Question about 1993 Geo Tracker
Smog is complex , here is the truth for your car , exactly.
first of all , a good Cat converter can hide a very bad running motor.
so making claims about last year, means nothing,
only the hear and now count in this complex electronic and mechanical marvel.
first off the top other helper here forgot to say , CALIF trackers do not have the Mileage nag switch.
and once you turn yours off (hidden it is) the the CEL lamp shows you if you have DTC errors. IT will say on , running.
now , there are 2 ways to fix a bad smog car.
1: fix motor.
2: new cat to hide #1 ( this will kill the cat every 2 years)
3 : fix both. both last .
easy as 1 ,2, 3, and is your choice.
if you choose to fix the real problem.
it can be as simple as repairing the EGR system.
this is also on my web page.
Posted on Oct 22, 2009
The check engine lights come on every 50k miles on the Trackers as maintenance reminders so you can take to a dealer to pay big bucks for him to push a slide switch hidden underneath the left speaker cover! Sounds like you have a bad chip in your ECU unit causing the injectors to give the engine too much fuel. You can replace just the chip, but the catalytic convertor can be partially stopped up if it has been running too rich for a while, the oxygen sensor would be what I recommend you replace first.
Posted on Oct 11, 2009
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Posted on Jan 02, 2017
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