my alternator + belt spark plugs and wires distributer cap and rotory but there was still a problem with my car ideling so i went on here for help and i was told to get my fuel injectors cleaned out. when i got it finished my car worked like brand new but i just recently went away on vacation with out me car for three days . i returned and started up my car it started up perfectly and was idling perfectly but heres the problem when eevr i put the pedal all thge way to the flooor it doesnt give me maxx horse power it only gives me a little the car still moves but not as fast as when i first fo the car its been happening for a very long time its lacking power big time. when i press on my gas pedal lightly its a very smooth ride its only when i speed i have loss of horse power. i thought it would be fuel related because i got my fuel injectors cleaned out last friday and after i got it done it didn't have that problem anymore. Is it the fuel pump? fuel Filter? idle air control motor? or does the timing just need to be adjusted? this problem has been driving me up a wall some one help me out please

Timing belt off a tooth?

but that would cause loss of power at ALL throttle positions

if, as he says, power is normal at less than 50% throttle then at >50% power isnt normal then it shouldnt be the tbelt.
id replace all of your filters. pcv, air, and fuel. See if that helps any

x2 @ stephen lee, I'd change out all filters first.

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Same thing happened to me. Turned out to be a weak coil which was hard to diagnose.

are u sure the distributor was put back in the right place... did u mark it before u took it out.. could cause offiring...

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and yall thought i was bad at english... even i can barely understand what he said!

other than needing an occasional Comma (,) or apostrophe (') i think the spelling and grammar were fine... @ Monkey

but if u read the first sentance what did u do twith the alternator and all that other fancy car stuff....! replace it? take it out? burn... i i i say burrrrnnn it..............
mmmmmmmmmmm fire..............

haha comon guys some ppl could be offended by you picking at their spelling/grammar.

but with that said, are we getting misfiring or just lack of power?

any time u deal with any timing parts, its a good idea to mark them..... it could even be a spark plug wire on the wrong spark plug... do u have pictures....