lose of power, hesitates,rpm's stumble @ 1900

1994 GMC SONOMA
22,000 MILES
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RODE
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1994 GMC Sonoma SLE 4x4,4.3/Weng. begins to shift eradicate, can't handle loads or hills, FRAZZLED, please help

Fuel pump can't be no more than 2yr.old same with filter,and distributor.have replaced plugs, egr valve, map sensor,TPS,IAC. got any suggestions?
Mar 2, 2012 at 5:29 PM
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RASMATAZ
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Do you have a check engine light?

Check fuel pressure with a gauge if its within specs
Mar 2, 2012 at 5:34 PM
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RODE
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yes I have a ck eng. light,but it isn't on or flashing. It went went off when I started replacing the egr valve,IAC,TPS. Thanks for the tip, I will ck the fuel pressure and get back to you
Mar 2, 2012 at 5:42 PM
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