my truck has no power at low rpm untill about 3500 rpm then runs strong.
The exaust sounds different but it is not pluged ive done a tune up plugs
wires cap roter air and fuel filter checked the timeing and put in a tps,
map senser ignition modual none have made any difference. checked
compretion good on all cylinders 140psi fuel pressure is also good. it
also stalls in reverse on small hills becouse i have to floor it. it also
runs smooth not skipping. any help or ideas thank you

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On Dec 11, 3:32 am, "chevyman84" <mjkk... (AT) hotmail (DOT) com> wrote:
How many miles? You may have a bad cat, I had sort of the same
problems when the cats on both my Dodge and Chevy went out.

"azwiley1" <wiley156 (AT) yahoo (DOT) com> wrote

If the exhaust is plugged, like with a bad cat, it will run worse as the RPM
goes up.

Al