Max RPM's 1200
#11
#12
Here is a picture of the truck, not bad for free!http://i1083.photobucket.com/albums/...psbddfe135.jpg
Here is a video under the hood http://s1083.photobucket.com/user/be...07965.mp4.html
This on from inside http://s1083.photobucket.com/user/be...08623.mp4.html
Starting to think it might be the cat, just seems odd the this happened when it was parked
Here is a video under the hood http://s1083.photobucket.com/user/be...07965.mp4.html
This on from inside http://s1083.photobucket.com/user/be...08623.mp4.html
Starting to think it might be the cat, just seems odd the this happened when it was parked
#14
OK, I pulled the O2 sensor, if it ran any better it is hard to tell. When first started it did rev better for a couple seconds (2 to 3) but with all the exhaust comming out of the O2 port couldn't hear anything else.
With the cat welded in how can I gut it out just to try. What are your thoughts on running gutted cat or no cat? Thanks again
With the cat welded in how can I gut it out just to try. What are your thoughts on running gutted cat or no cat? Thanks again
#15
the real question is - if it would not rev over 1200 rpm before, will it do so now? and rev up to 2000+ rpm?
if you're not sure, put the O2 back in and repeat the test....
if it does, replace the cat (or remove, or gut, or something).
if not, keep looking for the problem, and don't get sidetracked on an unnecessary cat replacement.
if you're not sure, put the O2 back in and repeat the test....
if it does, replace the cat (or remove, or gut, or something).
if not, keep looking for the problem, and don't get sidetracked on an unnecessary cat replacement.
#16
#17
Was able to reinstall the O2 sensor before dark. After trying with and without O2 sensor I see no change in how the truck runs. Do you think the the cat may be so plugged that removing the O2 sensor does no reduce the backpressure enough to let the truck run better? May drop the exhaust at the manifolds and see if that helps. If you have any other ideas let me know.
#18
#19
maybe electrical. maybe a vac leak. maybe injectors.
how old is the gas?
#20
After thinking about the problem overnight, I'm starting to think the problem could still be fuel pressure. At idle pressure is good but once demand for fuel goes up do you think the pressure could drop off (plugged filter). Once it gets daylight I am going to try my set-up again and see if I can stop the leaks. That way I could check fuel pressure at higher RPS and see how fast the pressure bleeds down.