aussiesmg
aussiesmg MegaDork
10/16/24 6:51 a.m.

2003 Ford Expedition, 4.6 2wd, has a complete lack of torque, changed fuel filter, air filter, trans fluid and filter, oil change etc. Plugs on the way, O2 sensor on the way but...

I am feeling the catalytic converter is plugged

Symptoms, can't pull the skin off warm glass of milk, idles and revs fine in neutral, kicks down on a hill and nothing, has a significant miss under load

Karacticus
Karacticus GRM+ Memberand SuperDork
10/16/24 8:51 a.m.

Though not related to your problem, if you're lining up parts, get a coil pack or two headed your way.

Ours would cook one of the set off on a pretty regular basis.

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