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Hi,
I have a toyota corolla, 95, 1.8 L engine. I have been having emissions problem.
(To make it clear, it has failed atleast 7 times during the last 10 years).
My CO and HC are high (~1.6 2.1 % and ~160 -240 ppm) respectively. I have my mechanic
take care of the issue. Once he replaced the MAP sensor, and rest of the times, what he does
is, he increases the idle to ~1600 rpm and then the vehicle passes the emission, and then
set it to ~700 rpm (I think this is the factory recommended idle rpm). It is okay as I can live with it,
but was wondering whether there is an indication of something else that is causing the problem?In the past several years, the vehicle has some of its emissions components changed:
O2 sensor, MAP sensor, EGR valve, among the many.I appreciate your valuable comments or things that I could try to help this problem
on a permanent basis.Thank you very much.
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Replies
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good to know about this kind of issue..I am looking to buy either a 90’s corolla or a subaru…which ever is in my budget at the time of purchase and I too am going to be following Eric’s how to buy a used car video. Anyone know of the most common corolla problems of the 90’s? I want to really know the era of that car so when a issue arrises I may know were to look besides the basics. I also plan to buy a obd/obdII code reader for my laptop.
good to know about this kind of issue..I am looking to buy either a 90’s corolla or a subaru…which ever is in my budget at the time of purchase and I too am going to be following Eric’s how to buy a used car video. Anyone know of the most common corolla problems of the 90’s? I want to really know the era of that car so when a issue arrises I may know were to look besides the basics. I also plan to buy a obd/obdII code reader for my laptop.
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