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Air and Fuel› Fuel Pumps, Regulators and Components
DeatschWerks
DeatschWerks DW400 Performance Pump Module for 15-24 Mustang
SKU: D003 9-403-7231
Moderate — 2–4 hours
Overview
This fuel pump module is engineered as a direct replacement for the factory unit, simplifying installation. It is built to handle the demands of modified engines and offers a significant upgrade over stock fuel pumps.
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Part #: 9-403-7231
DW400 Performance Pump Module for 2015-24 Mustang
Vehicle Symptoms
- Fuel starvation under heavy acceleration
- Loss of power at high RPM
- Hesitation or stumbling during hard throttle
- Engine cuts out during sustained high-speed driving
- Lean air-fuel mixture under boost or load
Diagnostic Codes
- P0190 – Fuel Rail Press Snsr A Ckt
- P0191 – Fuel Rail Press Snsr A Ckt Range/Perf
- P0192 – Fuel Rail Press Snsr A Ckt Low In
- P0193 – Fuel Rail Press Snsr A Ckt High In
- P0230 – Fuel Pump Primary Ckt
- P0231 – Fuel Pump Secondary Ckt Low
- P0232 – Fuel Pump Secondary Ckt High
Relevant Conversations
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- P0191 code on 2018 Mustang – what to do?
- How to install DW400 fuel pump module 2015-2024 Mustang
- Mustang losing power under boost – fuel pump issue?
- Best fuel pump for 2019 Mustang GT with Whipple
- S550 Mustang fuel system upgrade for E85
- DeatschWerks DW400 install tips and tricks
- P0230 code after fuel pump replacement – causes
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | DeatschWerks |
| Part Number | D003 9-403-7231 |
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