Hey how are you
is there a check engine light on ?
have you had a diagnostic scan and retrieved the fault codes ?
We need correct Fuel pressure & good Spark for the engine to run correctly ?
Do you have a test light so we can check for spark ?
Do you have fuel pressure tester to check for fuel ?
Do you have any prior experience in electrical troubleshooting and testing with a test light for power & ground ?
what is the mileage ?
if you get me Oxygen sensor readings at idle ,upstream & downstream ones ,on scanner live data while engine running at idle ,you can also measure the cat temperature using a laser temp gun if available to you
i can tell you if the cat is clogged
have you checked plugs, vacuum leaks, maf sensor, fuel pressure , coils ,tps sensor?
IF THE CAT IS CLOGGED , UN HOOK THE EXHAUST SYSTEM AND RUN IT WITH OUT ,DO YOU HGET POWER BACK ,THEN YOU WILL KNOW
Please let me know
ASE Certified Technician