What would cause my car to not accelerate when I give it gas
why put stuff in the gas tank? anyway, if you want to keep spendin' money, just keep guessin' at any point you could just take it to a mechanic-
Could be a host of things. Clogged fuel line, clogged fuel filter, fuel pump going out, restricted air filter, etc. That is the simple stuff which cost nothing to check. You can also clean the throttle body. Stop throwing parts at the problem until you find the problem. Has the car been tuned since 2002?
if when you accelerate and it has a muffled sound, and has a "constipated" feel you have plugged converters.
Is the check engine light on?
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