Fuel pump Bosch or OEM Volkswagen

OEM Volkswagen Fuel pump
KBATTPO
  • Noise:
Rating 5.0

Since the original pump was strong and quiet I decided to reuse it as well and keep the new pump as a spare. I decided to let the perfectly working OE pump run its course.

Pros: strong and quiet, perfectly working
Vehicle: Volkswagen
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Bosch Fuel pump
smalls.
  • Starting:
Rating 5.0

I reset the timing to 1.0mm left every else as is, and accually got the cold start lever hooked up properly with a spair part from another pump i had laying around

Pros: cold start lever hooked
Vehicle: Volkswagen Caddy
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OEM Volkswagen Fuel pump
g60racer
  • Stalling:
Rating 3.0

One thing I've noticed with worn fuel pumps is they will still physically operate, but they won't put out the 70psi they're supposed to put out, or their flowrate decreases. In the case of my R32's pump, the flowrate and pressure were significantly decreased, and the load on the circuit was increased. Lots of resistance, overloaded the relay.

Pros: physically operate
Cons: flowrate significantly decreased
Vehicle: Volkswagen
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OEM Volkswagen Fuel pump

No it will NOT work with the current pump....the R32 pump will burn out as the fuel pump controller pulses the pump which burns out the brushes.

Pros: null
Cons: pump will burn out
Vehicle: Volkswagen
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Bosch Fuel pump

After wiring the fuel pump relay terminals together to bypass the relay entirely, after 40 miles of heading back towards Arkansas it died on me again with the exact same behavior as before.

Pros: bypassed the relay
Cons: died again
Vehicle: Volkswagen
Mileage: 64 km
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