No start with random unrelated CEL's -07 MS3

Discussion in 'Mazdaspeed 3 Troubleshooting' started by D07MS3, Aug 30, 2023.

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  1. D07MS3

    D07MS3 Greenie N00B Member

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    Hi there,

    I have a 07 Ms3 with 147k. Just as of today it would not start (cranks great) and I had to get a tow.

    modification list: COBB front mount intercooler, AEM intake, perrin bpv, cobb turbo inlet hose, torque solutions bypass valve recirc hose. Auto tech hpfp internals. Car is otherwise stock. Car is tuned by freektune. Currently running base map, been using same map for a week and ive had some misfire codes but nothing like what happened today.

    Timeline is as follows;

    1pmish: I replace all 4 spark plugs with NGK 6509 LTR6IX. (was getting recurring random and/or cyl 3 misfire codes and I dont know when they were last replaced as I recently bought the car used.) I gapped them to .028. Car starts up perfect no issues no codes. 1:30pm: I drive 20 min to have some fun on twisty fast roads. I drive back and forth on said fun road and then I go fill up tank with 91. 2:15~ I start car and as I go to leave gas station the car just dies. has not happened before. No bad noises no knocking no nothing just dies. I push the car to a parking spot and get the following codes via my v3 AP; PCM: "P2128" "PO443" "P0403" "P2088" "P2009" "P2101" "P0091" ABS: "U2023"

    PCM Codes:

    1. P2128 - Throttle/Pedal Position Sensor/Switch "E" Circuit High: This code typically indicates an issue with the throttle position sensor or its circuit.
    2. P0443 - Evaporative Emission Control System Purge Control Valve Circuit: This code is related to the emissions system and could be caused by a faulty purge valve, wiring issues, or a problem with the charcoal canister.
    3. P0403 - Exhaust Gas Recirculation Circuit Malfunction: This code suggests a problem with the EGR system, which could be due to a malfunctioning EGR valve or issues with the circuit.
    4. P2088 - A Camshaft Position Actuator Control Circuit Low (Bank 1): This code relates to the variable valve timing system and could be caused by a faulty camshaft position actuator or wiring issues.
    5. P2009 - Intake Manifold Runner Control Circuit Low (Bank 1): This code indicates a potential problem with the intake manifold runner control system, often caused by a faulty actuator or circuit issues.
    6. P2101 - Throttle Actuator Control Motor Circuit Range/Performance: This code points to an issue with the throttle actuator control motor and its circuit.
    7. P0091 - Fuel Pressure Regulator 1 Control Circuit Low: This code indicates a problem with the fuel pressure regulator circuit.
    ABS Code:

    1. U2023 - Fault received from external node: This code could indicate a communication issue between different modules in your car's system.

    My first thought was that it was an electrical issue or fuse but im just not sure and was hoping for some guidance on here. The spark plugs were on my mind too but not sure how they would correlate with all those codes. Is there a main fuse that connects all of those or a common ground or something that would connect the dots? If anyone could point me in the right direction on where to look for first that would be great. Thank you for reading.
     
    Last edited: Aug 30, 2023
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