q45 fuel problems catalytic converter?

[djneebor]

92 q45 104k stockjapan engine with 30k mi changed at 93kstock trannystock guidesaftermarket headlights all she wrote music decalbad active suspension system

I drove my car off the freeway and noticed that my engine started bogging down and it hesitates and dies as soon as i reach the main roads. Soon after i restart, it works just fine. I only experience this problem when I drive on the freeway but when i'm on normal street roads it i have no problems. my friend diagonsed my catalytic converter because of this big gaping hole of smoke spewing out of cat. After i change my cat, do you think that would solve my problem? I just changed my air filter two days ago. But problem happened before changing air filter and i never drove it on the freeway since then. What else can i do to prevent this from happening?

Was thinking about cleaning injectors, changing o2 sensors and changing spark plugs and wires.

It idles at 900 then when warm like 700rpms.

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[911/Q45]

Are you sure there is a hole in your cat? The cam covers often leak, dripping oil onto the precats. The car doesn't have plug wires, so don't plan on that. It's a pretty reasonable drive to Miramar, have Jerry Tucker tell you what the car needs rahter than blindly swapping parts.