High emissions test readings help
#1
Scooby Newbie
Thread Starter
High emissions test readings help
Just had MOT done car failed on emissions due to high lambda reading after 2nd idle test and high carbon monoxide reading after 2nd idle test it was way over a hundred.
ive got a 2005 WRX running approx 320 bhp got a sports cat fitted on the downpipe with an after burner backbox with no cat on the mid section. Any idea how to get my readings lower? x
ive got a 2005 WRX running approx 320 bhp got a sports cat fitted on the downpipe with an after burner backbox with no cat on the mid section. Any idea how to get my readings lower? x
#6
Scooby Newbie
Thread Starter
Car due in for it’s MOT next week was unable to do it recently due to family commitments. Up until about 6 months ago the car was used as a daily driver but then lost my job so only gets used about once a week so perhaps it needs a good run out before MOT and before I remove the air filter. Silly question but is it safe to drive the car without an Ait Filter in?
#7
Scooby Regular
if it was me , a good run before the mot then see how you go , fuel will be possibly starting to go off, worth filling with some sul , i would always run a car with an air filter , i don’t know how much difference to emissions with no air filter , it should be fine with a filter 👍
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