Quote:
Originally Posted by SilkkTheShocker
how can i tell if this is the problem, do I need to get an OBDI test?
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Why do you think it's the cat?
The factory manual goes over how to pull trouble codes, I think that's what you're calling an OBDI test.
You can download the manual here:
1991 mr2 repair manual
or view it here:
http://www.mr2-tech.com/bgb/mechanic...mechanical.htm
-Bandwith exceded at the moment, you'll still want to bookmark the site.
FI-25 is the page you want.
You don't need a special tool, a paperclip will work fine. With the ignition on, engine off, jumper TE1 and E1 of the diagnostic connector (passenger side of the engine bay behind the intake manifold). Count the number of times the check engine light flashes: example for code 21 - 2 quick flashes a 1.5 sec pause, 1 flash. There is a 2.5 second pause between codes and a 4.5 second pause after all the codes have been read. It will then repeat until you remove the jumper.
If you downloaded the manual, see page FI-30. Otherwise search this board or google Toyota MR2 DTC to get the meanings of the codes if the above link isn't working yet.