might be fuel filter , had a acura back in the day and the idle would flucuate bad on cold start , how many miles on the car? has it ever been changed ?
Fuel filter's on the pump, in the gas tank. Nothing to change.
How many miles are on this car? Could be a gummy throttle body, dirty maf, massive random vacuum leak...
What he said.
Sort of sounds like what you go through when tuning a cammed car for idle.
So that means, possibly vacuum leaks (intake manifold gaskets, tb gaskets vacuum lines fell off), dirty throttle body, air filter, intake hoses.
and SES light?
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