How much does it cost to fix Impreza Low-Pressure Fuel Pump Failure?
Owners typically pay $0–$900 at an independent Subaru shop, parts and labor included. Compare full itemized quotes in the Subaru repair-cost database.
MajorAffects 2017-2020
Impreza Low-Pressure Fuel Pump Failure
Pump impeller cracks, causing no-start or stalling.
Reviewed by SubaruReview Editorial Team · Last reviewed 2026-05-15 · Editorial standards
Repair cost
$0–$900
DIY difficulty
3 / 5
Severity
Major
Costly to ignore — plan a fix within weeks
Affected
2017-2020
In-tank fuel pump, Fuel pump assembly
This is one of several documented Impreza problems we track, and it fits inside the broader Reliability & Common Problems guide. If you're weighing repair against replacement, cross-check the Subaru repair-cost database and any open NHTSA recalls on your VIN before booking a shop.
What goes wrong
Pump impeller cracks, causing no-start or stalling.
Symptoms to watch for
- Long cranking
- Stalls at idle
- P0087 fuel pressure low
Root cause
Defective Denso pump impeller (NHTSA recall 20V-687).
Buy time with these
- • Check VIN for open recall (free at dealer)
Permanent fix
- Pump assembly replacement under recall 20V-687.
FAQ
What causes impreza low-pressure fuel pump failure?
Defective Denso pump impeller (NHTSA recall 20V-687).
How much does it cost to fix?
National average $0–$900.
Is this a DIY repair?
Difficulty 3/5. Pump assembly replacement under recall 20V-687.
What are the symptoms?
Long cranking; Stalls at idle; P0087 fuel pressure low
Sources
- • NHTSA
- • Subaru Owner Forums
Related recalls
People also ask
Related Subaru Questions
Is there a Subaru recall connected to this issue?
Cross-check NHTSA campaign 22V-115, which covers Fuel Pump Impeller Failure on 2019-2020 Outback/Ascent/Impreza/Crosstrek/Forester/Legacy. Recall work is free at any Subaru dealer — always run your VIN before paying for the fix.
Can I fix this as a DIY repair?
We rate it 3/5 on our DIY scale. Confident wrenchers can tackle it in a weekend using the permanent-fix steps above. Cross-reference the reliability & common problems hub for related jobs worth bundling while you're in there.
Where does this fit in the bigger picture of Subaru reliability?
It's part of our Engine Guides cluster, which collects every article covering the same system as this failure.
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