Thread: 2001-3.8 Hesitation

had the engine light lite, thortle hard to push 1st thing in morning, or after car sits for more then 6 hours. engine lite on, scanned had MAP sensor low voltage, replaced sensor cleared code. clean and lubed throtle cables. idles good, but when i accel hard, have hesitation at 2200-2500 rpm. checked all vacuum hoses, new air filter.