O2 Fix to remove CEL or SES

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O2 Fix to remove CEL or SES

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Mitsubishi >> Tech Help and Information >> Do-It-Yourself >> O2 Fix to remove CEL or SES

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O2 Fix to remove CEL or SES - 10/21/2006 8:26:36 PM

TheEngineer

Posts: 10172
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Joined: 1/25/2006
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This is a quick fix on how to install a spark plug fouler when you have a high flow cat or a test pipe installed and you want to get rid of the check engine light (CEL) or service engine soon light (SRS).

STEP 1
-purchase 2 spark plug anti foulers at your local auto parts store
-18 mm size
-made by HELP brand / part number 42002
-HELP has also another part number 42009 and are shorter in length than the 42002, i have heard they worked , but i am not 100 percent

STEP 2
-disconnect the negative terminal on your battery. this will reset your ecu
-take one of the anti foulers and drill out its center using a 1/2 bit ,
-this will increase its hole size and allow your stock o2 sensor to fit

STEP 3
-screw the drilled spark plug anti-fouler on top of the original
-be sure to use some kind of anti-seize on the treads. in case you need to remove your fix with ease

STEP 4
-unscrew your stock o2 sensor and place your cel / ses fix in
-use anti seize on the threads
-clean your cell (by wiping it off with a paper towel)

STEP 5
-reinstall your o2 sensor
-use anti seize on the threads

STEP 6
-reconnect your battery (your ecu is reset)
-you have just solved the problem of the 'damn light keeps coming on'

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