Quote:
Originally Posted by cody
What's wrong: Either your UP cat is failing, your EGT probe is failing, or you are generating higher than typical EGT's due to another problem. None of these possiblities are particularly safe situations.
You said you removed all the parts. Does that include the UP? How's the cat look when you shine a flashlight at it? I'd imagine the sensor could be tested with an ohmmeter and a blow torch, but I'd bet it's the cat failing which might also explain why the car has been running poorly lately.
What I'd do: When upgrading the turbo, install a ceramic coated UP that doesn't have any bungs. Tuning will eliminate the CEL associated with removing the EGT sensor and it won't be necessary anyway, now that you have a catless UP. Consider installing an EGT probe in the headers for an aftermarket gauge.
Profit?
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I did not take the UP off and look at it with the flashlight unfortunately. I never upgraded it from the factory one. Not to mention I have my roommates dirtbike and various other things that he just put in the garage so that I do not have any room to work on the car or even pull one in to check. I plan on doing an aftermarket UP in the future but want an AP first. I tried to take off the intake and put the stock one back in, but can't seem to find one of the plastic parts of the snorkel shit, so I aborted until I can go through the messy garage to find it. So as of now I have a AEM intake, Apexi Turbo Timer, Megan Racing CBE, and Megan Racing Springs. And I don't plan on upgrading the turbo for quite some time but appreciate the insight about the ceramic UP.