Helpful video on a common issue.
Paul Danner is providing his diagnostic expertise. This information provides a quick and easy way to diagnose abs activation on every stop. In the usual Scanner Danner way Paul uses his no-nonsense approach to complete the diagnosis.
While these fuel injection systems worked well, we did see carbon deposits build up on the intake valves — a condition that could cause some poor cold starting. To combat the carbon deposits, we bought a walnut blaster so we could remove the intake manifold and blast the deposits away with walnut shells. Those cars gradually disappeared, and it was about seven years ago when I put the walnut blaster into the storage shed thinking I would never have to use it again…
An oxygen sensor code doesn’t always mean a bad O2 sensor. If the computer sets a soft code, this means the SES light doesn’t stay lit and chances are there is something affecting the mixture and the computer is throwing an O2 code.
If your engine is consistently running with a rich fuel mixture (too much gasoline), then the most likely causes include a leaky fuel injector, a faulty fuel pressure regulator, a restricted or clogged fuel return line, a filthy air filter, a (partially) clogged air intake system, a restricted exhaust system, or a oxygen sensor that shorted out.