The O2 sensor has a pair of wires that operate the heater portion (so
that it warms up quickly, faster than just from the exhaust of a cold
engine). I don't recall what circuit feeds them, but if they shorted,
you may not have, say, voltage to the coil. The ECU is another obvious
possibility. Start by checking all your fuses: shorting out the heater
portion OUGHT to simply kill a fuse, regardless of what circuit it is
on. However, I had an '87 on which the harness smoked a foot or two
away from where the O2 sensor leg joins in when the sensor failed, so
I'm not certain that it's protected.
Ron
Brian wrote:
Hey Guys,
I have an 88 GLI Jetta 16V, usually running pretty smoothly. I had some work
done
on my catalytic converter, well I basically mean replaced. As I was driving the
down
the street one day about 6 weeks ago, the O2 sensor was not tightened in enough,
and became loosened and fell out. The sensor was sssoo damaged from bouncing
around under the Jetta, that it was destroyed. The car stayed running for most of the
trip home, until maybe a mile from home the car TOTALLY died. I have replaced
the
O2 sensor, but the car refuses to run. It doesn't pop, sputter, or anything,
just totally
dead. Any ideas?
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