Just bought a 98 s-10. check engine light was on. code po300 Changed ignition componets, still had po300 changed injectors, and now still have code po300 & now it backfires from exhaust and missfires

Just bought a 98 s-10. check engine light was on. code po300 Changed ignition componets, still had po300 changed injectors, and now still have code po300 & now it backfires from exhaust and missfires 1 Answer

I have a 89 S-10 4.3 and it backfires through throttle body 2 Answers

89 S-10 backfires through throttle body lack of power at acceleration and service engine light comes on after a while I've checked timing plugs and wires and did a diagnostic test and it showed not...

PO300 3 Answers

I've replaced the distributor cap rotor pick up coil plugs wires ignition coil control module and still having the same problem none of that fixed it

Can the ignition control module on a 1997 Chevy S-10 be tested on a testor , be passed as OK and still be failing when installed on the engine? 1 Answer

Truck would start, but would not run when throttle was opened. Replaced fuel pump, Pressure regulator,and filter. It started right up, responded to throttle just fine, and I took it out for a test ...

have a 2.2 engine in 99 s-10 , just replaced it and still have same problem of no gas getting to cylinders. good pressure , and good combustion, have replaced fuel filter and pump, good mechanic doing work.could it be computer? help 5 Answers

just replaced engine in s-10 , can not get gas to cylinders, good fuel pressure, combustion, new fuel pump and filter. have done everything with good mechanic. could it be computer? please help