Ranger 4.0 with 7 CEL Codes
Hello, so I recently was able to scan my truck for engine codes. Since, I have always found it suspect that it never came on, even though the vehicle has some issues. Now, that I am able to check the codes these are the ones I have: P0141,P1151,P0304,P0171,P0174,P0136,P1152. Now I know the majority of these are O2 sensor codes, and I can change the upstream ones but when I bought the vehicle it was straight piped missing the catalytic converter, so is there anything I can do about that and will even changing the upstream sensors have any effect? As for the other codes, I thought I had a vacuum leak but I did not other than in the intake manifold which was afterward. Additionally, my truck which I feel is one of the symptoms of these codes has started to stall when idling for too long, as long with launching itself and delay of power after pressing down the gas.
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