📖 What Does P1504 Mean?
Symptoms
- • Rough idle
- • poor engine performance
- • decreased fuel efficiency
- • engine stalling
Common Causes
- • Faulty fuel pressure regulator
- • clogged fuel filter
- • low fuel pressure
- • faulty fuel pump
Possible Solutions
Check fuel pressure, replace fuel filter, replace fuel pressure regulator, replace fuel pump
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❓ Common Questions About P1504
Can I drive with code P1504?
You can drive for a short time, but should address code P1504 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P1504?
The estimated repair cost for code P1504 is between $100 and $500. This includes parts and labor for most makes and models.
Is this code easy to fix myself?
This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.
Required Parts
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View Best Sellers ↗Related Diagnostic Codes
Other codes that may appear with P1504
P1502: Fuel Pump Control Circuit Malfunction
P1503: Fuel Pump Control Circuit Malfunction
P1505: Fuel Pressure Regulator Control Circuit Malfunction
P1506: Fuel Pressure Regulator Control Circuit Low Input
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system