No matter hot or cold. Also, sometimes it just runs fine, under no special conditions, just when it's in the mood. After it started I opened up the OBD, showed a system too rich, oxygen sensor lean and cylinder 1 misfire. Changed both front oxygen sensors, ran good for a day, then same again. Probably didn't change a thing, it was just in the mood to run. Then plugged OBD again, no faults. Changed fuel filter, restored the pump, changed coils, plugs, did IAC, throttle, MAF, EGR. Checked all wires I could find, hoses, vacuums, everything seems okay and nothing out of place, leaking or not installed properly. Still all the same.
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Thursday, November 7th, 2019 AT 12:27 PM