Thanks for the guidance..going to need more I'm afraid. I still have the same 4 codes re-appear after disconnecting the battery and driving 10 miles. Any tips for testing the wiring that may short all 4 sensors? Im prepared to invest in the durametric tool before taking back to the dealer. I replaced the maf and o2 sensors myself as the dealer charged me 1200 for the water pump, coolant, belt and oil change.
The sensors I got off eBay were marked compatible with my 98 base 2.5 but I think I read elsewhere that the generics may be problematic with the 2.5. I would like to hear if anyone else has verified that as a problem.
Also, I heard from the previous owner that the air oil seperator was replaced about a year ago so it has been running with the cel light on for some time...though I know he only drove it sparingly as he couldn't get the top down due to a micro switch I fixed for him.
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