Toyota Celica Problem Report
Toyota Celica Check Engine Light Due to Restricted EGR System
The EGR System tends to get restricted or blocked with carbon after 100,000- 125,000 miles which will cause an emissions test failure for NOX. If the EGR system is equipped with an EGR temperature sensor it will trigger a Check Engine Light for improper EGR flow. The repair is to clean out the EGR passages and the EGR Temperature sensor. Our technicians tell this repair is pretty straight forward and takes about 1-1.5 hours. It is also wise to verify the EGR system components i.e. the Transducer, EGR Valve and VSV Solenoid at this time.
car failed recent emissions test (GA) for NOx emissions, Toyota dealership wanted $998 for EGR valve replacement, along with VSV and Vaccuum valve, with no assurance would pass emission and possibly more repairs - I'm taking to another repair shop to start over with diagnostics. - djsirman
'97 Toyota Celica GT 2.2 5S-FE Engine- Manual 5/speed.
two part problem?...
i went to start her up this a.m. and she started fine... after about a minute she just CHOKED out on me, completely. the misfire left me stranded... and i heard a buzzing/ticking noise which sounded like it may have been coming from the igniter (which was hot to the touch). when i got home from work she started up fine with nothing but an engine check light. this has happened before and after three or four attempts to start she just kicked on.. but i haven't gotten the check light before. looking around under the hood i'd found the bottom screw on the cap n roter loose and there was some condensation build up-so i replaced them and she was ok..until it happened again, in the rainy weather.. so i put on some wire drier and was going to replace the spark wires etc until today, which was very crisp n warm out. (not really humid at all/no rain for the past 2 days)
i just received 2 diagnostics codes *
p0401-egr system fault; ecm detected too little flow on the egr system.
possible causes: blocked passage to egr; failed egr; egr solenoid faulty; failed egr pressure sensor/position sensor.
p1300- igniter circuit malfunction: open or short circuit condition; poor electrical connection.
if there is a blockage in the egr valve,(checking for blockage instead of replacing) do you know how i would go about cleaning it? and is there anyway to test the igniter?, or is it being hot a pretty good indicator that i should just replace it?
no solution, just yet. - 97 toyota celica gt-trd
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