[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]
Re: "Gross polluter" '91 200Q -- help!
If the new plugs don't help there is another adjustment that worked
for me. I had to get my '87 5kSQ w ~175k miles emissions tested for
the first time when I moved to Massachusetts (very similar standard to
CA I think). I had just done new plugs, wire, cap, etc and had heavy
oil, original O2 sensor though. When hooked up to the sniffer the CO
and HC were high. The mechanic then adjusted the screw embedded in
the fuel injection system next to the fuel distributer. (somebody help
me with the name here). This caused an immediate drop in the
emissions to well within the legal limit and I was passed. There was
a thread on this recently so maybe someone can give you a reference in
the archives. The adjustment screw is probably under a metal plug
that must be drilled out to gain access. The adjustment is also very
sensitive so make sure you or the mechanic know how this should be
done. I have noticed no bad side effects of this adjustment in the
past few months.
On Mon, 02 Mar 1998 10:35:12 -0800 Arun Rao <email@example.com> writes:
>Took my car in today for the biennial smog check (California). Bad
>the guy says the car's a gross polluter, and won't pass. He didn't
>entire test, because he would have to report it to the DMV if he did.
>suggested I have the car looked at right away .. the HC and CO levels
>both extremely high.
>Any one had a similar experience? Car's running like a top, except
>occasional hard starting (10 cranks instead of 3) when cold. No idle
>But .. I haven't replaced the O2 sensor in 35,000 miles, and the
>probably still original (they looked fine, though). The car has 73K
>Thanks in advance!
>Pixar Animation Studios
>Pt. Richmond, CA 94804