power loss
I was towing my jeep this weekend and my truck acted up 2 or 3 times. I would lose power and have to come to a stop. I had my pocket scanner with me. It showed p0300, p0131, and p0151. I believe it also backfired once. I've also had issues with it idling only when in drive/reverse but not in n/p. Not sure if this is related. Thanks for help in advance.
99 Silverado 2500 6.0 |
Ttt bump
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We had a GMC that came in few months ago.. it was a firefighting rig that ran the nastiest fuel those guys could find. it misfired, ran horrible, pretty much what your describing. i got misfire codes and that was it. i tried plugs and wires and the back cylinders were super fowled. ended up being a fuel pressure regulator that fixed the problem, they tend to be a common failure on these trucks.
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also check your 02 sensors.. those codes lead to sensor failure.. which id bet my money on.
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I've already checked fuel pressure and it seems the fpr is working fine. Would one bad o2 sensor cause both codes?
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Bad 02 sensor would cause these issues.
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The first oxygen sensor closest to the motor is having a issue. Check the connections. That sensor failed and is causing the issues you at having.
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It has 2 upstream o2 sensors. How do I determine which is bad?
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Anyone?
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Bump again.....................................
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