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The little motor on the throttle body has carbon brushes that will wear out. I used one from a Crown Victoria on the LS and that solved my problem. It is easy to change.

Could be pump failing ... wait it out

Has the fuel pump been replaced?

Any other symptoms? Fuel pressure code? Throttle body code? Etc.....

thats the ticket I had coolant on the trans bell housing like this guy for a long time. Then one day that hose blew. LOL

thats it look under TB you will see one end. The other end is below the Intake at base of Tstat.

Another thing not mentioned is a coolant hose under intake at base of thermostat housing. It loops back to throttle body.

Oh fuel rail pressure sensor high input PO193 happens only on fast deceleration that's the one whadda u think?

yeah man the sensor on the fuel rail that's the one

I heard that man. What about intermittent high voltage read on fuel pressure regulator. Any experience with that one?

sounds like EGR valve to me

McMaster-Carr

Look man. There is a rubber hose that runs from throttle body under manifold that leaks. It may or may not be available but you can make something up and if you are good you can do it without removing manifold. Try a slightly bigger viton o-ring at the 53mm thermostat housing. Also, if the...

maybe so huh

Man that is probably the 53mm o-ring leaking. You could spend a few dollars to replace it and it usually solves the problem.

do you have a leak or just need parts?

Sounds like you are doing a hell of a job man. The o-ring is the 53mm located on the coolant tube that meets the thermostat crossover pipe. If you don't have a leak never-mind. However, you can expect that pos to spew coolant in the future.

yeah I have the same leak. Thanks Look I fished a hose clamp around the coolant tube area at the Oring and it appears to have sealed that leak! Good luck with it man.

Looks like a SOB of a job. Did you have to loosen the a/c compressor to get the TC cover off?