Recent content by runned1

That would hopefully save me some money, that’s good insight. When I bought the truck it had an O2 sensor code, I pulled them, cleaned them (blowtorch method), and repaired a corroded wire. The O2 code hasn’t returned, do you think they might still be out of spec?

Engine stalls with vacuum applied to EGR, VSV tests okay, and modulator tests okay (all ports on the system cleared, intake manifold removed and cleaned). For one test I even bypassed the VSV and modulator so that when throttle is open EGR is flowing, which gives a slight misfire when throttle...

Did you ever pass? I'm having a similar issue to you. I've got my EGR system working, which brought down my NOX levels by almost half, but I'm still sitting at 5.9 instead of the 4.0 required.