Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLVO1993850 L5-2.4L VIN 55 B5254SREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONDIAGNOSTIC TROUBLE CODE DESCRIPTIONSMANUFACTURER CODE CHARTSENGINE CONTROL SYSTEMDETAILED DTC DESCRIPTIONSFUEL INJECTION SYSTEMDTC 1-1-2 MFI CONTROL MODULE
1993 Volvo 850 L5-2.4L VIN 55 B5254S
DTC 1-1-2 MFI Control Module
1993 Volvo 850 L5-2.4L VIN 55 B5254SSECTION DTC 1-1-2 MFI Control Module
1-1-2 MULTIPORT FUEL INJECTION (MFI) CONTROL MODULE FAULT
Condition(s) for DTC
When the engine is started, the MFI module program is checked by verifying the internal checksum. A DTC is recorded it the module detects a fault.
Substitute value
None.
Fault source(s)
MFI module fault.
Fault symptom(s)
None.
Condition(s) for DTC
When the engine is started, the MFI module program is checked by verifying the internal checksum. A DTC is recorded it the module detects a fault.
Substitute value
None.
Fault source(s)
MFI module fault.
Fault symptom(s)
None.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.