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V8 hard-start/stall/stink/now OK
I have weird Audi behavior that I can't explain.
Tuesday morning I start my V8. It starts as normal, but stalls after a
second. Uh-oh. I have trouble restarting it. It stalls. Repeat, giving
it gas and keeping it running several seconds. I'm late for work, so I
take a different car. (It's nice having spares!) As I get out, I smell
Wednesday morning I repeat the experiment. It starts and stalls. I start
it with difficulty and keep giving it gas, keeping it running several
seconds. Lots of smoke pouring out the exhaust. It looks blue in the
morning sun, but a check of its odor indicates it is mostly soot. I start
it with difficulty again and keep feeding it gas keeping it running. After
about 5 to 10 seconds it stays running on its own. Lots more stinky
exhaust from the initial poor running, but now it seems fine. I drive it
around the driveway and a short distance up the street and all is back to
normal. I have an extra-important appointment so I take a different car.
Thursday "It's a good day to get stranded", so I drive it to work, and
again at lunch, with no problems.
Any clues? Oxygen sensor is only a few months old. The old one went
suddenly, leaving the car completely non-startable (due to excess gas)
with no advance warning. Is it about to repeat? TIA.
88 Corvette convertible