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thats what it was. the front catalytic converter on drivers side kept glowing red hot. then it stopped and the back one started. think the guts in front one broke free and went through to back one and clogged it. i unhooked y-pipe and took spade bit to back one and know its running fine.

i think i found the problem. running it with the egr messed up i think clogged the new cats. when i started it and went to the tailpipe hardly anything was coming out. probably go with magnaflow high flow this time.

its the engine rpm. it does it in park in driveway as well.

replaced fuel filter cleaned maf sensor and aic valve hoping that would help. still same thing. its almost like its hitting the rev limiter at like 2800-3000 rpm's. is there anything else i can try?

i have a 2002 mountaineer that wont go over 35 mph. ive read codes and gave me several cylinder misfire codes. ive replaced injectors, coils, plugs, and air cleaner, put new y-pipe with new catalytic converters and put new o2 sensors in it. i also put rebuilt transmission in it. it was running...

i unhooked injector 8. when i got it home the front converter on drivers side was still glowing red. its all brand new cats. could something else make it glow like that? it didnt have as bad of fumes this time. maybe another cylinder on that side misfiring just not enough to throw a code?

ok thanks. i figured it had to be dumping quite a bit into exhaust. just starting it long enough to shift through the gears while filling transmission made it really bad getting back under car to check the fluid level.

would it hurt it to unhook that injector long enough to drive it home? its about 12 miles

i purchased a 2002 mountaineer with a 4.6 and a 5r55w. when i got it i knew i had to put new tranny in it. while doing tranny i went ahead and put new y-pipe with new cats welded in and o2 sensors in. i finished last night and took it for a test drive. only drove it about a mile because was...

looking for the wiring harness that goes to the solenoid pack, shift range selector, speed sensors, and o2 sensors

update have rebuilt transmission but ran into problems getting old one out. i couldn't get wiring harness off that goes to solenoid pack. the wires basically pulled out at connector. whats the best way to replace this? just wire in pigtail or can i get a used harness from donor vehicle that goes...

thats what i was afraid of. I'll probably buy a rebuilt one and put it in then try rebuilding this one as a backup.

i just bought my wife a 2002 v8 mountaineer. the problem is the 2nd to 3rd shift. it revs high and when i let off the gas it finally shifts but its a very hard shift. the od light flashes as well. when i bought it the previous owner had already purchased a new solonoid. i installed it and...