Mazda CX-7 This sporty turbocharged 4 cylinder SUV combines the spirit of a performance car with the versatility of an SUV.

Cannot find Fuel Rail Pressure Sensor

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Old Feb 13, 2025 | 09:33 PM
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Default Cannot find Fuel Rail Pressure Sensor

I am seriously hoping someone can help me with finding a fuel rail pressure sensor for my 2007 Mazda CX-7. It's been a complete nightmare with the past two I ordered. EBay seller sent me one with the 5V and ground terminals flip flopped, found that out with multi meter. Amazon seller, good ratings, sent me a used and dirty sensor in some crappy a$$ packaging and the wrong part number altogether. I called a local Mazda dealer the other day and the sensor is only sold as one part with the fuel rail now, not separately, surprise surprise... And guess what? The whole thing is over $1,000 ordering from them. I just need a sensor that will work, could anyone help me out? I would greatly appreciate it.
 
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Old Feb 14, 2025 | 05:52 AM
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What testing have you done to actually condemn the sensor? Are you going purely on the basis of a fault code?

( please don't take offence with my questions, I'm only trying to help)
 
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Old Feb 14, 2025 | 07:19 AM
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No offense taken, I'm completely new at diagnosing and doing many mechanical repairs. I was having trouble, all of a sudden, with my car acting like it was having trouble going down the road. Rims were all over the place, between 1000 and 3000, then it would go into limp mode. I would have to let it sit and warm up a bit and then I could drive it for a little while. I had to do this daily. I got a bottle of Lucas oil fuel Injector cleaner, waited until the car was almost empty and put the lucas in and filled it up with 93 octane to see if it might just be carbon build up, but still had issues. I used my bluetooth scanner and got a P0192 code, did a little bit of research into what it could possibly be and came to the conclusion the atleast check the spark plugs and change the fuel rail sensor. I changed both and in the process of getting the old sensor off, I broke it, the wiring harness end broke off.... yea that's my luck. It broke loose from the block, so I was good there. Then all of my luck with the ones I ordered. I actually electrical taped everything on the wiring harness side of the original broken one, and screwed back in the block and it tested fine, of course, but I'm not going to, and can't, take my chances running on that. On top of my fuel rail sensor issue, my car threw P2122 and P2127 codes after the fact as well. I have ordered an accelerator pedal too just in case. Do you know where I could order a replacement fuel rail pressure sensor?
 
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Old Feb 14, 2025 | 07:41 AM
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After a quick search with a local parts store in my country I found, for a 2010 CX-7 2.3 Turbo ( correct me if im wrong)

RPS129 - "GOSS" FUEL RAIL PRESSURE SENSOR
https://www.goss.com.au/catalogue/




 
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Old Feb 14, 2025 | 08:06 AM
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I really do think that would work for my car, after taking a look, but I'm unsure if there's any difference in the sensor or how to get ahold of someone for it.
 
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Old Feb 14, 2025 | 08:23 AM
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https://www.ebay.com.au/sch/131090/i...S129&_from=R40
 
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Old Feb 14, 2025 | 11:05 AM
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Thank you so much, I purchased another off Ebay, different seller, fingers crossed that it works.
 
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