missing ping and backfireing

[joshua1978]

ok heres what i got timing 10 btc new plugs new wires cap and rotor check fuel presssure 38 to 40 psi at idle now when i get on it hard it goes to pinging and poping and starts missing then straighten up now if i eaz on it it boosts good and dose ok has some flutter or somthing i still need to check tps sensor and vain any other ideas

 

[rednine4]

is your spout out connecter in place? check the wiring to that to make sure it's not damaged or pinched...

 

[joshua1978]

Yes spout is in place and working when I plug it in the timing goes from 10 to about 20 or so

 

[joshua1978]

ok heres another ? how does the eec control the timing is there moving parts in the distribeter i think thats how u spell it