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
-- Message posted using
formatting link
information at
formatting link