Mike68
Junior Member
Hi,
2001 Ram 2500 4x4 quad cab 5.9 V8 gas auto trans.
When cold, 02 scensor rich on bank one.
Coffs and chugs for approximately 3 minutes, then cleans up and runs ok.
I replaced the cat, both 02 sensors, the idle control sensor, plugs, wires and cap, new fuel injectors, took it to a shop and had them time it.
Arg!
starts up good in morning (lately approx 65 degrees F) for about 3 seconds and then engine light, chug and coff for 3 minutes and then cleans up.
Then I shut it off, clear the bank one O2 sensor rich code, and go about my day.
Runs fine warm.
Next morning, same thing.
temp sensor and fuel pump new a year ago.
WTF?
2001 Ram 2500 4x4 quad cab 5.9 V8 gas auto trans.
When cold, 02 scensor rich on bank one.
Coffs and chugs for approximately 3 minutes, then cleans up and runs ok.
I replaced the cat, both 02 sensors, the idle control sensor, plugs, wires and cap, new fuel injectors, took it to a shop and had them time it.
Arg!
starts up good in morning (lately approx 65 degrees F) for about 3 seconds and then engine light, chug and coff for 3 minutes and then cleans up.
Then I shut it off, clear the bank one O2 sensor rich code, and go about my day.
Runs fine warm.
Next morning, same thing.
temp sensor and fuel pump new a year ago.
WTF?
