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New G35 Owner

Old 05-10-2019, 08:11 PM
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AwayV2
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Hello i just bought a G35 coupe and immediately took it to autozone to get the service light checked out and they said that it might need timing and recommended me to a shop nearby, they told me it was o2 sensors and some other sensors and ended up charging me $600. i just want to know did i get hustled or is that a standard price because now theyíre telling me i need a new a catalytic converter thatís $700+ with a $120 labor cost just to pass smog
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Old 05-10-2019, 10:36 PM
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mr. sparco
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Not sure exactly which sensors they replaced and if they used OEM parts. If they charged you $600 and didn't provide a break down of the work completed then yes, you got "hustled." Most sensors are easy to replace.

Cat converter- Depends on the state you're in, CA cat converters have to be CARB compliant. Most other states just require 50 state legal compliant, much cheaper. Legit smog check around CA runs about ~$45 if you shop around. The umm "hook up" shady places, costs tend to be much more which doesn't require anything. An OEM Nissan cat is around ~$500-600 depending on where you shop.
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Old 05-10-2019, 10:42 PM
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AwayV2
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Originally Posted by mr. sparco View Post
Not sure exactly which sensors they replaced and if they used OEM parts. If they charged you $600 and didn't provide a break down of the work completed then yes, you got "hustled." Most sensors are easy to replace.

Cat converter- Depends on the state you're in, CA cat converters have to be CARB compliant. Most other states just require 50 state legal compliant, much cheaper. Legit smog check around CA runs about ~$45 if you shop around. The umm "hook up" shady places, costs tend to be much more which doesn't require anything. An OEM Nissan cat is around ~$500-600 depending on where you shop.
thanks for the reply they gave me a sheet with everything they worked on i just canít remember off the top of my head when i get home iíll update exactly what got done, also would i be able to do the cat work myself or do i need to get help from a shop i live in california btw
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Old 05-11-2019, 07:53 AM
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Originally Posted by AwayV2 View Post
thanks for the reply they gave me a sheet with everything they worked on i just canít remember off the top of my head when i get home iíll update exactly what got done, also would i be able to do the cat work myself or do i need to get help from a shop i live in california btw
Do you have any mechanical skills with proper tools? Getting under the car with some flimsy scissor jack from your trunk and $6 box of sockets from Autozone would be asking if you want to be seriously injured or even killed.
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Old 05-12-2019, 10:56 AM
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Originally Posted by AwayV2 View Post
thanks for the reply they gave me a sheet with everything they worked on i just canít remember off the top of my head when i get home iíll update exactly what got done, also would i be able to do the cat work myself or do i need to get help from a shop i live in california btw
Unfortunately if you could not do the sensor repairs yourself, then replacing the catalytic converters will be a much more difficult job.

I would recommend you research the engine codes/ problems before taking it straight to a shop. Then you can at least get an idea of what to expect, and see through any b.s. they try to feed you.
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Old 07-11-2019, 05:18 PM
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The oem sensors are pretty expensive. The Densos are a better option, though the complete set for a G35 can be $463 https://www.z1motorsports.com/electr...35-p-4586.html

If they replaced all 4 sensors, you didn't get hustled imo. Is the check engine light still on? If not, I'd seriously question why they want to replace the cats. I suspect that even if they ran diagnostics on it, and saw the cats weren't operating efficiently, that in itself would throw a code. I wonder if they just looked at the rusty cats, and thought "yep, those could be replaced." lol

But it all depends on whether the initial issue is fixed (CEL)
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