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  1. Estes06

    Brake pad recommendations

    That's my plan. It is a daily driver. I swap between my MS3 and my Hemi powered Jeep Grand Cherokee. I'll just wait for the new ABS module. I looked into the NAPA AdaptiveONE pads and you are correct. I can only find them available for the rear. Anyone have any opinions on the CorkSport brake...
  2. Estes06

    Brake pad recommendations

    I'm planning on replacing my front and rear brake pads and rotors soon. They front brake pads have been recently replaced but it was before I owned the vehicle. I suspect they are cheap pads because the brake dust is unreal. Before I order anything for it, I just wanted to see what opinions or...
  3. Estes06

    P0300, P0171, Driveability issues under heavy throttle

    I would just like to post an update. I replaced #2 injector, all injector seals, and the intake manifold gasket. I went with graveyard performance for the railside and the upgraded corksport injector seals for the head side. I've been driving it for about 2 weeks now and the CEL has remained off...
  4. Estes06

    P0300, P0171, Driveability issues under heavy throttle

    I drove the car into work and only let it set for about an hour or two before doing the compression test. So the engine wasn't entirely cold.
  5. Estes06

    P0300, P0171, Driveability issues under heavy throttle

    Does any happen to know what compression is supposed to be for the 2.3l? I have access to alldata and they say it should be between 130psi and 186psi and the greatest difference in cylinders allowed is 28.4 psi. I just want to make sure that is correct. I believe my issue is in fact low...
  6. Estes06

    P0300, P0171, Driveability issues under heavy throttle

    I verified the purge solenoid was commanded to 0% and removed the line from the purge solenoid to the fuel tank. The purge solenoid does not appear to be leaking. Although it appears to be running lean the p0171 has not reset yet. I don't hear or see any vacuum leaks and I've been to every spot...
  7. Estes06

    P0300, P0171, Driveability issues under heavy throttle

    So here’s a little update after my 40 min drive home. My downstream o2 sensor woke up at some point and started reading. I didn’t notice that until I pulled in my driveway though. LTFT is still reading over +14 at all times. No CEL although I do anticipate it coming back on with the fuel trim...
  8. Estes06

    P0300, P0171, Driveability issues under heavy throttle

    Just checked the AFR. It appeared to fluctuate although the scan tool used 1 in place of 14.7. On accel it read under 1 (around .87) and on decel it read over 1 (around 1.9.) I believe that matches what you were saying @jdab555
  9. Estes06

    P0300, P0171, Driveability issues under heavy throttle

    I checked the gap on the old spark plugs. All were between .024 and .025. I replaced them with the NGKs. The gap on the new plugs is between .026 and .028. I looked all of the coils over. No signs of damage or corrosion. I cleaned the HPFP ground. I'm assuming that was the ground on top of the...
  10. Estes06

    P0300, P0171, Driveability issues under heavy throttle

    I will check the spark plug gap tomorrow when I’m at work and I will report my findings. I also have some brand new ngks that I’ll double check the gap on and install.
  11. Estes06

    P0300, P0171, Driveability issues under heavy throttle

    Year/Make/Model: 2011 Mazdaspeed3 Mileage: 94k Location: GA Concern: CEL, Stutter under heavy acceleration DTC's: p0302 and p0171 Modifications: DM mounts (All 3), resonator and muffler delete ECU/Tuning Software: none Tuner: n/a Is the concern intermittent? no Can you duplicate the concern? yes...
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