>kristian@cs.uchicago.edu writes:
>> I am going to be helping a friend get his '75 spit passed
>>the Illinios smog test. He failed last time for too much CO.
> [...]
>> - frozen air pump
> ^^^^^^^^^^^^^^^
>The air pump is the most important asset towards reducing CO in a
>catalyst-fitted auto. In order to turn the CO into CO2, the catalyst
>requires a source of oxygen. The air pump adds air (and therefore oxygen)
>to the exhaust between the manifold and the catalyst so that the converter
>can do its job.
>
>Lee M. Daniels - Laboratory for Molecular Structure and Bonding - Texas A&M
But not all catalyst equipped cars have air pumps...the TR-8 and TR-7
with electronic fuel injection do NOT have air pumps.
Now my Isuzu trooper with F.I. does have an air-pump, however.
Just curious.
-----------------------------------------------------------------------
Note - If email replying to me with an automatic addressing process
bounces, manually address the resend using one of the addresses below.
-----------------------------------------------------------------------
Bill Sohl (K2UNK) BELLCORE (Bell Communications Research, Inc.)
Morristown, NJ email via UUCP bcr!dancer!whs70
201-829-2879 Weekdays email via Internet whs70@dancer.cc.bellcore.com
|