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The last couple months i have noticed a rough idle at a stop, i have read the previous post about checking sensors and hoses and i have. Exhaust is all good and loud as hell but at a idle it is kind of chugging. I was wondering if anyone has had the same problems and fixed it? I have flushed my injectors but have not replaced the fuel filter. Slowly but surely i am suspecting either the injectors are getting stuck or one of the coils are bad.. before i start ripping it all apart any suggestions?? I have heard about the cat issue and i wonder if this is a sign?

No service lights, but it is a little harder to start....
 

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Mine ran like crap at high rpms when the cats went out and eventually ran like crap at idle too. Could be the problem, not certain. You can't replace the fuel filter, it's a permanent type filter attached to the fuel pump.
 
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