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1995 Sonoma
I have a '95 2.2 4-cylinder Sonoma and am losing power at higher rpms. It basically feels like I am pulling a heavy load and the engine noise gets louder. I have replaced fuel pump, fuel filter, checked fuel injectors, and had it in for a diagnostic test and they said the cat. converter was fine. I'm thinking maybe the EGR valve? Any thoughts appreciated. Power loss happened overnight so I'm thinking something is stuck somewhere. Lose power going up hills or even against a strong wind.
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