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I have longtube headers and one of the o2 sensor bungee got stripped and needed to rethread it. Kept getting a heater circuit code so I rethreaded the hole and bought a new 02. So I'm thinking maybe I need to change out the other side.

Yeah I was going to do the smoke test next, and I do agree with u on the MAF because I had that problem in a maxima I had and it was bad but I also think every car is different, but thanks for your help well appreciated..

Thanks for your time I will try looking into it more because I just don't want to drive my girl with knowing she's a little sick and just disregard the problem only because it happens when she is cold. For the most part she drives great when she's at operating temperature and because I have a...

I sprayed the vacuum hose ends with soapy water and I have a sct scanner. I've had codes for my o2 sensor for my heater circuit and fixed it. I know some stuff but not a full blown mechanic, I was leaning towards the MAF sensor but not getting any codes is why I decided to check with someone...

No vaccume leak or codes, I'll clean the MAF and don't know or have any tools for checking the fuel pressure. Thanks for your message it means a lot to me.

No codes popping up as of now either but I will try and clean the MAF

No vaccume leak and I don't have the tools to check the fuel pressure

So I had some issues with my o2 sensor, heater circuit for a couple months now and finally fixed it. Now whenever I start my car and tap the gas the rpm drops and the car wants to stall but it doesn't, wanted to see if I could get some suggestions on what it could be