📖 What Does P1122 Mean?
Symptoms
- • Rough engine idle
- • decreased fuel efficiency
- • poor engine performance
Common Causes
- • Faulty fuel pressure regulator
- • wiring issue
- • engine control module problem
Possible Solutions
Check the fuel pressure regulator for proper operation and replace if necessary. Check the wiring harness for damage or corrosion and repair if necessary. Update the engine control module software if necessary.
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❓ Common Questions About P1122
Can I drive with code P1122?
You can drive for a short time, but should address code P1122 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P1122?
The estimated repair cost for code P1122 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 P1122
P1120: Fuel Pressure Regulator Control Circuit Low Input
P1121: Fuel Pressure Regulator Control Circuit Low Input
P1123: Fuel Pressure Regulator Control Circuit Low Input
P1124: 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