I checked the TPS and MAFS, replaced the O2 sensor. No codes.
Starts and idles fine. I have an exhaust leak in the tube that runs to the EGR valve at the Exhaust manifold . could that leak cause the engine to run bad? What else could it be?
93 Jeep grand cheorkee 5.2 L engine, no power is getting yo fuel pump
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It can cause it to run rich because the oxygen sensor may be getting a false reading as to how much oxygen is there....this in turn causes the pcm to add more fuel
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Turns out that the cat failed. I drilled some holes in it and the jeep runs fine.
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