[SOLVED] Started car after storage, cuts out (P0091, P0192, P0193)

Discussion in 'Mazdaspeed 3 Troubleshooting' started by Anthony Pham, Apr 4, 2022.

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  1. Anthony Pham

    Anthony Pham Greenie N00B Member

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    Hello all!
    I started the car last night after sitting for 4 months; primed the car at least 5 times before starting. Initially it started and idled fine - after 2 mins it began cutting out. Last night I got codes P0091 and P0192.

    Today I tried again after cleaning the connection/plug for the fuel rail pressure sensor. Started fine but died after 1 minute. This session of starting the car gave me P0193.

    I took a video of my AP showing the wacky fuel pressure voltage and pressure. First video is idle, second is KOEO.

    I'm leaning towards that the fuel rail pressure sensor has gone bad. Any advice?

    Thanks all in advance.
     

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    Anthony Pham, Apr 4, 2022
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  2. Easter Bunny

    Easter Bunny Professional Engineer Motorhead Platinum Member

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    Does the battery have a completely full charge? These cars will run like shit on a weak battery
     
    Easter Bunny, via a mobile device, Apr 4, 2022
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  3. Anthony Pham

    Anthony Pham Greenie N00B Member

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    Voltage wise, i'm getting 14.1's when the car is on. The battery was stored inside my house until a month ago where I put it back into the car but with a battery tender. Amp's wise, not sure.
     
    Anthony Pham, Apr 4, 2022
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  4. Easter Bunny

    Easter Bunny Professional Engineer Motorhead Platinum Member

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    14.1 running just means your alternator is working. What's the voltage with the car off
     
    Easter Bunny, via a mobile device, Apr 4, 2022
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  5. Anthony Pham

    Anthony Pham Greenie N00B Member

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    ah, sorry - electrical isn't my thing. I believe I saw 12.1 when it was off.
     
    Anthony Pham, Apr 4, 2022
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  6. Anthony Pham

    Anthony Pham Greenie N00B Member

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    Ended up being the fuel rail pressure sensor, replaced and all is good if anyone comes across this thread in the future!
     
    Anthony Pham, Apr 9, 2022
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  7. Lami

    Lami Greenie N00B Member

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    Do you remember what the part number was or where you found it? I can’t find it anywhere.
     
    Lami, via an iPhone, Apr 28, 2022
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  8. JohnnyTightlips

    JohnnyTightlips Motorhead Silver Member

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    JohnnyTightlips, Apr 28, 2022
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