Bank 2 stft ranges between 5-7 at idle to 25-30 at 60 (1700 rpm?). Bank 1 runs +- 5 at all times. Ltft is zero on both banks. Motor seems to run...

Hello and welcome to ExpertHelp.com! My name is Ramy De Jesus and I'm going to do everything in my power to answer your question to your full satisfaction!

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Hi Stuart! Thank you for choosing ExpertHelp.com. May Iknow what is the year model of your nissan and are you getting any error message? Is this the first time you encounter this issue? When your ready, please type your responses on this page and then click on the Blue Send Response button to post your response. I will be standing by for your response.

 May Iknow what is the year model of your nissan and are you getting any error message? Is this the first time you encounter this issue? 

Please give me a minute or two and I will be calling you.

Expert notes:

• Call customer.
• Assist customer on the issue.
• Advise customer to replace the catalyctic converter.
•  Customer will keep us update what will be the result.
• Call ended.

Dear Stuart, It was a pleasure helping you with your Nissan issue today. Here is a summary of the resolution.

Issue identified : lose power
Solution Implemented : Call customer. Assist customer on the issue. Advise customer to replace the catalyst converter. After replaceing it the vehicle run great. Issue resolved. Case closed. Call ended. Customer provided a tip.
If issue resurfaces : Advised to contact us at s**t@experthelp.com or call us on our support number ***-***-**** )