Help! Nightmare!
#1
Help! Nightmare!
Long time lurker. First time post. So I have a 2000 silverado 4.8 l and I had an o2 connector plug lay against the exhaust pipe, melting it. So I cut / splice the wires. Ever since then I've been having a multitude of problems to which I can't trace. (wiring infuriates me) I do t know where to begin or how to start tracking the problem. As of now I have p0137 p0157 and p0332. The knock sensor I assume is genuinely bad. I drive 50 miles a day one way to work so I can't afford horrible gas milage! Also the two post cat sensors are new. Sorry if there are errors I did this on my phone. I cam get a freeze frame from torque if need be. Thanks in advance!
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#8
The pig tail wires are not available separately.
Visually check ALL your wires/hoses/Vacuum lines and their connections for faults.
The ECM is very smart and is telling you something is wrong.It is up to you to systematically investigate each probable cause and by process of elimination,you will find the cure.
#9
Well I did by a new o2. Both sides. But the ecm side of b1s2 melted too. So the new o2 pigtail is useless. I've visually checked the motor pcm grounds Maf and intake vacuum lines and nothing seems wrong / damaged. I don't know where to begin as far as trouble shooting.