps blowing even without the fuel pump relay plug in and computer unplugged 1 Answer

I have a a 1991 K5 blazer. Why will the starter or not fire? 4 Answers

I have a a 1991 K5 blazer. Why will the starter or not fire?

I need help with my 1990 k5 blazer 5.7 350 it's will start up run ruff and have to pump the gas when idling then about 4 mins later it starts to idle higher and higher then dies 1 Answer

I need help with my 1990 k5 blazer 5.7 350 it's will start up run ruff and have to pump the gas when idling then about 4 mins later it starts to idle higher and higher then dies so I try and start ...

1999 chevy blazer will not start i did a full tune up and change the fuel pump still will not start up all it does is crank i was told it could be the computer i got one put it in still will not start 1 Answer

I put one i had from a 1996 blazer and start up and runs but it runs like crap and my dash bored looks like a Christmas tree

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...