Question about 1994 Chevrolet K1500

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I have a 1994 chevy pick up and i just did a tune up and replaced the O2 sensor thinking that was my problem but it didnt help. the problem is when i drive my truck with my foot lightly on the gas it runs fine but when i push down on the gas to go up hills or speed up it seems to miss fire and has no power

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Check your fuel pressure, you should be around 50 psi. If this is ok, I would concentrate on the ignition;
Wires,plugs and ignition coil.

Posted on Feb 02, 2010

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