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What is code P0507

Tiny
IFYUSER
  • MEMBER
  • 2003 VOLKSWAGEN PASSAT
  • 2.8L
  • V6
  • 4WD
  • AUTOMATIC
  • 180,000 MILES
Codes P0300, P0507, P0171 P0174, P0304, P0302, P0301, P0306.
Those are the codes I get. I still need to figure it out. But for now I will let it rest. I know it's ignition and electricity I just need to see what p0507 is and if it showed up on my drive cycle. All I know is misfire gas lean multiple misfires.


A misfire problem.
To much air.
A vacuum leak.

Lean
Bad calibration of evap both banks

I will wait until I get p304 and p303.
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Friday, December 4th, 2020 AT 10:59 PM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 13,464 POSTS
Those are not related to spark or electricity, they are all codes set if you have a large vacuum leak or EVAP leak.
P0507 is excessive high RPM's, also can be caused by a vacuum leak causing the system to be lean. I suspect it all comes back to the EVAP issue you posted earlier. A large EVAP leak can easily cause these because the system tries to open the purge valve with the engine running and instead of getting the fuel air mix it's supposed to get, it instead gets straight air. That leans out the system and causes misfires and more.
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Saturday, December 5th, 2020 AT 12:24 AM

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