My 2003 Echo engine light keeps going on...took to shops...couldn't find anything wrong...told to buy new gas cap...and reset it...but on again...took to 2 shops..finally took to Toyota shop...said have to remove panel and check gas pipe..will cost $400 and poss. more depending on what they find...didn't know there was a diagnostic code..will have to ask...need to reply tomorrow if I want it worked on....are they trying to soak me?
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2003 Toyota Echo Question: Check engine light keeps going on...
Answer #1patrick mannion from Greg Solow's Engine Room, November 03, 2010, 01:59Master
Really need to know what the trouble codes stored are to advise. Sounds like an evap. emission related code, could be a canister issue, purge control valve, several specific things. The tests are complex and often carried out wrong, make sure people doing working on your car are familiar with Toyota. If they are stumped, There is a professional service called Identafix. http://www.identifix.com/info/about_us.htm They only deal with professional repair shops. They are in the Minnesota 651-633-8007 begin_of_the_skype_highlighting 651-633-8007 end_of_the_skype_highlighting. Your auto repair shop do all their diagnosis tests, and discuss your problem with a team of professional technicians great service cheap and very bright people.If the repair shop that are repairing your car are stumped this is a great service. This company only deal with automotive repair shops and don't answer questions for the general public but are an amazing knowledge base.
If you are interested in a technical overview from a great source, look at http://www.autoshop101.com/ click on technical articles on left top of page and scroll down to article on evaporative emission system.