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02/04/2023 6:09 pm
Topic starter
I have a 2012 Hyundai sonata with 130K miles on it and I was getting the code P2188 system too rich at idle bank 1 code so I changed both of the oxygen sensors, the throttle body and the engine air filter. My mechanic is now saying it could be a clogged catalytic converter so I put some cleaner in the tank and the engine light went off but it’s still occasionally having trouble starting
2 Answers
0
02/04/2023 6:37 pm
Did you clean the throttle body
I replaced it about 2 weeks ago
Did you check the fuel pressure
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05/04/2023 2:38 pm
Topic starter
The mechanic said he tested the fuel pressure and it was fine